disk operating system (dos) job interview questions and ...€¦ · you just need to visit disk...
TRANSCRIPT
Disk Operating System (DOS) JobInterview Questions And Answers
Interview Questions Answers
http://interviewquestionsanswers.org/
About Interview Questions Answers
Interview Questions Answers . ORG is an interview preparation guide of thousands of JobInterview Questions And Answers, Job Interviews are always stressful even for job seekers who havegone on countless interviews. The best way to reduce the stress is to be prepared for your jobinterview. Take the time to review the standard interview questions you will most likely be asked.These interview questions and answers on Disk Operating System (DOS) will help you strengthenyour technical skills, prepare for the interviews and quickly revise the concepts.
If you find any question or answer is incorrect or incomplete then you can submit your question oranswer directly with out any registration or login at our website. You just need to visit DiskOperating System (DOS) Interview Questions And Answers to add your answer click on the SubmitYour Answer links on the website; with each question to post your answer, if you want to ask anyquestion then you will have a link Submit Your Question; that's will add your question in DiskOperating System (DOS) category. To ensure quality, each submission is checked by our team, beforeit becomes live. This Disk Operating System (DOS) Interview preparation PDF was generated at Thursday 9th February, 2017
You can follow us on FaceBook for latest Jobs, Updates and other interviews material.www.facebook.com/InterviewQuestionsAnswers.Org
Follow us on Twitter for latest Jobs and interview preparation guides.http://twitter.com/InterviewQA
If you need any further assistance or have queries regarding this document or its material or any ofother inquiry, please do not hesitate to contact us.http://interviewquestionsanswers.org/Contact-Us
Best Of Luck.
Interview Questions Answers.ORG Teamhttp://InterviewQuestionsAnswers.ORG/[email protected]
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Disk Operating System (DOS) Interview Questions AndAnswers Guide.
Question - 1:The maximum length in dos command is?
Ans:127 charsView All Answers
Question - 2:While working with MS-DOS, which command is used to more file from one directory to another?a. Renameb. Copyc. Moved. Cp
Ans:c. MoveView All Answers
Question - 3:Which command is used to set a name to a disk in DOS?a. VOLUMEb. VOLc. LABELd. DISKLABEL
Ans:c. LABELView All Answers
Question - 4:Which of the following command display the name of files in sorted order?a. Dir/o:nb. Dir/soc. Dir/and. Dir/ah
Ans:a. Dir/o:nView All Answers
Question - 5:MSD.exe does not have information on:a. Cacheb. Videoc. Operating Systemd. Com or port
Ans:a. CacheView All Answers
Copyright © http://InterviewQuestionsAnswers.org Page 3/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Question - 6:Which command displays the list of all previous commands entered by the used?a. COMMANDS/ALLb. KEYDOSc. DOSKEYd. DIR/ALL
Ans:c. DOSKEYView All Answers
Question - 7:Where do you find user.dat?a. C:windowsb. C:windowssystem32c. C:windowssystemd. C:
Ans:a. C:windowsView All Answers
Question - 8:What is the name of the latest server operating system developed by Microsoft?a. Windows NTb. Windows 2000c. Windows XPd. Windows 2003
Ans:d. Windows 2003View All Answers
Question - 9:Which of the following operating does not implement multitasking truly?a. Windows 98b. Windows NTc. Windows XPd. MS DOS
Ans:d. MS DOSView All Answers
Question - 10:Swapping:a. Works best with many small partitionsb. Allows many programs to use memory simultaneouslyc. Allows each program in turn to use the memoryd. Does not work with overlaying
Ans:c. Allows each program in turn to use the memoryView All Answers
Question - 11:The operating system creates ..... from the physical computer.a. Virtual spaceb. Virtual computersc. Virtual deviced. None
Ans:b. Virtual computersView All Answers
Question - 12:..... share characteristics with both hardware and software.a. Operating systemb. Softwarec. Datad. None
Ans:
Copyright © http://InterviewQuestionsAnswers.org Page 4/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
a. Operating systemView All Answers
Question - 13:..... interface consists of things like program counter, registers, interrupts and terminalsa. Hardwareb. Softwarec. Datad. None
Ans:a. HardwareView All Answers
Question - 14:.....is the first program run on a computer when the computer boots up.a. System softwareb. Operating systemc. System operationsd. None
Ans:b. Operating systemView All Answers
Question - 15:Multiprogramming system:a. Are easier to develop than single programming systemb. Execute each job fasterc. Execute more jobs in the same time periodd. Are used only one large mainframe computers
Ans:c. Execute more jobs in the same time periodView All Answers
Question - 16:..... transforms one interface into another interface.a. Programb. Softwarec. Datad. None
Ans:b. SoftwareView All Answers
Question - 17:The primary purpose of an operating system is ..... .a. To make the most efficient use of the computer hardwareb. To allow people to use the computerc. To keep systems programmers employedd. To make computers easier to use
Ans:a. To make the most efficient use of the computer hardwareView All Answers
Question - 18:..... is the layer of a computer system between the hardware and the user program.a. Operating environmentb. Operating systemc. System environmentd. None
Ans:b. Operating systemView All Answers
Question - 19:..... runs on computer hardware and serve as platform for other software to run on:a. Operating systemb. Application software
Copyright © http://InterviewQuestionsAnswers.org Page 5/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
c. System softwared. All
Ans:a. Operating systemView All Answers
Question - 20:Which type of command in DOS needs additional files for their execution?a. Internal commandsb. External commandsc. Batch commandsd. Redirectors
Ans:b. External commandsView All Answers
Question - 21:While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt?a. Copy a: *.txtb. Copy *.txt a:c. Copy *.txt c:d. Copy *.txt all.txt
Ans:d. Copy *.txt all.txtView All Answers
Question - 22:While working with MS-DOS, which command is used to rename a file named file1.doc to file2.doc from a different directory called dir1?a. Ren2.doc dirfile1.docb. Ren file1.doc file2.docc. Ren .docdir.docd. Ren dir1file1.doc file2.doc
Ans:d. Ren dir1file1.doc file2.docView All Answers
Question - 23:While working with which command is used to copy all files from the currently logged drive and directory with the extension .txt to the drive a:a. Copy a. *.txtb. Copy *.txt a:c. Copy *.txt c:d. Copy *.txt all.txt
Ans:b. Copy *.txt a:View All Answers
Question - 24:While working with MS-DOS which command is used to combine file1 plus file2 into new file named file3?a. Copy file3 file1+file2b. Copy file1+file2 file3c. Copy file1+file2+file3d. Copy file2 file1+file3
Ans:b. Copy file1+file2 file3View All Answers
Question - 25:While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?a. Ren *.doc *.txtb. Ren *.txt *.docc. Ren file.doc file.txtd. Ren a: *.doc *.txt
Ans:b. Ren *.txt *.docView All Answers
Question - 26:
Copyright © http://InterviewQuestionsAnswers.org Page 6/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Which of the following file names are invalid in MSDOS?a. MYFILE.DOSb. CHECK$.(1)c. Verified.###d. Qwerty.1?3
Ans:d. Qwerty.1?3View All Answers
Question - 27:Which is valid extension that user creates on operating system?a. Exeb. Comc. Sysd. Bat
Ans:d. BatView All Answers
Question - 28:Which command is used to undelete delete a bunch of files with extension doc that you have just deleted?a. Undeleteb. Undelete *.docc. Undelete/alld. All of the above
Ans:b. Undelete *.docView All Answers
Question - 29:Which was the last version of MSDOS that was released separately?a. 5.0b. 6.0c. 6.11d. 6.22
Ans:d. 6.22View All Answers
Question - 30:Which of the following statements in regard to directories is false?a. Directories can exist inside directoriesb. The root directory is always at the highest levelc. Directories with files can be deletedd. Directories cannot be renamed
Ans:d. Directories cannot be renamedView All Answers
Question - 31:Which switch should be used in the DIR command to view files in all directories?a. /pb. /wc. /sd. /l
Ans:c. /sView All Answers
Question - 32:Which of the following statements is true in regard to diskcopy?a. Copy and discopy are sameb. Discopy is a built in command in dosc. Diskcopy can be used on hard disksd. Diskcopy can be used with a floppy and a hard disk
Ans:c. Diskcopy can be used on hard disks
Copyright © http://InterviewQuestionsAnswers.org Page 7/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
View All Answers
Question - 33:Which file in MSDOS contain internal command that are loaded during booting process?a. Io.sysb. Msdos.sysc. Command.comd. Config.sys
Ans:c. Command.comView All Answers
Question - 34:Which command is used to delete all the files extension .txt on the current drive and directory?a. Del .txtb. Erase .txtc. Del *.txtd. Del *.*/p
Ans:c. Del *.txtView All Answers
Question - 35:Which command in DOS can be used to recover accidentally deleted files?a. UNDELETEb. DELETE/CANCELc. RESTOREd. RECOVER
Ans:a. UNDELETEView All Answers
Question - 36:Which is the valid filename assign in MS-DOS?a. Ram*.txtb. Ram?.docc. Ram_$.txtd. None of above
Ans:c. Ram_$.txtView All Answers
Question - 37:Which command is used to see the version?a. Versionb. Verc. Versond. None of above
Ans:b. VerView All Answers
Question - 38:Which command is used to delete all the files in the root directory of drive a:a. A:delb. Del *.* a:c. Del a:d. Erase *.*
Ans:c. Del a:View All Answers
Question - 39:Which command is used to display a list of deleted files that DOS can undelete?a. Undelete *.*b. Undelete/allc. Undelete/list
Copyright © http://InterviewQuestionsAnswers.org Page 8/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
d. None of the above
Ans:c. Undelete/listView All Answers
Question - 40:Which command is used to create root directory and FAT on disk?a. Chkdskb. Command.comc. Formatd. Fat
Ans:c. FormatView All Answers
Question - 41:Which command is used to see the contents of a file?a. Typeb. Copyc. Edd. None of above
Ans:a. TypeView All Answers
Question - 42:Which command is used to see the sub-directory structure of drive?a. Treeb. Listc. Subdird. Subtree
Ans:a. TreeView All Answers
Question - 43:Which command is used to copy all files from drive a with extension .txt to the currently logged drive and directory?a. Copy a. *.txtb. Copy *.txt a:c. Copy *.txt c:d. Copy *.txt all.txt
Ans:a. Copy a. *.txtView All Answers
Question - 44:Which command in DOS is used to display the version of MSDOS?a. VERSIONb. VERIFYc. VERd. VERSN
Ans:c. VERView All Answers
Question - 45:Which among the following are the best tools for fixing errors on disks?a. Fdiskb. Scandiskc. Chkdskd. Fixdsk
Ans:b. ScandiskView All Answers
Question - 46:
Copyright © http://InterviewQuestionsAnswers.org Page 9/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Which command can be used to create the disk's tracks and sectors?a. Fdiskb. Formatc. Chkdskd. Attrib
Ans:b. FormatView All Answers
Question - 47:What is the switch that is used to make sure that the copy command copied files correctly?a. /ab. /cc. /sd. /v
Ans:d. /vView All Answers
Question - 48:What will be the output of the command prompt $l$p$g?a. <c:>b. C:>c. C:>>d. C:<>
Ans:a. <c:>View All Answers
Question - 49:Which command is used to see the disk volume label?a. Verb. Volc. Versiond. Volume
Ans:b. VolView All Answers
Question - 50:What is the name of the batch file that is automatically run when MSDOS is booted?a. Run.batb. Config.sysc. Config.batd. Autoexec.bat
Ans:d. Autoexec.batView All Answers
Question - 51:You can copy command.com to your disk from hard disk.a. trueb. false
Ans:a. trueView All Answers
Question - 52:In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with.a. Small letterb. Capital letterc. Both a and bd. None of above
Ans:b. Capital letterView All Answers
Copyright © http://InterviewQuestionsAnswers.org Page 10/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Question - 53:The maximum length in DOS commands is:a. 80 charsb. 127 charsc. 100 charsd. 8 chars
Ans:b. 127 charsView All Answers
Question - 54:The vol command is used to:a. see the value of listb. see the veriety of languagec. see the disk volume labeld. see the volume of largest
Ans:c. see the disk volume labelView All Answers
Question - 55:Which command is used to provide access to files located in other directories or disks?a. Treeb. Pathc. Dird. Cd
Ans:b. PathView All Answers
Question - 56:Which command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each screen full of the information?a. Treeb. Deltree/fc. Dir | mored. Tree | more
Ans:d. Tree | moreView All Answers
Question - 57:The time command is used to display _____ time.a. US timeb. Greenwich Mean Timec. Julian Timed. System Time
Ans:d. System TimeView All Answers
Question - 58:Which statement is valid about "TIME" command?a. Time command is used to display and allow changes to the system timeb. Time format can be changed by changing in country setting in config.sys filec. MS DOS displays the time in 12-hour or 24-hour formatd. All of above
Ans:d. All of aboveView All Answers
Question - 59:Which statement is correct?a. Directories can be kept inside a fileb. Files can not be kept inside a directoryc. 1 millisec = 10 ^ 3 secd. None of above
Ans:
Copyright © http://InterviewQuestionsAnswers.org Page 11/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
c. 1 millisec = 10 ^ 3 secView All Answers
Question - 60:Generally, the DATE is entered in the form:a. DD-YY-MMb. YY-DD-MMc. MM-YY-DDd. MM-DD-YY
Ans:d. MM-DD-YYView All Answers
Question - 61:Which command is used to clear the screen:a. Clsb. Clearc. Clscreend. All of above
Ans:a. ClsView All Answers
Question - 62:xcopy command can copy:a. individual files or group of filesb. directories including subdirectoriesc. to diskette of a different capacityd. all of above
Ans:d. all of aboveView All Answers
Question - 63:RESTORE command is used to:a. Restore files from disks made using the BACKUP commandb. Restore files which are deletedc. Restore files from recycle bind. Restore files which are deleted recently
Ans:a. Restore files from disks made using the BACKUP commandView All Answers
Question - 64:While working with MS-DOS, which command is used to copying the files to transfer from one PC to another one?a. Renameb. Pathc. Dird. Copy
Ans:d. CopyView All Answers
Question - 65:Which command is used to change the file name?a. Renb. Renamec. Both of aboved. None of above
Ans:c. Both of aboveView All Answers
Question - 66:The following command set is correct according to their function:a. RD can MDb. DEL and ERASE
Copyright © http://InterviewQuestionsAnswers.org Page 12/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
c. CD and RDd. COPY and RENAME
Ans:b. DEL and ERASEView All Answers
Question - 67:Format command is used to:a. Prepare a blank diskb. Create a new blank disk from a used onec. Both of aboved. None of above
Ans:c. Both of aboveView All Answers
Question - 68:Operating System is like a:a. Parliamentb. Secretaryc. Governmentd. None of the above
Ans:c. GovernmentView All Answers
Question - 69:Full form of MS-DOS is:a. Micro System Disk Operating Systemb. Micro Simple Disk Operating Systemc. Micro Soft Disk Operating Systemd. Micro Sort Disk Operating System
Ans:c. Micro Soft Disk Operating SystemView All Answers
Question - 70:Which command is used to make a new directory?a. Mdb. Cdc. Rdd. None of above
Ans:a. MdView All Answers
Question - 71:FAT stands for:a. File Accomodation Tableb. File Access Tapec. File Allocation Tabled. File Activity Table
Ans:c. File Allocation TableView All Answers
Question - 72:While working with MS-DOS which key is used to get the p[revious command used:a. F3b. F1c. F6d. F9
Ans:a. F3View All Answers
Question - 73:
Copyright © http://InterviewQuestionsAnswers.org Page 13/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:a. DO NOT DELETEb. NO DELETEc. UNDELETEd. ONDELETE
Ans:c. UNDELETEView All Answers
Question - 74:To copy the file command.com from drive c: to drive a:a. Drive c: copy drive a:command.comb. C:A: copy command.comc. Copy c:command.com a:d. Both b and c
Ans:c. Copy c:command.com a:View All Answers
Question - 75:CHKDSK can be used to find:a. Disk's bad portionb. Occupied spacec. Free spaced. All of above
Ans:d. All of aboveView All Answers
Question - 76:DIR command is used to:a. Display a list of files in a directoryb. Display contents of files in directoryc. Display type of files in a sub directoryd. All of above
Ans:a. Display a list of files in a directoryView All Answers
Question - 77:CHKDSK command is used to:a. Analyze the hard disk errorb. Diagnose the hard disk errorc. Report the status of files on diskd. All of the above
Ans:d. All of the aboveView All Answers
Question - 78:In which version of DOS. CHKDSK command has been changed to SCANDISK?a. 5.0b. 6.2c. 6.0d. 6.2
Ans:d. 6.2View All Answers
Question - 79:Which command be used to ask you to confirm that you want to delete the directory?a. Deltreeb. Deltree/fc. Del *.*/pd. Erase *.*
Ans:c. Del *.*/p
Copyright © http://InterviewQuestionsAnswers.org Page 14/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
View All Answers
Question - 80:DEL command is used to:a. Delete filesb. Delete directoryc. Delete labelsd. Delete contents of file
Ans:a. Delete filesView All Answers
Question - 81:Which command is used to get the current date only?a. Dateb. Timec. Secondd. All of the above
Ans:a. DateView All Answers
Question - 82:Disk copy command in DOS is used to:a. Copy a fileb. Copy contents of one floppy disk to anotherc. Copy contents of CD-ROM to anotherd. All of the above
Ans:b. Copy contents of one floppy disk to anotherView All Answers
Question - 83:Which keys can be pressed quit without saving in DOS:a. Ctrl + Ab. Ctrl + Bc. Ctrl + Cd. Ctrl + D
Ans:c. Ctrl + CView All Answers
Question - 84:External command in DOS are:a. Copy, edit, sys, formatb. Edit, sys, chkdskc. Chkdsk, prompt, dated. Sys, ver, vol
Ans:b. Edit, sys, chkdskView All Answers
Question - 85:The command used to copy a file named temp.doc from drive C: to drive A: is:a. Copy temp.doc to a:b. Copy c:temp.doc a:c. Copy c: a:d. Copy temp a: c:
Ans:b. Copy c:temp.doc a:View All Answers
Question - 86:SYS command is used to:a. Copy DOS system files to new diskb. Copy DOS configuration files to a new diskc. Update the DOS system files
Copyright © http://InterviewQuestionsAnswers.org Page 15/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
d. None of above
Ans:a. Copy DOS system files to new diskView All Answers
Question - 87:Which command is used to backup in DOS 6+ Version?a. BACKUPb. MSBACKUPc. MSBACKEDUPd. All of the above
Ans:b. MSBACKUPView All Answers
Question - 88:To copy the hidden system files of DOS to another disk you can use the command:a. Copyb. Renc. Sysd. Diskcopy
Ans:c. SysView All Answers
Question - 89:Which command is used to copy files?a. Copyb. Diskcopyc. Typed. All of the above
Ans:a. CopyView All Answers
Question - 90:Internal command in Dos are:a. Cls, rd labelb. Dir, ren, sysc. Time, type, dird. Del, disk copy, label
Ans:c. Time, type, dirView All Answers
Question - 91:Copy and Xcopy are same in the sense:a. Both are internal command of DOSb. Both are external commands of DOSc. Both can be used to copy file or group of filesd. Both a and b
Ans:c. Both can be used to copy file or group of filesView All Answers
Question - 92:Which command be used to clear the screen and display the operating system prompt on the first line of the display?a. Cdb. Mdc. Renamed. cls
Ans:d. clsView All Answers
Question - 93:
Copyright © http://InterviewQuestionsAnswers.org Page 16/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Which file is the batch file that is read while booting a computer?a. Autoexec.batb. Auto-batchc. Autoexecutive.batd. Auto.bat
Ans:a. Autoexec.batView All Answers
Question - 94:Maximum length of DOS command using any optional parameter is:a. 26 charactersb. 87 charactersc. 127 charactersd. None of above
Ans:c. 127 charactersView All Answers
Question - 95:MS-DOS developed in:a. 1991b. 1984c. 1971d. 1961
Ans:b. 1984View All Answers
Question - 96:In which year the first operating system was developed?a. 1910b. 1940c. 1950d. 1980
Ans:c. 1950View All Answers
Question - 97:An entire path name, consisting of several sub-directory names can contain upto:a. 13 characterb. 36 characterc. 63 characterd. 53 character
Ans:c. 63 characterView All Answers
Question - 98:Which command displays current directory name or change from one to another?a. Chdirb. Cdc. Mkdird. Both a and b
Ans:d. Both a and bExplanation:CD and CHDIR commands are equivalent and both used to change current working directory to another one. MKDIR creates a new directory and can't be used tochange.View All Answers
Question - 99:Which command displays the directory list including files in tree structure?a. Dir/s/fb. Tree/fc. Tree/s/fd. Dir/f
Copyright © http://InterviewQuestionsAnswers.org Page 17/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Ans:b. Tree/fExplanation: Tree command lists the directory structure in tree structure and /f switch of tree command includes the filenames in the structure.View All Answers
Question - 100:Which command creates a directory or subdirectory?a. Dirb. Mkdirc. Mdd. Both b and c
Ans:d. Both b and cExplanation:MK command and MKDIR both commands are equivalent and can be used to create subdirectories. Dir only lists directory but can't create.View All Answers
Question - 101:Which command is used to delete the directory that is empty?a. Del *.*b. RDc. Erased. MD
Ans:b. RDExplanation:RD command or RMDIR commands can be used to remove a directory if it is empty. Del command and Erase commands are used to delete files not directories. MDcreates a new directory and can't remove directory.View All Answers
Question - 102:Which command is used to display all the files having the (.exe) extension but different filename?a. Dir filename.*b. Dir filename.extc. Dir *.sysd. Dir *.ext
Ans:d. Dir *.extExplanation:First two options are obviously wrong since specifying filename will list for that filename only. Since we need to list only with .ext extension fourth option is correct.Third option displays all files with sys extension.View All Answers
Question - 103:Which command displays comma for thousand separating on file size while listing?a. Dir/wb. Dir/sc. Dir/bd. Dir/c
Ans:d. Dir/cExplanation: Using comma for separating thousand in file size is by default on. You can use dir/-c to remove comma from the listing. /C stands for comma.View All Answers
Question - 104:Which command displays only file and directory names without size, date and time information?a. Dir/wb. Dir a:c. Dir /bd. Dir /s
Ans:c. Dir /bExplanation: dir/b command barely lists the names of files and directories without any other information like size, date, time etc.View All Answers
Question - 105:
Copyright © http://InterviewQuestionsAnswers.org Page 18/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Which command will be used to display a file within the specified directory of pathname?a. Dir pathnameb. Dir pathnamepathnamec. Dir/chd. Dir pathnamefilename
Ans:d. Dir pathnamefilenameView All Answers
Question - 106:Which command should be used to display all files within the specified subordinate directory of the subdirectory?a. Dir pathnameb. Dir pathnamepathnamec. Dir / chd. Dir pathnamefilename
Ans:b. Dir pathnamepathnameView All Answers
Question - 107:Which command displays all the files having the same name but different extensions?a. Dir filename.*b. Dir filename.extc. Dir *.sysd. Dir *.ext
Ans:a. Dir filename.*View All Answers
Question - 108:Only filenames and extensions are to be displayed in wide format, which command you'll use?a. Dir/wb. Dir a:c. Dir/sd. Dir/b
Ans:a. Dir/wExplanation: Dir/w only displays the file names and extensions excluding file created date/time, file size. Second option dir a: will list the contents of A drive (floppy drive), thirddir/s lists current directory and its subdirectories too, dir/b displays bare format, that means, it just makes a list of files, no more information.View All Answers
Question - 109:If you don't know the current time, which command will you use to display.a. Copyb. Verc. Timed. Format
Ans:c. TimeExplanation:Time command displays and allows you to change system time. TIME only displays the system time and TIME <time> is used to set new time as system time.View All Answers
Question - 110:Which command lists the contents of current directory of a disk?a. Copyb. Treec. Cdd. Dir
Ans:d. DirExplanation:Dir command lists the directory of current location. It includes the files, subdirectories and some other system information. Tree command is used to list the directorystructure in tree diagram; CD command to change directory and Copy command to copy a file into another.View All Answers
Question - 111:In Ms-Dos what command you will use to display system date?
Copyright © http://InterviewQuestionsAnswers.org Page 19/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
a. Date commandb. Ver commandc. Disk commandd. Format command
Ans:a. Date commandExplanation: Ver command displays the version number of Dos. There is no command as Disk. Format command prepares a disk to be used with DOS. Thus Date is the commandthat lets you to display and/or change the system date.View All Answers
Question - 112:In MS-Dos 6.22, which part identifies the product uniquely.a. MSb. DOSc. Ms-DOSd. 6.22
Ans:d. 6.22Explanation: MS stands for Microsoft, DOS is the name of operating system Disk Operating System, 6.22 is the version number that identifies the product.View All Answers
Question - 113:Which of the following extensions suggest that the file is a backup copy?a. Bakb. Basc. Comd. Txt
Ans:a. BakExplanation:Bak extension is commonly used to store backup copies of files so that it can be restored later when original file is corrupted or deleted. Bas extension indicates thefile is a BASIC program source file, com is command file and txt is plain text file.View All Answers
Question - 114:Each time you turn on your computer, it will check on the control file:a. Command.com, io.sysb. Command.com, date.com, dir.comc. Command.com, io.sys, msdos.sysd. Chkdsk.exe
Ans:c. command.com, io.sys, msdos.sysExplanation: command.com, io.sys and msdos.sys are the essential system files of MS-Dos. Loading these files from disk into memory is known as booting. Booting is the processof preparing your computer to work.View All Answers
Question - 115:If you need to duplicate the entire disk, which command will you use?a. Copyb. Diskcopyc. Chkdskd. Format
Ans:b. DiskcopyExplanation: Diskcopy is used to perform track-by-track copy of a disk into another. Copy command copies selected files; chkdsk and format commands are not for copyingpurpose.View All Answers
Question - 116:To make file in MS Dos we need command:a. Copyb. Copy conc. MDd. Make File
Ans:b. Copy con
Copyright © http://InterviewQuestionsAnswers.org Page 20/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
View All Answers
Question - 117:Which command divides the surface of the blank disk into sectors and assign a unique address to each one.a. Verb. Formatc. Fatd. Chkdsk
Ans:b. FormatExplanation: Ver is used to display the version number of DOS in use. Fat command does not exist and Chkdsk is to check disk errors and fix it. Thus dividing surface into sectorsis done by Format command.View All Answers
Question - 118:.... are list of commands that appear on the screen.a. GUISb. Iconsc. Menusd. Windows
Ans:c. MenusView All Answers
Question - 119:While working with Ms-Dos which command transfers a specific file from one disk to another?a. Copyb. Diskcopyc. Timed. Rename
Ans:a. CopyExplanation:For a specific file to copy from one disk to another disk, Copy command should be used. Diskcopy copies whole disk into new disk. Time command is to displaysystem time and Rename command just changes the name of a file.View All Answers
Question - 120:Which windows features can be accessed from the start menu?a. Helpb. Windows Explorerc. Microsoft Networkd. All of above
Ans:d. All of aboveView All Answers
Question - 121:Press the .... button to have the window fill the entire screen.a. Closeb. Maximizec. Minimized. none of the above
Ans:c. MinimizeView All Answers
Question - 122:Which command is used to copy system files?a. Sysb. Commandc. MDd. Move
Ans:a. SysView All Answers
Copyright © http://InterviewQuestionsAnswers.org Page 21/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Question - 123:The box on ..... that allows you to choose where to go and is located below the standard toolbar.a. System menub. Address barc. Menu bard. None of these
Ans:b. Address barView All Answers
Question - 124:A .... is a set of computer instructions that carry out a task on the computer.a. Programb. Databasec. Memory filesd. None of the above
Ans:a. ProgramView All Answers
Question - 125:Which button might you find in a windows title bar?a. Close buttonb. Maximize buttonc. Minimize buttond. All of the above
Ans:d. All of the aboveView All Answers
Question - 126:We need system files to run:a. MS Wordb. MS Excelc. MS Dosd. MS Access
Ans:c. MS DosView All Answers
Question - 127:Which Operating System doesn't support long file names?a. OS/2b. Windows 95c. MS-DOSd. Windows NT
Ans:c. MS-DOSView All Answers
Question - 128:The ability of an operating system to control the activities of multiple program at the same time is called:a. Multitaskingb. Multiprocessingc. Multioperatingd. Multipaging
Ans:a. MultitaskingView All Answers
Question - 129:What is the function of folder?a. Save filesb. Delete filesc. Move filesd. All of the above
Ans:
Copyright © http://InterviewQuestionsAnswers.org Page 22/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
d. All of the aboveView All Answers
Question - 130:Which command is used to open the directory?a. Openb. Chdirc. Moved. All of above
Ans:b. ChdirView All Answers
Question - 131:Essential files of MS DOS are:a. Command.comb. Io.sysc. Msdos.sysd. All of above
Ans:d. All of aboveView All Answers
Question - 132:Unix Operating System is an:a. Multi User Operating Systemb. Time Sharing Operating Systemc. Multi Tasking Operating Systemd. All the Above
Ans:d. All the AboveView All Answers
Question - 133:______ is used in operating system to separate mechanism from policy.a. Single level implementationb. Two level implementationc. Multi level implementationd. None
Ans:b. Two level implementationView All Answers
Question - 134:.... is used in operating system to separate mechanism from policy.a. Single level implementationb. Two level implementationc. Multi level implementationd. None
Ans:b. Two level implementationView All Answers
Question - 135:The OS used to operate the mobile phone is a:a. Smart card OSb. Embedded OSc. Multi user OSd. None of above
Ans:b. Embedded OSView All Answers
Question - 136:UNIX operating system is a(n):a. Time sharing operating systemb. Multi-user operating system
Copyright © http://InterviewQuestionsAnswers.org Page 23/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
c. Multi-tasking operating systemd. All of the above
Ans:d. All of the aboveView All Answers
Question - 137:What is the full form of NTFS:a. New Technology File Systemb. New Technical File Systemc. New Technician File Systemd. None of the above
Ans:a. New Technology File SystemView All Answers
Question - 138:The file system "NTFS" stands for:a. New Type File Systemb. Never Terminated File Systemc. New Technology File Systemd. Non Terminated File System
Ans:c. New Technology File SystemView All Answers
Question - 139:Which of the following is default mode for Windows to start?a. Command Promptb. Safe Modec. Normal Moded. None of above
Ans:c. Normal ModeView All Answers
Question - 140:The necessary conditions needed before deadlock can occur?a. No Mutual Exclusion, Hold and wait, Preemption, Circular Waitb. Mutual Exclusion, No Hold and wait, Preemption, Circular Waitc. Mutual Exclusion, Hold and wait, No Preemption, Circular Waitd. Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
Ans:c. Mutual Exclusion, Hold and wait, No Preemption, Circular WaitView All Answers
Question - 141:The OS used to operate the mobile phone is a:a. Smart card OSb. Embedded OSc. Multiuser OSd. None of above
Ans:b. Embedded OSView All Answers
Question - 142:It is used to explorer the contents of computer, drives as well as manage files:a. ( Space) b. My Documentc. My Computerd. My Network Place
Ans:b. My DocumentView All Answers
Question - 143:
Copyright © http://InterviewQuestionsAnswers.org Page 24/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
____ is the operating systems File and folder Manager.a. Windows Explorerb. Windows Control Panelc. My Computerd. My Documents
Ans:a. Windows ExplorerView All Answers
Question - 144:By default we can save the file in:a. Desktopb. Recycle binc. My documentd. My computer
Ans:c. My documentView All Answers
Question - 145:Which of the following is default location of saving and opening file?a. Desktopb. My computerc. My documentsd. All of above
Ans:c. My documentsView All Answers
Question - 146:The following applications may appear on system tray except:a. System Clockb. Volume Controlc. Network Connectiond. MS Office Suite
Ans:d. MS Office SuiteView All Answers
Question - 147:Which of the following is text browser?a. Lynxb. Hot Javac. Netscaped. Internet Explorer
Ans:a. LynxView All Answers
Question - 148:Which one of the following is not the function of Operating System?a. Resource Managementb. File Managementc. Networkingd. Processor Management
Ans:c. NetworkingView All Answers
Question - 149:How do you connect internet in your system?a. My computer >> dialup networkingb. Control panel >> modemc. Network neighborhoodd. None of above
Ans:a. My computer >> dialup networking
Copyright © http://InterviewQuestionsAnswers.org Page 25/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
View All Answers
Question - 150:Which of the following is not a mode in starting Windows?a. Command Promptb. Safe Modec. Normal Moded. Turbo Mode
Ans:d. Turbo ModeView All Answers
Question - 151:In Microsoft windows, the graphical pattern on the desktop used as background for windows is:a. Iconsb. Wall paperc. Pictured. Background
Ans:b. Wall paperView All Answers
Question - 152:To delete a file without allowing it to store in recycle bin:a. Press Delete keyb. Press Shift + Delete keyc. Press Ctrl + Delete keyd. Press Alt + Delete key
Ans:b. Press Shift + Delete keyView All Answers
Question - 153:What is the method of handling deadlocks?a. Use a protocol to ensure that the system will never enter a deadlock state.b. Allow the system to enter the deadlock state and then recover.c. Pretend that deadlocks never occur in the system.d. All of the Above
Ans:d. All of the AboveView All Answers
Question - 154:Which file system Windows 95 typically use?a. FAT 16b. FAT 32c. NTFSd. LMFS
Ans:b. FAT 32View All Answers
Question - 155:Which file system DOS typically use?a. FAT 16b. FAT 32c. NTFSd. LMFS
Ans:a. FAT 16View All Answers
Question - 156:Which is not a valid file system?a. FAT 16b. FAT 32c. NTFS
Copyright © http://InterviewQuestionsAnswers.org Page 26/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
d. FXZ
Ans:d. FXZView All Answers
Question - 157:Generally quick launch toolbar is displayed on:a. the left side of taskbarb. the right side of taskbarc. on the middle of taskbard. a bar out of taskbar
Ans:a. the left side of taskbarView All Answers
Question - 158:You can select My Computer icon and press Alt + Enter to:a. Delete it from desktop permanentlyb. Open it in Explorer modec. Open System Properties dialog boxd. Pin it on Start menu
Ans:c. Open System Properties dialog boxView All Answers
Question - 159:The purpose of run command in start menu is to:a. Launch internet browserb. Open internet explorerc. Open windows explorerd. Start programs
Ans:d. Start programsView All Answers
Question - 160:Which is built directly on the hardware?a. Computer Environmentb. Application Softwarec. Operating Systemd. Database System
Ans:c. Operating SystemView All Answers
Question - 161:.... system is built directly on the hardware.a. Environmentb. Systemc. Operatingd. None
Ans:c. OperatingView All Answers
Question - 162:Which of the following is an example of utility?a. Antivirusb. Wordc. Operating systemd. Data recovery
Ans:a. AntivirusView All Answers
Question - 163:
Copyright © http://InterviewQuestionsAnswers.org Page 27/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
Which file is transferred when computer is start up?a. Documentb. Program filesc. Operating systemd. System files
Ans:d. System filesView All Answers
Question - 164:Start/restart the computer is called:a. Exitb. Runc. Optiond. Boot
Ans:d. BootView All Answers
Question - 165:The chunks of a memory are known as:a. Sectorb. Offsetc. Paged. Frame
Ans:d. FrameView All Answers
Question - 166:Which key deletes text before, or to the left, of the insertion point?a. PageUpb. Deletec. PageDownd. BackSpace
Ans:d. BackSpaceView All Answers
Question - 167:Operating system is like a:a. Governmentb. Policec. Parliamentd. All of above
Ans:a. GovernmentView All Answers
Question - 168:Underlined character on the menu or dialog box known as:a. Hot spotb. Hot keyc. Paned. Underline word
Ans:b. Hot keyView All Answers
Question - 169:Which of the following is not an operating system?a. CP/Mb. Unixc. Pascald. MS DOS
Ans:c. Pascal
Copyright © http://InterviewQuestionsAnswers.org Page 28/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
View All Answers
Question - 170:All of the following are task performed by the operating system except:a. Managing hardware on the computerb. Controlling the access that application program has to the CPUc. Performing housekeeping task like file compression and disk defragmentationd. Provides an interface for user to interact with computer
Ans:c. Performing housekeeping task like file compression and disk defragmentationView All Answers
Question - 171:Operating system is a .....a. System softwareb. Application softwarec. Presentation softwared. Database software
Ans:a. System softwareView All Answers
Question - 172:To display a shortcut menu for an object you use:a. Click the objectb. Right click the objectc. Point the object and press Ctrl+Pd. Touch the object on the screen with your finger
Ans:b. Right click the objectView All Answers
Question - 173:Which of the following separates primary file and extension is:a. Dotb. Periodc. Pointd. All of the above
Ans:d. All of the aboveView All Answers
Question - 174:Which is not external command?a. Doskeyb. Verifyc. Printd. Find
Ans:b. VerifyView All Answers
Question - 175:What you type at the DOS command prompt to return back to windows?a. Commandb. Exitc. Quitd. Return
Ans:b. ExitView All Answers
Question - 176:Which command is used to delete the directory and all of its contents in one step?a. Deltreeb. CDc. Rd
Copyright © http://InterviewQuestionsAnswers.org Page 29/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
d. Dir *.*
Ans:a. DeltreeView All Answers
Question - 177:Which of the following is not process states?a. Newb. Runningc. Readyd. Finished
Ans:d. FinishedView All Answers
Question - 178:User action such as keystroke or mouse click are referred to as:a. Interruptb. Tasksc. Processesd. Event
Ans:d. EventView All Answers
Question - 179:The problem with ..... file is that they slow your computer's operation.a. Fragmentedb. Formattedc. Programd. All of above
Ans:a. FragmentedView All Answers
Question - 180:A spooler is a:a. Location in memory that maintains the contents of documents until it prints outb. Queue of print job that are waiting to printc. Program that coordinates the print job that are waiting to processd. Message sent from the printer to the operating system when a print job is completed
Ans:c. Program that coordinates the print job that are waiting to processView All Answers
Question - 181:CAD software is most likely to be used by:a. Web designerb. Engineersc. Project Managerd. Magazine Editor
Ans:b. EngineersView All Answers
Question - 182:Save operation means:a. Put data into processorb. Put data into internal memoryc. Put data into secondary storaged. Put data into monitor
Ans:c. Put data into secondary storageView All Answers
Question - 183:
Copyright © http://InterviewQuestionsAnswers.org Page 30/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
What do you type at the DOS command prompt to return back to Windows?a. Commandb. Exitc. Quitd. Return
Ans:b. ExitView All Answers
Question - 184:The question mark (?) indicates in file searching:a. A single characterb. A group of characterc. Questionsd. None of above
Ans:a. A single characterView All Answers
Question - 185:Which command is used to list out deleted files in DOS?a. listb. Undelete/listc. Recoverd. All of the above
Ans:b. Undelete/listView All Answers
Question - 186:We can start the application from?a. Log offb. Network placec. Recycle bind. Run
Ans:d. RunView All Answers
Question - 187:When you open my computer on desktop you see the information of:a. Hard diskb. CDc. Removable diskd. All of the above
Ans:d. All of the aboveView All Answers
Question - 188:RD command are used to:a. Remove an empty directoryb. Remove non empty directoryc. Remove directory including filesd. None of the above
Ans:a. Remove an empty directoryView All Answers
Question - 189:Which of the following is used to display the content of a certain drive or folder?a. Click the drive or folder while holding down the Alt keyb. Triple click the drive or folderc. Right click the drive or folderd. Double click the drive or folder
Ans:d. Double click the drive or folder
Copyright © http://InterviewQuestionsAnswers.org Page 31/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
View All Answers
Question - 190:Recently used application file list appears in the Windows operating system.a. Setting menub. Documents menuc. Run dialog boxd. Programs menu
Ans:b. Documents menuView All Answers
Question - 191:......is an intermediate storage for deleted files.a. My computerb. My documentsc. Recycle bind. None of above
Ans:c. Recycle binView All Answers
Question - 192:Booting means:a. Restarting computerb. Installing programc. Removing errorsd. Switch off
Ans:a. Restarting computerView All Answers
Question - 193:While working with MS DOS which command is used to change the extension of all file names ending with .txt to doc?a. Ren *.doc *.txtb. Ren .txt .docc. Ren file.doc file.textd. Ren a:*.doc *.doc
Ans:a. Ren *.doc *.txtView All Answers
Question - 194:Which of the following file menu option saves document to disk?a. Saveb. Createc. Renamed. All of above
Ans:a. SaveView All Answers
Question - 195:The title bar always displays on:a. Top of the open windowsb. Left side of the open windowc. Right side of the open windowd. All of above
Ans:a. Top of the open windowsView All Answers
Question - 196:...... are specially designed computer chips that reside inside other devices, such as your car or electric thermostat.a. Serverb. Embedded computerc. Robotic computer
Copyright © http://InterviewQuestionsAnswers.org Page 32/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
d. Mainframes
Ans:b. Embedded computerView All Answers
Question - 197:Which of the following is a disk compression tools?a. Drive spaceb. Defragmenterc. Scandiskd. None of the above
Ans:a. Drive spaceView All Answers
Question - 198:Batch file is used to:a. Run programb. Show the contentsc. run commands automaticallyd. All of above
Ans:c. run commands automaticallyView All Answers
Question - 199:Scandiska. Checks the diskb. Give information about diskc. Run from DOS moded. All of the above
Ans:d. All of the aboveView All Answers
Question - 200:How can you optimize performance of your computer?a. Delete unused filesb. Defrag diskc. Scan for virusd. All of above
Ans:d. All of aboveView All Answers
Question - 201:To save your computer from viruses you will do:a. Install antivirus software and run itb. Make physical safe for the removal diskc. Scan the removable disk before using itd. All of the above
Ans:a. Install antivirus software and run itView All Answers
Question - 202:To change the volume label:a. Volb. Labelc. Scandiskd. None
Ans:b. LabelView All Answers
Question - 203:
Copyright © http://InterviewQuestionsAnswers.org Page 33/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
A utility that can be used to minimize the number of fragmented files and enhance the speed:a. Disk spaceb. Defragc. Scandiskd. Double space
Ans:b. DefragView All Answers
Question - 204:Which is not a system tool?a. Folderb. Backupc. Scandiskd. Format
Ans:a. FolderView All Answers
Question - 205:To properly exit Windows:a. Click the stop button on the desktopb. Click the exit button on the desktopc. Select shut down from Start menud. None of above
Ans:c. Select shut down from Start menuView All Answers
Question - 206:Dial up connection allows you to:a. Connect ISPb. Internetc. Serverd. All of above
Ans:a. Connect ISPView All Answers
Question - 207:What do you mean by dialog box?a. Interactive message boxb. Group of optionsc. Set of controlsd. All of the above
Ans:d. All of the aboveView All Answers
Question - 208:Page stealing:a. Is a sign of an efficient systemb. Is taking page frame from other working setsc. Should be the turning goald. Is taking layer disk space for page in page out
Ans:b. Is taking page frame from other working setsView All Answers
Question - 209:The function of Dir/W is:a. Show all details of fileb. Show only file name and directory namec. Shows only directoryd. All of the above
Ans:b. Show only file name and directory name
Copyright © http://InterviewQuestionsAnswers.org Page 34/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
View All Answers
Question - 210:What is the meaning of "Hibernate" in Windows XP/Windows 7?a. Restart the Computer in safe modeb. Restart the Computer in hibernate modec. Shutdown the Computer terminating all the running applicationsd. Shutdown the Computer without closing the running applications
Ans:d. Shutdown the Computer without closing the running applicationsView All Answers
Question - 211:Running multiple programs at the same time is called:a. Multitaskingb. Foreground taskingc. Single taskingd. Symmetric
Ans:a. MultitaskingView All Answers
Question - 212:The category of operating system that you most likely have running on your PDA computer is a .... Operating system.a. Real timeb. Single user, single taskc. Single user, multitaskd. Multiuser, multitask
Ans:b. Single user, single taskView All Answers
Question - 213:You should choose this mode if you don't know how long you won't use your computer but want to have the same desktop state when you resume.a. Shut Downb. Restartc. Sleepd. Hibernate
Ans:d. HibernateView All Answers
Question - 214:___ is a compromise mode between Shut Down and Sleep mode because it does not consume power and remembers the current state of your desktop.a. Shut Downb. Restartc. Sleepd. Hibernate
Ans:d. HibernateView All Answers
Question - 215:______ is most often done after fixing a problem, adding a new program or making configuration change.a. Shut Downb. Restartc. Sleepd. Hibernate
Ans:b. RestartView All Answers
Question - 216:Which of the following shutdown method is often called Warm Boot?a. Shut Downb. Restartc. Sleep
Copyright © http://InterviewQuestionsAnswers.org Page 35/37
Disk Operating System (DOS) Interview Questions And Answers
Interview Questions Answers.ORG
d. Hibernate
Ans:b. RestartView All Answers
Copyright © http://InterviewQuestionsAnswers.org Page 36/37
Operating System Most Popular & Related Interview Guides
1 : Windows 7 Interview Questions and Answers.
2 : RTOS Interview Questions and Answers.
3 : Solaris Admin Interview Questions and Answers.
4 : Operating System (OS) Interview Questions and Answers.
5 : Unix Commands Interview Questions and Answers.
6 : Shell Scripting Interview Questions and Answers.
7 : Windows Interview Questions and Answers.
8 : Solaris Interview Questions and Answers.
9 : UNIX Operating System Interview Questions and Answers.
10 : VxWorks Interview Questions and Answers.
Follow us on FaceBookwww.facebook.com/InterviewQuestionsAnswers.Org
Follow us on Twitterhttp://twitter.com/InterviewQA
For any inquiry please do not hesitate to contact us.http://interviewquestionsanswers.org/Contact-Us
Interview Questions Answers.ORG Teamhttp://InterviewQuestionsAnswers.ORG/[email protected]