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COMPUTER SCIENCE- GROUP II

1. The man who built the 1st mechanical calculator was

a) John Mauchly b) Blaise Pascal c) Joseph Marie Jacquard d) Howard Aiken

. Punched cards were 1st introduced by

a) Powers b) Pascal c) Jacquard d) Hollerith

!. The 1st machine which would be called prototype o" the modern computer was

a) Automatic loom b) #i""erence en$ine c) Analytic en$ine d) %lide rule

&. 'omputers built be"ore the 1st $eneration o" computers were

a) electricals b) electro(mechanical c) mechanical d) none o" the aboe

*. +irst $eneration computers used

a) transistors b) acuum tubes c) wires d) inte$rated circuits

,. -%/ was "irst used with the computers o"

a) third $eneration b) "ourth $eneration c) second $eneration d) none o" the aboe

0. %econd $eneration computers started appearin$ in

a) 1,2 b) 1** c) 1*2 d) 102

3. 4ord si5e o" a home computer is

a) ,& bits b) ! bits c) 3 bits d) 1, bits

. %i5e o" the primary memory o" a Personal 'omputer ran$es between

a) 3 6B and ,&6B b) ,& 6B and *, 6B c) *, 6B and ,&2 6B d) none o" the aboe

12. 'P7 speed o" a personal computer 8P') is

a) ! kilo instruction per second b) one million instructions per second c) 122 kilo instruction

per second) none o" the aboe

11. -A9(11 "rom #:' is a

a) mini(computer b) super mini(computer c) main"rame computer d) none ;" the aboe

1. At present< a super computer has the computin$ capability o"

a) &

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1*. /n a hi$h resolution mode< the number o" dots in a line is

a) !2 b) 0,2 c) ,&2 d) 22

1,. Pro$rams stored in >;M are called

a) hardware b) "irmware c) so"tware d) none o" the aboe

10. The unit ?kilo instruction per second? is used to measure the speed o"

a) processor b) printer c) tape drie d) disk drie

13. A binary system has

a) two symbols 8a) and 8b) b) two symbols 2 and 1 c) at least two symbols d) none o" the aboe

1. The nine@s complement o" a decimal number is obtained by

a) addin$ each di$it o" the number to b) multiplyin$ the $ien number by c) subtractin$ each

di$it o" the number "rom d) diidin$ the $ien number by

2. A compiler

a) translates a hi$h(leel lan$ua$e into machine lan$ua$e b) is a part o" so"tware c) is a

computer pro$ram d) none o" the aboe

1. 'omputer so"tware includes

a) application pro$rams b) operatin$ system pro$rams c) packa$ed pro$rams d) all the aboe

. Machine lan$ua$e

a) di""ers "rom one type o" computer to another b) is the lan$ua$e in which pro$rams were "irst

written c) is the only lan$ua$e understood by the computer d) all the aboe

!. 16 /% equialent to

a) , b) 3 c) 12 d) none o" the aboe

&. Binary 'oded #ecimal numbers e=press(each decimal di$it as

a) bits b) bytes c) word d) none o" the aboe

*. The basic operations per"ormed by a computer is

a) stora$e and retrieal operations b) arithmetic operations c) lo$ical operations d) all the aboe

,. The earliest calculatin$ deice is

a) abacus b) di""erence en$ine c) clock d) none o" the aboe

0. Assembly lan$ua$e

a) is the easiest lan$ua$e to write pro$rams b) need not be translated into machine lan$ua$e c)

uses alphabetic codes in place o" binary numbers used in machine lan$ua$e d) none o" the

aboe

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3. A source pro$ram is

a) a pro$ram written in a machine an$ua$e b) a pro$ram to be translated into machine

lan$ua$e c) a machine lan$ua$e translation o" a pro$ram written in a hi$h(leel lan$ua$e d)

none o" the aboe

. %tand(alone pro$rams re"er toa) obect pro$rams b) source pro$ram c) e=ecutable pro$rams d) none o" the aboe

!2. Al$orithm and "lowchart help us to

a) direct the output to a printer b) know the memory capacity c) identi"y the base o" a number

system d) speci"y the problem completely and clearly

!1. The steps in an al$orithm

a) must "ollow a prescribed order b) will "ollow a prescribed order sometimes c) need not "ollow

any order d) will "ollow a random order

!. /nput;utput seres as

a) an inter"ace between input and memory b) an inter"ace between user and machine c) an

inter"ace between input and 'P7 d) an inter"ace between data and pro$ram

!!. The maor adanta$e o" the "lowchart is

a) >educe error and omissions in the pro$ram b) >educe lo$ic c) >educe pro$rammin$ steps d)

>educe the error

!&. An al$orithm is said to be deterministic. %ince al$orithm has

a) ;ne alternatie b) Two alternaties c) Three alternaties d) More than three alternaties

!*. +ind the product o" 1221 and 1121

a) 1112111 b) 1112122 c) 1112121 d) 1221212

!,. :aluate 12l 1112

a) 1212< with remainder 1 b) 1112< with remainder 1 c) 1122< with remainder 1 d) 1211< with

remainder 1

!0. The number o" bits in sin$le word is known as

a) 4ord len$th b) Bytes c) Bu""er d) 4ord count

!3. A "loppy disk has. 32 tracksC each track is subdiided into sectors. :ach sector can store*1 bytes. 4hat is the capacity o" the disk in 6 bytesD

a) *16 bytes b) 12&6bytes c) !,&6 bytes d) none o" the aboe

!. 4hich is the sin$le user ;peratin$ %ystem

a) E;-: E:T4A>: b) #;% c) 7E/9 d) none o" the aboe

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&2. 4hich is the correct multi(user system

a) 7E/9 b) E;-: E:T4A>: c)4/E#;4% ET d) An the aboe

&1. 4hich the correct sin$le user operatin$ system

a) M%(#;% b) 'PM c) 4/E#;4% * d) All the aboe

& %tate which is not an e=actly an operatin$ system

a) M%(#;% b) 4idows !.1 c) 4indows * d) Eone o" the aboe

&!. The :=ternal commands $enerally come with the e=tension

a) .';M b) .BAT c) .:9: d) All the aboe

&&. %tate the alid resident commands

a) >:E b) #/> c) -:> d) All the aboe

&*. %tate the alid #;% command types

a) /nternal or >esident commands b) :=ternal or Transient commands c) Both 8a) and 8b) d)

Eone o" the aboe

&,. M%(#;% operatin$ system consists o"

a) M%#;%.%F% b) /;.%F% c) ';MMAE#.';M G set o" utilities d) All the aboe

&0. %tate the correct :=ternal command

a) ATT>/B.:9: b) BA'67P.:9: c) >:%T;>:.:9: d) 'H6#%6.:9: e) all the aboe

&3. /n "ormattin$< "loppy is diided into

a) sectors b) both 8a) and 8b) c) tracks d) none o" the aboe

&. The #/> command is $enerally used to display

a) +ile name b) %i5e o" the "iles c) date and time d) +ile name e=tension e) All the aboe

*2. Eearly all the 4indows applications share a common set o" commands

a) Eew b) ;pen c) %ae d) Print e) all the aboe

Answers: 1-b, 2-d, 3-c, 4-b, 5-b, 6-b, -b, !-c, "-c, 1#-c, 11-b, 12-b, 13-$, 14-$, 15-c, 16-b,

1-$, 1!-b, 1"-c, 2#-$, 21-d, 22-d, 23-c, 24-$, 25-d, 26-$, 2-c, 2!-b, 2"-c, 3#-d, 31-$, 32-b,

33-$, 34-b, 35-c, 36-d, 3-c, 3!-$, 3"-b, 4#-d, 41-d, 42-c, 43-d, 44-d, 45-c, 46-d, 4-e, 4!-b,

4"-e, 5#-e

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1. The content o" >AM is

a) Permanent b) Temporary c) -olatile d) #uplicate

. 1 MB 8Me$a Byte) is equialent to

a) 2 bytes b) 12 bytes c) &2 bytes d) 3 bytes

!. The common secondary deices 8au=iliary stora$e units) are

a)+loppy disk drie b) Ma$netic drum c) Ma$netic tape drie d) Ma$netic disk drie

&. The he=adecimal equialent o" a binary number 122112121s

a) A b) B c) A d) B

*. Memory is made up o"

a) A set o" 'ircuits b) A lar$e number o" cells c) A set o" wires d) Eone o" the aboe

,. The binary system has the blow mentioned symbols

a) 2

a) A set o" connectors b) 'hip containin$ a special electronic circuit c) A set o" wires d) A set o"

memory cells

1. The he=adecimal equal o" a octal number ,&! is

a) 1A! b) 1!A c) A1! d) !1A

1!. ;ne byte is equialent toa) !(bit b) 3(bit c) 1,(bit d) ,&(bit

1&. >AM stands "or

a) >ead Automatic Memory b) >andom Assessin$ Memory c) >andom Access Memory d)

>andomAllowable Memory

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1*. :ery /n"ormation is saed in the system memory in terms o"

a) #i$its b) 'haracter and di$its c) eros and ones d) 'haracter

1,. B'# stands "or

a) Bits 'oded #ecimal b) Bytes 'oded #ecimal c)Binary 'oded #ecimal d) Binary 'oded #ata

10. :B'#/' stands "or

a) :=tendad Binary 'oded #ecimal /nterchan$e 'ode b) :=tend Binary 'oded #ata

/nterchan$e 'ode c) :=tents o" Binary 'oded #i$its /nterchan$e 'ode d) :=tended Binery

'oded #ecimal /n"ormation 'ode

13. The decimal equialant o" an octal number 0, is

a) ,& b) , c) ,, d) *3

1. A%'// stands "or

a) American %tanderd 'ode "or /n"ormation /nitiation b) Americans %tandard 'ode "or /nitial

/n"ormations c) American %tandard 'ode "or /n"ormations /nterchan$e d) Apropriate %tandard

'ode "or /n"ormations /nterachan$e

2. 4hich one deice can able to understand the di""erence in between data G pro$ramsD

a) ;utput deice b) Memory c) /nput deice d) Microprocessor

1. :P>;M could be used "or

a) >econstructin$ all o" the contents o" >;M b) :rasin$ and reconstructin$ the contents o" >;M

c) :rasin$ the contents o" >;M d) #uplicatin$ >;M

. The prime units o" computer area) /nput< output< 'P7< au=iliary stora$e unit b) /nput< ;utput< Memory c) /nput< output< 'P7 d)

/nput< 'P7< au=iliary stora$e unit

!. The octal equal o" a binary number 21221 is

a) b) 11 c) *1 d) 1

&. +low charts are classi"ied into

a) #ata and system "lowcharts b) Pro$ram and system "lowcharts c) Pro$ram and decision

"lowcharts d)

Pro$ram and data "lowcharts

*. The binary equal o" he=adecimal number &B0 is

a) 211112112122 b) 212212112111 c) 121121112112 d) 121121221,11

,. /n"ormation can be saed< or retrieed "rom memory location throu$h its

a) Address b) -alue c) -ariable declaration d) /nput

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0. 'entral Processin$ 7nit consists

a) Primary memory< control unit< arithmetic and lo$ic unit b) /nput< output c) /nput< memoryectan$ular shaped bo= d) +lat< oal inshape

. A number inolin$ to wei$hts attached to the position o" the number is called

a) +ace alue b) Place alue c) Base alue d) 4ei$hts o" the number

!2. #ouble precision ariable can occupy

a) & bytes b) 3 bytes c) bytes d) 12 bytes

!1. /n computer terminolo$y 1 and 2 are called

a) Bits b) Binary di$its c) Bytes d) ?on? and ?o""?

!. MA> stands "or

a) Memory Address >e$ister b) Memory Arithmetic >e$ister c) Memory Access >e$ister d)

Memory Assessin$ >e$ister

!!. *A! is a

a) ;ctal number b) He=adecimal number c) #ecimal number d) Binary number

!&. A number in the binary system is chan$ed to its equal octal system by partitionin$ the binary

number into

a) &(bit blocks b) 1(bit block c) !(bit blocks d) (bit blocks

!*. The decimal equal o" he=adecimal number &B! is

a) 1!2 b) 12! c) 122 d) 11*

!,. Al$orithm and "lowcharts are help us to

a) know the memory capacity b) speci"y the problem completely and clearly c) know the

processin$ speed d) speci"y input parameters

!0. The primitie steps relatin$ in the deelopment o" an al$orithms are

a) /nput< assi$nment< decision< repetitie and output b) /nput< decision and output c) /nput;M is known as

a) %o"tware b) +irmware c) Hardware d) >;Mware

&*. The steps in an al$orithm

a) will "ollow a random order b) must "ollow a prescribed order c) need not "ollow any order d)

will "ollow a prescribed order sometimes

&,. The he=adecimal same o" a decimal number 0& is

a) :B b) :' c) :# d) :#

&0. :aluate 111121 ( 12212

a) 121112 b) 111212 c) 112121 d) 121211

&3. A "ile mana$er can be used to per"orm actions such as

a) 'han$e drie and directories b) "ormat< copy and erase disk contents c) list< moe< copy anddelete "ile8s) and directories d) All the aboe

&. The topolo$y or types o" networks are

a) %tar topolo$y b) >in$ topolo$y c) Bus topolo$y d) All the aboe

*2. %tate the types o" Eoell Eet4are 'ommand.

a) 7ser workstation commands b) %uperisor or ;perator 4orkstation commands c) 'onsole

commands d) all the aboe

Answers: 1-b, 2-$, 3-b, 4-c, 5-b, 6-d, -b, !-b, "-$, 1#-b, 11-b, 12-$, 13-b, 14-c, 15-c, 16-c,

1-$, 1!-b, 1"-c, 2#-d, 21-b, 22-$, 23-b, 24-b, 25-b, 26-$, 2-$, 2!-b, 2"-b, 3#-b, 31-$, 32-$,

33-b, 34-c, 35-b, 36-b, 3-$, 3!-$, 3"-c, 4#-b, 41-b, 42-$, 43-d, 44-b, 45-b, 46-$, 4-d, 4!-d,

4"-d, 5#-d

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1. The +ind option can be used to

a) trace "iles only b) trace computers on the machine and network only c) both 8a) and 8b)

d) none o" the aboe

. The %hut #own menu hasa) only restart the computer option b) only restart the computer in M%(#;% mode c) only shut

down the computer option d) all the aboe

!. The 4indows :=plorer can be used to

a) Arran$in$ o" "ile8s) and "olders by name< date< si5e etc.< and delete "iles or "olders b) 'reate

a new "olderC rename a "older"ile8sI c)'opy "iles "rom one place to another d) Moe "older "rom

one place to another e) all the aboe

&. The 4indows accessories consist o"

a) ames< /nternet tools< Multimedia< %ystem Tools< 4ord pad b) 'alculator< #ial(7p

Eetworkin$< #irect

cable connection c) Hyper Terminal< /ma$in$< Eotepad< Paint< Phone #ialer d) All the aboe

*. The components o" 7E/9 consists o"

a) 6emal b) 7E/9 utilities c) Application so"tware d) All the aboe

,. 4hich are the correct "eatures o" 7E/9

a) Hierarchical "ile system< 7E/9 shell b) Pipes and "ilters< 7tilities< %ecurity c) Portability< Multi(

user operations d) Back$round .processin$< %o"tware deelopment tools e) All tile aboe

0. The -ersions o" 7E/9 includea) 7E/94A>:< %;A>/% b) %'; 7E/9< />/9 c) cI HP(79< #:' ;%+1 d) A/9< /E79< A79 e)

All the aboe

3. A 7E/9 "ile name

a) should not contain a blank or a tab b) can contain both upper and lower case alphabets c)

both 8a) and 8b) d) none o" the aboe

. The ;rdinary "iles

a) may contain i5.< te=t< data< pro$rams and binary codes b) can be created throu$h pro$rams

or editor or throu$h any other 7E/9 utility c) are completely under users control d) can be made@

as per users own "ormat structure e) all the aboe

12. The special "iles

a) are typically associated with input(output deices b) cannot be altered by the users c) are

mostly the system "iles in 7E/9 d) all the aboe

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11. The types o" users in 7E/9 are

a) %ystem Administrator b) +ile ;wner c) roup ;wner d) ;ther users e) All the aboe

1. The %ystem Administrator is

a) is used to create users G $roups o" users "or the system b) takes re$ular backup o" all data

and pro$rams to preent o" data loss due to system breakdown c) is primarily responsible "orthe smooth runnin$ o" the whole system d) all the aboe

1!. 4hich command can be used to list the contents o" a directory i.e.< names o" "iles G

subdirectories in a directory

a) /s b) pwd c) dir d) none o" the aboe

1&. 4hich one is the appropriate command can be used to copy "iles in 7E/9D

a) copy b) cp c) ncopy d) none o" the aboe

1*. 4hich is the wildcard character o" 7E/9 ;peratin$ %ystem

a) K c) L b) D d) all the aboe

1,. %tate the inalid i editor command

a) o ( /nserts blank line below and allow insertion b) i(/nserts te=t at current cursor position c) a (

Appends te=t a"ter current cursor position d) ; ( /nserts blank line aboe and allow insertion e)

Eone o" the aboe

10. 4hich is the inalid 7ndo>estore i editor commands

a) 7 ( >estore last chan$e b) u ( 7ndo last chan$e c) both 8a) and 8b) d) none o" the aboe

13. 'ase conersions o" a te=t require steps such asa) hi$hli$ht the word or para$raph b) choose "ormat and select case d) choose the desired case

option and click ;6 d) all the aboe

1. Microso"t ;""ice consist o"

a) M% :9': b) M% P;4:>P;/ET c) M% 4;># d) M% A'':%% e) All the aboe

2. Microso"t 4ord help us

a) to type letters or documents or creatin$ tables b) to edit< "ormat< Ali$nment o"

te=tdocumenttables c) "or spell checkin$< te=t trans"er< addin$ remoin$ te=t d) "or

$rammatical check and printin$ e) all the aboe

1. 4hich is the correct user workstation commands

a) ATTA'H b) ;/E c) 'A%T;++ d) /%T#/> e) All the aboe

. The 4H;AM/ command displays

a) $roup membership< security equialences b) allotted ri$hts in eery directory c) "ile serer

name< user name< lo$in date and time d) all the aboe

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!. 4hich is the alid %uperisor or ;perator 4orkstation commands

a) E-:> b) P7>: c) P%TAT d) %A-A: e) All the aboe

&. %tate the alid 'onsole command

a) #;% b) :EAB: ;/E c) B>;A#'A%T d) all the aboe

*. The #esktop consists o"

a) Eetwork Eeiqhbourhoods< My 'omputer b) %hortcuts< on$ +ile Eames c) >ecycle Bin:A# statement c) /EPFT X statement d) all the aboe

11. /n BA%/'< >:A# must be accompanied by

a) assi$nment statement b) #ATA statement c) ; T; statement d) all the aboe

1. 'onsider the "ollowin$ statementsN12 :T AQO?4:';M:?

2 P>/ET :E8AQ)Y

!2 :E#

This pro$ram returns the

a) inalid statement b) messa$e ?4:';M:? on the screen c) len$th o" a strin$ d) assi$ns the

alue o" a strin$

1!. The below "ollowin$ operators are < O< W< WO:%T;>: c) /EP7T d) >:A#

1*. The alue o" 'OOAMA918(!&.,AE may ran$e "rom

a) one to three dimensional b) one to "ie dimensional c) one to two dimensional d) one to

seen dimensional

10. /n the BA%/' output< which symbol deliers more spacea) comma 8

a) %U>8) b)%U>T8) c) %U>89) d) %U>89)

. /n BA%/' pro$ram< e=ecution carry out

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a) in sequence b) main pro$ram statements "ollowed by subpro$ram statements c) in random

order d) none o" the aboe

!. 4hich is the equialent +;>T>AE e=pression o" the "ollowin$ mathematical e=pression

8=y) 8u)

a) 89F) 87-) b) 89F) K 87-) c) 89F) 9 87-) d) none o" the aboe

&. +ind the alue o" the mi=ed(mode operation 1. *K 81.) 8*.)

a) 2.& b) 2.!2 c) 2.&2 d) 2.!

*. The "ollowin$ statement >:A#8K< K) 898/)AE c) reads *2 alues d) none o" the aboe

,. +ind the inalid #/M:E%/;E statement

a) #/M:E%/;E A 812: #/-/%/;E b) /#:ET/+/'AT/;E and :E-/>;EM:ET #/-/%/;E c)

both 8a) and 8b) d) 4;>6/E(%T;>A: #/-/%/;E

3. The ';E+/7>AT/;E %:'T/;E should always be included in

a) :E-/>;EM:ET #/-/%/;E b) #ATA #/-/%/;E c) /#:ET/+/'AT/;E #/-/%/;E d)

P>;':#7>: #/-/%/;E

. #ATA #/-/%/;E consists o"

a) 4;>6/E(%T;>A: %:'T/;E b) >:P;>T %:'T/;E c) +/: %:'T/;E d) all the aboe

!2. %tate the alid statement

a) Mar$in A can be used to enter name o" the sections b) Mar$in A can be used to enter name

o" the para$raphs c) Mar$in A can be used to enter name o" the diisions d) any o" the aboe

!1. +ind the inalid data name o" ';B;

a) EAM: Q b) T' c) T;TA- d) all the aboe

!. %tate the incorrect Pascal resered word

a) :E# b) -A> c) AE# d) :%:/+

!!. A ';B; may consist o"

a) only the di$its 2 to b) only the letter A to c) only hyphen8() d) all the aboe

!&. /n ';B;< an asterisk 8K) mark in column 0 indicates

a) comment line b) continuation line c) both 8a) and 8b) d) none o" the aboe

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!*. +ind the correct :dit character "or numeric data.

a) '>< #B< .< .:AT:> THAE B M;-: E T; 9 d) all the aboe

!3. /n the ';B; pro$ram< the number o" diision is

a) one b) two c) three d) "our

!. /#:ET/+/'AT/;E #/-/%/;E includes

a) Pro$ram(/# and author b) date compiled< security< remarks c) /nstallation< date(written d) all

the aboe

&2. +ind the correct "i$uratie constants

a) :>; b) %PA':% c) U7;T: d) all the aboe

&1. +ind the alid M;-: statement

a) M;-: 12 T; A B ' b) M;-: A T; B c) M;-: :>; T; ' d) all the aboe

&. :ach o" the para$raph names should end with a

a) period 8.) b) colon 8N) c) semicolon 8C) d) none o" the aboe

&!. +ind the inalid ';B; worda) T;T -A b) -A7:1( c) ZB1 d) all the aboe

&&. +ind the inalid data names

a) A## b) M;-: c) P:>+;>M d) all the aboe

&*. Eon(numeric literal should be enclosed within

a) double quote marks b) sin$le quote marks c) 8 ) parentheses d) none o" the aboe

&,. :ach o" the para$raph names should end with a period "ollowed by at least

a) one blank space b) two blank spaces c) one hyphen d) none o" the aboe

&0. /n the case o" a alphabetic item< the picture clause can contain only the symbol

a) 9 b) A c) % d) none o" the aboe

&3. %tate the correct ';B; resered words

a) P>;':#7>: b) /#:ET/+/'AT/;E c) P>;>AM(/# d) all the aboe

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&. An identi"ier must start with

a) a numeric alue b) a letter c) a special symbol d) none o" the aboe

*2. The compound statement enclosed within the

a) 8 ) parentheses b) keyword B:/E and :E# c) L parentheses d) [ I braces

Answers: 1-b, 2-c, 3-c, 4-d, 5-c, 6-c, -c, !-c, "-b, 1#-d, 11-b, 12-c, 13-b, 14-b, 15-b, 16-d,

1-$, 1!-b, 1"-c, 2#-c, 21-b, 22-$, 23-b, 24-b, 25-c, 26-d, 2-c, 2!-$, 2"-d, 3#-d, 31-d, 32-d,

33-d, 34-b, 35-c, 36-e, 3-d, 3!-d, 3"-d, 4#-d, 41-d, 42-$, 43-d, 44-d, 45-$, 46-$, 4-b, 4!-d,

4"-b, 5#-b