information technology cxc multiple choice questions

8/16/2019 Information Technology CXC Multiple Choice Questions

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Part 11. _______ allow(s) users to interactively send instructions (such as printingand closing a window) to a computer using graphical icons.A. CommandsB. GUIC. Printer

D. Keyboard

2. How would you represent the decimal value of 30 in Hexadecimal?A. 1EB. 30C. 1CD. 11010

3. How is data represented inside the computer?A. Logical SystemB. Byte systemC. Binary system

D. Hexadecimal system

3. Which of the following storage devices allows access to information in asequential mode?A. CD-RB. DVDC. Hard diskD. Magnetic tape

4. Which statement is NOT a “special care” to ensure that data saved onyour CD/DVD is preserved?A. Do not expose your CD/DVD to extreme temperature

B. Store them in their casing – any scratch makes it difficult to readthrough the reflective coatingC. Clean the CD/DVD with a brush, in an outward direction from thecentre of the disk, avoiding circular movements, to remove dustD. Do not write on the reflective coating of the CD/DVD and use onlyrecommended marker for any labelling on the label side

5. Which one is best suited for use with paper of large size and for complexdrawings in Computer Aided Design?A. Dot-Matrix printerB. Laser printer

C. Pen plotterD. Ink-Jet printer

6. Testing a program for any syntax or logic errors is known asA. double checkingB. editingC. debuggingD. decoding


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7. In programming, converting high level language into machine language isdone byA. driversB. service programsC. convertersD. translators

8. Which of the following is not an output device?A. MonitorB. TouchscreenC. PrinterD. Plotter

9. Which of the following printers are known to press characters or dotsagainst an inked ribbon onto a paper by means of a mechanical head ofretracting pins?A. Dot-matrixB. Ink-Jet

C. LaserD. Thermal

10. Which of the following types of mouse is a battery-powered device thattransmits data using wireless technology such as radio waves or infraredlight waves?A. Mechanical MouseB. Optical MouseC. Cordless MouseD. Trackball

11. Which of the following is NOT a 3rd generation programming language?

A. ADAB. Assembly LanguageC. FORTRAND. Java

12. Which of the following is NOT a type of testing?A. Manual Testing with sample dataB. Testing sample data on the computerC. Testing by a group of usersD. Sample Checking

13. How many bits are there in a KiloByte?

A. 1024B. 1000C. 8024D. 8192


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14. Which of the following is NOT a feature of a word processor?A. Borders and shadingB. Mail Merge and letter assistantC. MacrosD. Sending email

15. In which category of computers do desktop computers, notebooks(laptops) and Personal Digital Assistants (PDA’s) fall?A. SupercomputersB. Mainframe computersC. Mini computersD. Micro computers

16. The purpose of an address book in an email package is:A. To attach an email signature to an emailB. To attach a file like a word document to a messageC. To keep a list of all contacts and their email addressesD. To keep a list of previously visited URL’s

17. Which of the following is NOT a function of the Operating System?A. Process managementB. Memory managementC. Disk managementD. Database management

18. The BIOS stands for Basic Input Output System. It is found in the __________ of the computer and is the first piece of software that is run bythe computer.A. RAMB. ROM

C. CMOSD. MBR

19. The translator that converts high-level languages, one statement at a timeinto machine code, before the programme is executed isA. BASICB. interpreterC. query languageD. compiler

20. Current trends in the field of IT aim at providing wireless services to

people while improving on the speed and storage space of existingcomputer systems. The term ‘wireless services’ meansA. Reduction in cost of computersB. Reduction in the size of computersC. Increase of the memory of the computerD. Without cables


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Part 2

1.

When a computer is working on given instructions it is called?

a.

Output b.

Storagec.

Processingd.

Input

2.

Hexadecimal has a base value of?a.

6 b.

8c.

16d.

18

3.

Which of the following is NOT a function of the control unit?

a.

Read instructions b.

Interpret instructionc.

Direct operationd.

Execute instructions

4.

The unit of storage used to represent a character is?a.

Bit b.

Bytec.

Wordd.

Kilobyte

5.

Which of the following storage media provides sequential access only?

a.

Floppy disk b.

Magnetic diskc.

Magnetic taped.

Optical Disk

6.

Which of the following storage media used laser technology to store dataa.

Floppy disk b.

Magnetic tapec.

CD-ROMd. Hard disk

7.

The technology used to read pencil or pen marks on a multiple choice answer sheet is?

a.

OCR b.

OMRc. POSd.

MICR


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8.

The MOST suitable device for the output of architectural drawing is a?a.

Plotter b.

Laser printerc. Graphics tabletd.

Lightpen

9.

Which of the following output is an example of a hardcopy?a.

An oral speech delivered by a speaker b.

A bill produced from the printerc.

The display on a monitord.

A picture on a wall produced from a multimedia projector

10.

The decimal equivalent of 000011112 is?a.

8 b.

12c.

15d.

28

11.

The BCD representation of (-15) is?a.

100000011111 b.

101100101111c.

000000011111d.

101100010101

12.

In modern computers, the CPU speed is measured in?a.

Kilohertz b.

gigabytesc.

kilobytesd.

gigahertz

13.

Which of the following is not application software?a.

WordProcessor b.

Spreadsheetsc.

Windowsd.

SmartDraw

14.

Which of the following is not a function of the operating system?a.

Control input/output operations. b.

Provides securityc. Perform calculationd.

Provide a friendly interface

15.

An example of multitasking is?a.

Doing a background save while typing a document b. Allowing many users to use the same programc.

Allowing one user to use one programd.

Operating one program by many users


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16.

Quality Developers is a company that writes programs to do specific jobs for other companies.These programs are called?

a.

General-purpose software b. Special-purpose softwarec.

Custom-purpose softwared.

Off-the-shelf software

17.

Which of the following is not a type of software interface?a.

Command Driven b.

Touch screenc.

Menu-Drivend.

Graphical User Interface(GUI)

18.

An airline reservation system is an example ofa.

Batch processing b.

Real time processingc.

Interactive processingd.

Distributed processing

19.

The name of the interface used by blind persons to perform operation on a computer isa.

Sensor b.

Iconc.

Brailled.

Touch screen

20.

Which of the following is NOT a type of transmission medium?a.

Coaxial b.

Twisted pairc.

Modemd.

Microwave

21.

Persons at a downtown café realized that they were able to access the internet on their laptopcomputers. The café could be considered as a?

a.

Metropolitan area network b.

Hotspotc.

Local area networkd.

Satellite

22.

Which of the following technologies does NOT facilitate the transferring of data betweencomputers in adjacent buildings

a.

Fibre optic b.

Bluetooth

c.

Twisted paird.

Microwave

23.

A group of persons who share common interests and communicate by posting messages andreplies on the internet is called a/an?

a.

Podcast b.

Newsgroupc. Uploaderd.

Surfer


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32.

Presentation software allows the user toa.

Track changes b.

Design tablesc. Enhance public speakingd.

Develop graphs to report on sales data

33.

The pair of files used to produce merged letters during a mail merge is?a.

Primary document and data source b.

Primary document and merged lettersc.

Data source and merged lettersd.

Primary document and current letter

34.

Text entered into a spreadsheet is aligned towards the left by default. These entries are calleda.

values b.

labelsc.

formulaed.

functions

35.

Which of the following formatting features is unique to numbers in spreadsheet?a.

Bold b.

Customc.

Italicsd.

Indent

36.

To center the title rows of a spreadsheet across the columna.

Center align the title rows b.

Center align the title columnsc.

Merge and center the title rowsd.

Merge and center the title columns

37.

Formulae in a spreadsheet involvea.

Cell addresses, values and labels b.

Cell addresses, values and mathematical operatorsc.

Cell addresses and labelsd.

Cell addresses and values

38.

Which of the following statements is NOT true of primary keys?a.

They do not contain blank value b.

They are unique identifiersc. They are always in text formd.

They may be composed of one or more attributes

39.

The shortcut key that can be used to activate or open the find and replace screen isa. CtrlG b.

CtrlHc.

AltGd.

AltH


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46.

Given the following algorithmJ=5K< JJ> J+KK= J-3Display K

The value displayed for K is?a.

10 b.

11c.

2d.

4

47.

The following variables s, t and u have been assigned the values shown

S = 5T = 6U = 3Which of the following statements does NOT evaluate to TRUE?

a.

U>7 and T = 1d.

T 4 or s = 5

48.

Which of the following algorithms satisfies the requirement of asking the user to input twonumbers, calculate the average and displaying the result

a.

Display ‘Enter two numbers’Input a, bC=(a+b)/2Display C

b.

Input a, bC=(a+b)/2Display c

c.

Display ‘Enter two numbers’Input a,bC=a+b/2Display C

d.

Input a, bC=a+b/2

Display C


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49.

Which of the following algorithms does NOT display four consecutive numbers?a.

For v=2 to 5Display v

b. H=While h


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Part 3

1.

Which of the following devices is used to perform input into the computer(a) Monitor (b) Mouse(c)External hard drive (d) USB flash drive

2. Which of the following is NOT part of a diskette?

(a) Track (b) sector(c)Cylinder (d)Cluster

3. A diskette is divided into a number of concentric circles called(a) sectors (b) cylinders(c) tracks (d) clusters

4. Which of the following devices is NOT used in a point of sale terminal?(a) Printer (b) Plotter(c)Bar code reader (d) Electronic cash register

5. Resolution determines the clarity of the image displayed on a monitor. The term resolution refersto the number of pixels

(a) present horizontally on the screen (b) present vertically on the screen(c)present in a unit area of the screen (d) that make up the colour

6. Identify the list that is arranged starting from the BEST to WORST print quality.(a) Laser, Dot matrix, Inkjet (b) Inkjet, Dot matrix, Laser(c) Laser, Inkjet, Dot matrix (d) Dot matrix, Inkjet, Laser

7. Which of the following is NOT an audio output?(a) Microphone (b) Earphone(c)Headphone (d) Speakers

8. The one’s complement of 01010011 is(a) 11010011 (b) 01011111(c) 10101100 (d) 11111111

9. In modern personal computers, the CPU speed is measured in(a) nanoseconds (b) milliseconds

(c) MHz (d) GHz10. The storage capacity of a floppy disk is

(a) 1.44 MB (b) 1.44 GB(c)1440 KB (d) 1440 MB

11. The process of preparing a floppy disk to store data from a computer is called(a) deleting (b) easing(c)formatting (d) archiving

12. An example of a point and draw device is a(a) keyboard (b) joystick(c)mouse (d) scanner

13. An application in which scanners are commonly used is(a) publishing (b) billing

(c)printing reports (d) cheque processing14. Which of the following does NOT serial access?

(a) Reel to reel tape (b) Microfilm(c)Microfiche (d) Cartridge tape

15. Which of the following provides transmission of data in BOTH directions at the SAME time?(a) Half Duplex (b) Full Duplex(c) Null Duplex (d) Simplex

16. In the URL http://www.shoes.com, ‘shoes.com’ stands for the(a) extension (b) company name


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(c) domain name (d) internet company17. Google is an example of

(a) the Internet Explorer (b) a Web browser(c)a search engine (d) the World Wide Web

18. A new employee at a financial company has been asked to set a password on her computer. She hastried setting the password on several occasions but gets an error message which says “password not

effective”. The problem can be corrected by entering a password that is(a) made up of several numbers (b) a relative’s name(c) composed of at least six upper case characters(d) a mixture of mixed case and alphanumeric characters

19. Transferring data from a remote computer to your computer is referred to as(a) uploading (b) browsing(c)downloading (d) data mining

20. Scrambling of messages at the sending end and unscrambling them at the receiving end is called(a) espionage (b) encryption(c) coding (d) eavesdropping

21. The acronym ‘HTTP’ stands for(a) Hyper Text Transfer Protocol (b) Hyper Text Transmission Protocol

(c) Higher Text Transmission Protocol (d) Higher Text Transfer Protocol

22. E-mail is the transmission of messages and files via a computer network. E-mail is short for(a) encrypted mail (b) emerging mail(c) entertainment mail (d) electronic mailItem 23 refers to the icon below.

23. In an e-mail program the icon above is used to(a) send a file (b) forward a file(c) create a file (d) attach a file

24. Which of the following is NEITHER a validation NOR a verification check?(a) storage media check (b) Inconsistency check(c) Data-type check (d) Range check

25. Advantages of information processing include(a) retraining of staff (b) less human intervention(c) increasing the amount of equipment needed(d) reduction of face-to-face interaction

26. Which of the following statements is true of a transaction file?

(a) It is the most complete and up-to-date data file(b) It is used as a back-up copy(c) It is used for real time processing(d) It is used to update the master file

27. Which type of processing system will use sequential file organization?(a) Real-time processing (b) Batch processing(c) Transaction processing (d) Online processing


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28. Data verification is checking for(a) particular data types (b) data in a specific range(c) transcription errors (d) correct relationship between files

Items 29-30 refer to the document below which shows a water bill.

SECTION A

Account Number

Meter Number Bill Days Account Number

Bill Date

1112 22-3 2009/12/04

Total Due Date

$25.41 2009/12/29

Mr. Tom Bill21 Hill Top ViewST MICHAELB. Post cheques to:P.O. Box 1206 Bridgetown

29. Customers tear off Section A of the bill and return the section and their payment to the company. Thedocument above is BEST described as

(a) an automated document (b) a turnaround document(c) a source document (d) a transaction document

30. Which type of technology is the information shown as B in the document MOST likely printed in?(a) OCR (b) OMR

(c) POS (d) MICR31. Slide design in a presentation software is used to(a) create a background for the slide (b) create your own design for the slide(c) create a layout for the slide (d) create a style for the slide

32. Which of the following are uses of a typical presentation software?I. To enhance public speakingII. To store records in a structural fashionIII. To create graphs of salesIV. To deliver lectures(a)

I and II only (b) I and IV only(c) I, II and IV only (d) I, II, III and IV


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Items 33- 34 refer to the diagram below which shows a section of the standard Toolbar of a word processing package

33. The name of the icon labeled ‘1’ is(a) undo (b) repeat(c) word wrap (d) text alignment

34. The purpose of the icon labeled ‘2’ is to(a) align text on the left and right margin

(b) increase the indentation of the selected paragraphs(c) increase the columns in documents(d) display the grid to select columns and rows

12


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Item 35 refers to the diagram shown below

35. The diagram above is called the(a) page setup dialog box

(b) paragraph dialog box(c) clipboard task pane(d) format dialog box

36. The term used to describe text in a spreadsheet that is aligned towards the left by default is(a) value formulae (b) headings(c) labels (d) values

37. Which of the following is the default justification of numbers in spreadsheets?(a) left (b) Full(c)Centred (d) Right38. When a cell from a spreadsheet is absolute referenced.

(a) its value becomes constant (b) its cell address becomes constant(c)its label becomes constant (d) its cell value changes automatically39. Spreadsheet formulae use(a) values, labels or cell addresses(b) values, mathematical operators or cell addresses(c)labels or cell addresses(d) values or cell addresses

40. Which of the following is NOT involved in extraction or filtering of records in spreadsheets?(a) Value range (b) Criteria range(c)List range (d) Copy to range

41. Which of the following characteristics must two database tables have in order for them to be linked?(a) At least one common attribute name (b) Composite keys(c)At least two tuples in the table (d) The same data in all tuples42. The term used to describe an attribute that can function like a primary key is a(a) candidate key (b) secondary key(c)foreign key (d) composite key


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43.Which of the following is/are true of secondary keys?I. They are used strictly for data retrieval purposesII. They are always in text formIII. They do not contain null valuesIV. They do the same function as a foreign key

(a)

I only (b) II and III only

(c)III and IV only (d) I,II,III and IV

44. The object that is used to produce a list of records that meet a particular criterion is a(a) form (b) table(c) module (d) query

45.In a relational database, tables are also called(a) tuples (b) files(c) relational (d) entity

46. Consider the following algorithmA = 7B= 9A = B- AB = A+BWrite A,BThe output of this algorithm is(a) 2,9 (b) 2,16(c) 7,9 (d) 7,11

47. Consider the following algorithmSum 0

Read a,bSum a+bWrite SumIn the above algorithm, ‘sum0’ represents(a) a declaration (b) a computation(c) an initialization (d) an assignment

48. In the programming language Pascal, which of the following is NOT a standard data type?(a) Floating point (b) Char(c) Boolean (d) Integer

49. Which of the following structures in most commonly used to implement a post –test loop in Pascal?

(a) for –do (b) while-do(c) if-then (d) repeat –until


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50. Which of the following statements would be placed in the flow chart box shown below?

(a)

Read A (b) A >25

(c) Count count +1 (d) Output C

51. The purpose of comments in program code is toI. allow persons to read it to follow the processesII. know the purpose of the programIII. generate code

(a)

I and II only (b) I and III only(c) II and III only (d) I, II and III

52. Which of the following are true about the use of indentation in programming?I. To make the layout of the code attractive

II. For compiler/interpreter to identify errors easilyIII. For easy understanding of the order of codeIV. For easy correction of syntax errors

(a)

I ,II and III only (b) I, III and IV only(c) II, III and IV only (d) I,II, III and IV only

53. Which of the following is NOT a third generation language?(a) Assembly (b) COBOL(c) C (d) PASCAL

54. The Pascal code var x,y would generate an error. The term used to describe this type of error is.(a) run time error (b) execution error

(c) logical error (d) syntax errorItem 55 refers to the following pseudocodeRead A,BIf A < 2

C 2Else

C 6EndifDC*B +2Write D55. What is printed by the pseudocode if the input values are 5 and 2 respectively?(a) 6 (b) 12

(c)14 (d) 24

56. A compiler is software that converts the(a) source code into assembly code(b) source code into machine code(c)program to output(d) program to object code one instruction at a time


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57. The result of the expression 3 mod 4 is(a) 0 (b) 1(c)3 (d) 4

58. Which of the following symbols is used to perform assignments in the programming language Pascal?

(a) = (b) (c):= (d) = =

59. The variable total is assigned the value 12. Which output shows the CORRECT display when thePascal code Writeln(‘total =’); is executed?(a) total = (b) 12(c) total =12 (d) ‘total =’60. Which of the following identifiers is a valid variable name?(a) Begin (b) icount(c)Num1 (d) 5sum

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