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COMPUTER STUDIES (Objective Questions And Answers)


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THEORY QUESTIONS
WAEC SYLLABUS

WASSCE 2015


Objectives



1. Charles Babbage was the first to

A. invent slide rule

B. invent analytical engine

C. make census machine

D. make use of the punched card


2. Which of the following devices is not a micro computer?

A. Desktop

B. ED VAC

C. Laptop

D. Notebook


3. The main difference between a laptop and a desktop is that, a laptop

A. does not have mouse while a desktop has

B. use USB port while desktop uses parallel port

C. can be connected to the internet while desktop' cannot

D. contain high capacity battery that powers for extensive period while desktop does not


4. Abacus is used for

A. addition

B. subtraction

C. addition and subtraction

D. multiplication and division


5. The computer hardware is made up of system unit and

A .motherboard

B. peripheral

C. control unit

D. central processing unit


ANSWERS

6. The computer memory is measured in

A. bit

B. byte

C. hertz

D. nibble


7. If the output signal of any logic gate is fed into an inverter, the results is

A. NOT gate

B. NOR gate

C. the inverse of the output signal

D. the same as the output signal


8. The device through which the main components of the computer communicate with each other is called

A. keyboard

B. memory

C. light pen

D. system bus


9. The hardware of a computer does not consist of

A. casing

B. mouse

C. peripherals

D. windows


10. Output devices in a computer are those devices that send

A. results to the memory of the computer

B. processed data and instructions into the computer

C. in data and instructions into the computer

D. data and instructions into the memory of the computer


ANSWERS

11. Which of the following is not a mobile input device?

A. Joystick

B. Light pen

C. Mouse

D. Scanner


Figure 1 is a logic gate.

Use it to answer questions 12 fo14.





12.Figure 1 represents

A. a NOT gate

B. a NAND gate

C. an AND gate

D. an OR gate


13. X, Y and Z respectively, represents

A. input, output and input signals

B. output, output and input signals

C. output, input and output signals

D. Input, input and output signals


14. When signals X = 0 and Y = 1, signal Z is

A. 0.1

B O

C. 1

D. 0+1


15. The memory unit of the computer belongs to the

A. control unit

B. input device

C. output device

D. system unit


ANSWERS

16. Which of the following is not a function of an operation system?

A. Analysis of the computer components

B. Ensuring the proper functioning of hardware

C. Maintenance of directories in external storage

D. Opening and closing files


17. An example of a specific purpose application package is the

A. payroll program

B. database program

C. spreadsheet program -

D. word processing program


18. The operating system, translators and utility programs are examples of

A. application software

B. customized software

C. network software

D. system software


19. The first stage in program development is problem

A. analysis

B. definition

C. solving

D. testing


20. A pictorial representation of program flow is referred to as

A. algorithm

B. flow chart

C. process mapping

D. pseudocode


ANSWERS

21. An example of a programming language that uses mnemonic codes is

A. Assembly program

B. BASIC program

C. COBOL program

D. FORTRAN program


22. The use of satellite to transmit signal information to the earth is enabled with the use of

A. GSM

B. GPS

C. POS

D. WAN


23. The line segment that describes the contents of the massage when sending an e-mail is

A. Cc ..

B. Contents

C. Subject

D. To


24. Which of the following networks covers the widest range?

A. LAN

B. MAN

C. PAN

D. WAN


25. The keyboard command used to copy text in MS-word document is

A. Shift + C

B. Ctrl + N

C. Ctrl + C

D. Ctrl + Alt+ C


ANSWERS

26. The colour palette in CorelDraw allows the user to

A. arrange colour

B. draw in colour

C. pick colour tool

D. choose different pre-set palettes


27. In order to get to the symbol dialog box in MS-Word. click on the

A. Home tab

B. Insert tab

C. Page Layout tab

D. View tab


28. In a network, the workstation is usually connected to the

A. Hub

B. Modem

C. Router

D. Switch


29. When browsing on the internet, a possible reason for the massage "page not found" is that

A. the weather is hot

B. the web browser is fast

C. multiple web pages are loading at the same time

D. a connection between the client and server has been lost


30. Which of the following is not a network device?

A. Hub

B. Modem

C. Port D. Router


ANSWERS

31. Which of the following is a valid e-mail address?

A. www.itbeginswithu.org

B. waeconline@yahoo.co.uk

C. www.waeconline.org

D. www.fine.gov.ng


32. In word processing, an efficient way to move the second paragraph and place it after the fourth paragraph is

A. copy and paste

B. copy, cut and paste

C. cut and paste

D. cut, copy and paste


33. In order to locate a particular word in a document, an easy way to do this is to use the

A. Find command

B. Go To command

C. Replace command

D. Search command


34. Which of the following items changes shape depending on the task being performed?

A. Ribbon

B. Active tab

C. insertion point

D. Mouse pointer


35. The computer keyboard key(s) that a user presses to move to the beginning of the current line of text is/are the

A. Enter key :

B. Home key

C. Ctrl + B keys

D. Ctrl + Home keys


ANSWERS

36. Data loss in a computer cannot be prevented by the use of

A. antivirus

B. backup

C. flash drive

D. password


37. The shortcut command used in restarting a computer is

A. Ctrl + S

B. Ctrl + O

C. Del + Alt + S

D. Alt + Ctrl + Del


38. The term bus width in data transfer refers to the

A. number of wires in the bus

B. size of the data movement

C. number of bits of information the RAM can send to the CPU at the same time

D. number of wires in the bus that carry information to the processor at a time


39. The part of the computer that holds the data and programs for CPU processing is the

A. Address

B. Register

C. Random Access Memory

D. Read Only Memory


40. A high level language can be converted to a machine language using

A. a compiler

B. an editor

C. a utility program

D. an operating system


ANSWERS

41. Which of the following statements is true of encryption? It

A. provides complete privacy

B. provides security of varying reliability

C. makes massages unreadable by the recipient

D. permits an individual to have access to another person's massage


42. Computer ethics are important because they

A. ensure identity theft

B. regulate the privacy of massages only

C. address piracy and comportment issues

D. prevent copyright infringement on discretional basis


43. Which of the following is the main advantage of intellectual property right?

A. Discouragement of sharing

B. Discovery of brilliant persons

C. Encouragement of innovations

D. Maximization of profit


44. Which of the following statements is true of free software? It

A. can be borrowed freely

B. is a low-cost software

C. is a free unlicensed software

D. is a licensed software with permission to copy freely


45. In hexadecimal number system, B, D and E represent which of the following decimal numbers?

A. 11,13 and 14 respectively

B. 12,14 and 15 respectively

C. 13, 14 and 15 respectively

D. 14, 16 and 17 respectively


ANSWERS

46. The conversion of 110012 to base ten equals

A. 20

B. 25

C. 28

D. 30


47. 9™ is equivalent to X8, where X is

A. 7

B.10

C.11

D. 12


Use the MS-Excel table below to answer questions 48 to 50





48. The content of cell D3 is

A. 3450

B. 4400

C. 4500

D. 5678


49. The number of cells that contain data in row 1 is

A. 1

B. 3

C. 4

D. 5


50. The number of cells that contains numeric data in the table

A. 1

B. 8

C. 9

D. 12



WASSCE JUNE 2015 COMPUTER STUDIES OBJECTIVE TEST

ANSWERS

​1. B 2. B 3. D 4. C 5. B 6. A 7. C 8. D 9. D 10. B 11. D 12. C 13. D 14. B 15. D 16. D 17. A 18. D 19. B 20. B 21.A 22. B 23. C 24. D 25. C 26. D 27. B 28. A 29. D 30. C 31. B 32. C 33. A 34. D 35. B 36. C 37. D 38. C 39. B 40. A 41.C 42. C 43. C 44. D 45. 46. B 47. C 48. D 49. C 50. C


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