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COMPUTER STUDIES (Objective Questions And Answers)


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THEORY QUESTIONS
WAEC SYLLABUS

WASSCE 2018

Objectives



1. Data can be defined as

A. Raw facts

B. Mixed facts

C. Facts on prints

D. Processed facts


2. Which of the following output device was common among the computing devices of the 19th century?

A. Monitor

B. Plotter

C. Printer

D. Speaker


3. The pre-computing age device which made use of beads and frame is.

A. Abacus

B. Napier’s bone

C. Leibnitz multiplier

D. Burroughs’s counting device


4. The system unit houses the following components except?

A. Plotter

B. Motherboard

C. Floppy disk

D. Central processing unit


5. During program execution in the central processing unit, the instruction is interpreted by the.

A. Arithmetic logic

B. Control unit

C. Memory unit

D. Registers unit


ANSWERS

6. The most important system software in a computer system is the.

A. Control programs

B. Language translator

C. Operating system

D. Utility programs


7. Q BASIC keywords do not include.

A. FIND

B. LET

C. REM

D. STOP


8. An icon, a graphic or a text in a document or a webpage that connects another file or object is called a?

A. Hyperlink

B. Domain name

C. Web browser

D. Web server


9. The largest component in a spreadsheet is.

A. Cell

B. Range

C. Workbook

D. Worksheet


10. Warm boot in computing is the same as.

A. Debugging

B. Handshake

C. Hard Boot

D. Soft Boot


ANSWERS

11. The basic computer operation involves the following except?

A. Access

B. Input

C. Output

D. Process


12. The file that contains historical record is called a.

A. Date file

B. Master file

C. Reference file

D. Transaction file


13. Random file organization is also known as.

A. Direct file organization

B. Indexed file organization

C. Serial file organization

D. Sequential file organization


14. Which of the following options is not a date type?

A. Alphabetic date

B. Alphanumeric date

C. Numeric date

D. Valid date


15. The major components of a computer system are.

A. Firmware and human-ware

B. Hardware and firmware

C. Hardware and software

D. Software and firmware


ANSWERS

16. The largest computer system in terms of processing power is.

A. Laptop

B. Mainframe computer

C. Mini computer

D. Super computer


Figure 1 is a logic gate.





Use it to answer question 17


17. The logic gate represented in figure 1 is called.

A. AND gate

B. NAND gate

C. NOR gate

D. OR gate





18. Identify the logic gate in figure 2.

A. AND gate

B. NAND gate

C. NOR gate

D. OR gate


19. Which of the following programs is an application specific?

A. Coral raw

B. Microsoft Access

C. Ms Access

D. Ms Word


20. The following programs are general purpose application software except?

A. Coral Draw

B. Editor

C. MS Access

D. MS Word


ANSWERS

21. The following are relational operation in Q BASIC programming except?

A. <

B. >

C. ≠

D. =


22. The three levels programming languages are.

A. Assembly Language, low level language and high level language

B. Java, C language and Pascal

C. Machine language, low level language and high level language

D. Machine language, machine code and assembly


23. The following components are network interconnecting device except?

A. Hub

B. Modern

C. Router

D. Webcam.


24. Which of the following network cable offers the highest data transmission speed?

A. Coaxial

B. Fibre optic

C. Telephone line

D. Twisted pair


25. Which of the following option is not an advantage of linear bus topology>

A. It requires less cable length

B. It ensures easy broadcasting

C. Additional nodes can be connected easily

D. Terminators are required at both ends of the date


ANSWERS

26. Which of the following components is data communication equipment? I. Scanner II Hub III Modem

A. I and II only

B. I and III only

C. II and III ONLY

D. I, II and III


27. The speed of data transfer in the computer can be determined in terms of.

A. Protocol and bus speed

B. Bus speed and bus width

C. Bus width and storage media

D. Bus speed and storage media


28. The process of restarting the computer system is known as

A. Cold booting

B. Hard booting

C. Hot booting

D. Warm booting


29. The ASCII character set represent alphabetical and control charter using numeric codes ranging from.

A. O to 124

B. O to 15

C. O to 127

D. O to 128


30. A row in a database table is refried to as.

A. Attribute

B. Data Item

C. Field

D. Record


ANSWERS

31. The conversion of readable data to unreadable codes in order to prevent unauthorized access in known as.

A. Authentication

B. Encryption

C. Encoding

D. Decryption


32. The algebraic equation for the AND gate with input variable A and B is.

A. X = A.B

B. X = A+B

C. X = A-B

D. X = A+B


33. The command line prompts of MS-DOS operating system is represented as.

A. C : >.

B. C: \.

C. C : \>.

D. C \ :>.


34. The process of testing the logic of programs t ensures they give correct result is known as.

A. Algorithm

B. Desk checking

C. Flowcharting

D. Table checking


35. The MS-windows short key to initiate warm booting is.

A. Alt + F4

B. Ctrl + Alt +Del

C. Ctrl + Esc

D. Ctrl + Shift + Del


ANSWERS

36. The number 28ten in binary is.

A. 1001 two

B. 11001 two

C. 110011 two

D. 11100two


37. Which of the following option is a biometric data?

A. Gender

B. Password

C. Date of birth

D. Pattern of eye iris


38. A site engineer intends to acquire a computer system, what Factors will he consider if he must chose a Notebook Computer over a Desktop Computer?

A. Size, cost, and battery life

B. Cost, size, and convenience

C. Size, convenience and battery life

D. Cost, convenience and battery life


Use the logic truth table in figure 3 to answer question 39





39. Given that X and Y are input variable while Z is the output, the Truth table in figure 3 represents.

A. XOR gate

B. EX OR gate

C. NOT gate

D. NAND gate


40. A logic gate contains three input variable. The total possible combination of the input variable is.

A. 3

B. 4

C. 8

D. 12


ANSWERS

41. The following are the guidelines for drawing flowcharts except that it.

A. Must have a logical start and finish

B. Should be clear, neat and easy to follow

C. Should follow a direction of right to left or bottom to top

D. Should follow a direction of left to right or top to bottom.


Use the information below to answer question 42 and 43.


As a computer professional, you have jest been contracted by a school to help them solve the problem that are facing in computing students’ results. The school currently runs on manual system. Time and accuracy of the result are the major concerns.


42. What would you advice the school to do?

A. Automate the system

B. Close down the school

C. Increase the number of staff

D. Buy more calculators for the staff.


43. If you are given the contract, what would by your first step of action?

A. Analyze the results

B. Design a software

C. Investigate the problem

D. Maintain the staff.


44. Which of the following charts does not display the X and Y axes?

A. Bar chart

B. Bubble chart

C. Doughnut chart

D. X, Y, graph


45. The uses of spreadsheet package include?

i. Preparing organization’s logo

ii. Performing sensitivity analysis

iii. Preparing reports for senior management

iv. Preparation of profit forecasts. Which of the following option is true?

A. II and IV only

B. III and IV only

C. I, II, and III only

D. II III and IV only


ANSWERS

46. The common features of formula and function in spreadsheet are?

i. Entry is preceded by = or + symbol

ii. They have fixed formula

iii. They operate with cell addresses

iv. Their results are displayed


Which of the following options is/are true?

A. I II and III only

B. I, III and IV only

C. II,M III and IV only

D. I, II, III and IV only


47. One Megabyte is equivalent to.

A. 1000 x 1024 bytes.

B. 1024 x 1024 bytes.

C. 1024 x 1048 bytes.

D. 1000 x 1000x 1000 bytes.


48. Arrange the following spreadsheet window pars in a hierarchical order by size.

i. Worksheet

ii. Cell

iii. Workbook

iv. Range


A. III, I, and II

B. III, IV, II and I

C. II, III, IV and I

D. IV, I, III and II


49. The statement in Q BASIC that is used to add more record at the end of existing sequential file is.

A. Append

B. Close

C. Input

D. Output


50. Which of the following computer file can be used for updating the master file?

A. Date

B. Program

C. Reference

D. Transaction



WASSCE JUNE 2018 COMPUTER STUDIES OBJECTIVE TEST

ANSWERS

​1. A 2. A 3. A 4. A 5. A 6. C 7. A 8. A 9. C 10. D11. A 12. C 13. B 14. D 15. C 16. B 17. C 18. A 19. D 20. B 21. C 22. C 23. D 24. B 25. A 26. C 27. B 28. A 29. B 30. D 31. B 32. A 33. B 34. B 35. B 36. D 37. D 38. A 39. D 40. C 41. C 42. A 43. C 44. C 45. D 46. B 47. B 48. A 49. B 50. D


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