2016 WAEC (WASSCE) Computer Studies Past Questions & Answers

Question 1

The parts of the taskbar include: I recycle bin Il start button lII system tray IV quick launch toolbar

Accepted Answer

C. II, Il and IV only

Answer

A. I, I and IV only

Answer

B. I, Ill and IV only

Answer

D.  I, II, III and IV

Question 2

Trap doors and bombs are typical examples of?

Accepted Answer

D. trojan horses

Answer

A.  adware

Answer

B.  computer worms

Answer

C.  firewall

Question 3

The illegal copying and use of proprietary/copy righted software is called?

Accepted Answer

D. software piracy.

Answer

A.  hacking

Answer

B. spamming

Answer

C.  hardware piracy

Question 4

The similarities between main memory and registers is that they are: I volatile Il under the direct control of the user ll protected by the system unit lIV for system use only?

Accepted Answer

B.  I, Ill and IV only

Answer

A. I, II and IV only

Answer

C.   II, Ill and IV only

Answer

D. I, I, Ill and IV

Question 5

Which of the following networks can be extended to cover continents?

Accepted Answer

C. Wide Area Network

Answer

A. Metropolitan Area Network .

Answer

B. Personal Area Network

Answer

D.  Wireless Area Network

Question 6

Which of the following can a traveler who finds himself in a new environment rely on for direction to his final destination?

Accepted Answer

C.  GPS

Answer

A. DNS

Answer

B.  GPRS

Answer

D.  TCP

Question 7

The smallest unit of information representation which is addressable on the computer memory is?

Accepted Answer

D. 8 bits

Answer

A.  1 bit

Answer

B.  2 bits

Answer

C.  4 bits

Question 8

A pictorial representation of the logic of a program is called?

Accepted Answer

B. flowchart

Answer

A.  diagram

Answer

C. pseudo code

Answer

D. software

Question 9

Which of the following is true about raw data?

Accepted Answer

D.  It cannot be relied on to make decision.

Answer

A. It is well categorized

Answer

B.  It exists in oral form only

Answer

C. It exists in written form only

Question 10

Use the BASIC program below to answer this question 10 LET K = 2 20 LET L = 9 30 LET SUM = 0 40 FOR J = K TO STEP 2 50 SUM = SUM + J2 60 PRINT "ANSWER =", SUM 70 NEXT J 80 END The last output that will be displayed by the program is

A. 20
B.36
C.64
D.120

Show answer

Answer: D. 120

Get a step-by-step AI explanation in the app Get a step-by-step AI explanation in the app

Accepted Answer

D. 120

Answer

A.  20

Answer

B. 36

Answer

C. 64

Question 11

Data to be processed by the microprocessor is temporarily stored in the?

Accepted Answer

D. random access memory.

Answer

A. auxiliary storage

Answer

B. backing storage

Answer

C. main storage

Question 12

Arrange in a hierarchical order by date, the following inventions: I. slide rule; Il. pascaline; IIl, analytical engine; v. difference engine.

Accepted Answer

A. I, lI, IV and llI

Answer

B.  II, IV, and Il

Answer

C.  III, IV, II and I

Answer

D. I, II, IIl and IV.

Question 13

A common communication pathway shared by hard- ware components in the computer is called?

Accepted Answer

A.   bus

Answer

B.  channel

Answer

C.  firmware

Answer

D.   register.

Question 14

The main advantage of intellectual property right is?

Accepted Answer

D. encouragement of innovations.

Answer

A. maximization of profit

Answer

B. discovering of brilliant persons

Answer

C.  discovering of sharing

Question 15

Symptoms of computer virus attack include: I improved processing speeds; Il drive light coming up without apparent reason; Ill unexplainable printer activity; IV the disappearance or strange files appearance on the screen

Accepted Answer

C.   II, IIl, and IV only

Answer

A. l, Il and Ill only

Answer

B. I, Ill and IV only

Answer

D. I, II, Ill and IV

Question 16

In a database, a primary key is a field which contains?

Accepted Answer

B. unique entries

Answer

A.  text only

Answer

C.  duplicate values

Answer

D. numeric value only.

Question 17

The software whose output is intended for the human user is called?

Accepted Answer

A. application software

Answer

B.  firmware

Answer

C. malware

Answer

D. system software

Question 18

A subroutine is called in a flowchart through the use of?

Accepted Answer

B.  predefined process

Answer

A.  data

Answer

C. process

Answer

D. terminator

Question 19

Which of the following is a temporary file that can be used only once and then discarded?

Accepted Answer

D. Transaction file

Answer

A.  Refresh file

Answer

B. Master file

Answer

C. System file

Question 20

Identify the browsers in the following list: I telnet II netscape navigator.ll opera IV mozilla firefox

Accepted Answer

C. Il, Ill and IV,only

Answer

A. I, lI and lll only

Answer

B. I, ll and IV only

Answer

D.  I, II, IIl and IV

Question 21

Which of the following can be described as the brain of the computer hardware?

Accepted Answer

B. microprocessor

Answer

A.  BIOS

Answer

C.  RAM chip

Answer

D.  system clock

Question 22

The initial screen that is displayed after a computer booting is referred to as?

Accepted Answer

A. desktop

Answer

B. interface

Answer

C. software

Answer

D. taskbar

Question 23

The decimal number 1024 in hexadecimal equivalent is?

Accepted Answer

B.  400

Answer

A.  24

Answer

C.  3E8

Answer

D. 8BB

Question 24

Use the BASIC program below to answer questions 23 to 25 10 LET K = 2 20 LET L = 9 30 LET SUM = 0 40 FOR J = K TO STEP 2 50 SUM = SUM + J $^2$ 60 PRINT "ANSWER =", SUM 70 NEXT J 80 END How many times will the statement lines 50 and 60 be repeated?

A.2
B.3
C.4
D.5

Show answer

Answer: C. 4

Get a step-by-step AI explanation in the app Get a step-by-step AI explanation in the app

Accepted Answer

C. 4

Answer

A. 2

Answer

B. 3

Answer

D. 5

Question 25

Principal uses of word processing software packages include: I preparing deft articles for publication ll pre- paring reports for top management Ill preparing accounts IV preparing organizations' newsletter.

Accepted Answer

B. I, II and IV only

Answer

A.  I, III and IV only

Answer

C.  II, III and IV only

Answer

D.  I, II, IIl, and IV.

Question 26

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

Accepted Answer

B.   bus speed and width

Answer

A. protocol and bus speed

Answer

C. bus speed and storage media

Answer

D. bus width and storage media.

Question 27

Which of the following best represents the sequence of output from the program?

Accepted Answer

B. 4, 20, 36

Answer

A. 2,4

Answer

C. 4, 16, 36, 64

Answer

D. 4, 20, 56, 120

Question 28

A suitable BASIC notation for the expression mc$^2$ is?

Accepted Answer

A.  m * c^2

Answer

B.  m * c * 2

Answer

C.  m * c

Answer

D.  m * c * $^2$

Question 29

Which of the following is not a biometric data?

Accepted Answer

B. password

Answer

A. finger prints

Answer

C.  pattern of eye iris

Answer

D.  sound of the voice.

Question 30

Software is referred to as the?

Accepted Answer

A.  generic term for computer programs

Answer

B.  physical components of the computer

Answer

C. part of the computer for communication

Answer

D.  part of the computer which is breakable.

Question 31

When a worksheet is deleted from a workbook, it is?

Accepted Answer

A.   lost forever

Answer

B. sent to the recycle bin

Answer

C. sent to the original folder

Answer

D. stored permanently in main memory.

Question 32

The two main components of a radio communication system are?

Accepted Answer

C. transmitter and receiver

Answer

A.  transmitter and terminal

Answer

B.  receiver and determinator

Answer

D.  transmitter and terminator.

Question 33

The first four steps required to open e-mail account include: I click on "Create my account" II go to home page of the service provider lll click "create new account" IV click on "mail"

Accepted Answer

C.  II, IV, Ill and I

Answer

A.  I, II, IV and III

Answer

B.  I, II, IV and Il

Answer

D.  IV, II, I, and Ill.

Question 34

Converting 4B7$_16$ to binary?

Accepted Answer

B. 0100 1011 0111,

Answer

A. 0100 1010 0111

Answer

C. 0100 1000 0111,

Answer

D.   0100 1100 0111

Question 35

Which of the following was used by Joseph Marie Jacquad in inventing the Loom?

Accepted Answer

A. Punched card

Answer

B. Smart card

Answer

C. Smart chip

Answer

D.  Sound card.

Question 36

Which generation of computers used vaccum tubes in their circuitry?

Accepted Answer

A. First generation

Answer

B.  Second generation

Answer

C. Third generation

Answer

D. Fourth generation.

Question 37

The word bit refers to?

Accepted Answer

A.  the value zero or one

Answer

B. the value zero of more

Answer

C. central processing unit command

Answer

D. central processing unit instructions.

Question 38

One megabyte is equivalent to?

Accepted Answer

A. one million bytes

Answer

B.  two million bytes

Answer

C.  three million bytes

Answer

D.  four million bytes

Question 39

Which of the following is true of a digital logic gate? .

Accepted Answer

C.  It has at least one or more inputs but only one output.

Answer

A.  It has at least two inputs but only one output.

Answer

B.  It has many outputs and inputs.

Answer

D.  It has at least one input and two outputs

Question 40

The primary memory of the computer can be divided into?

Accepted Answer

D. random access memory and read only memory.

Answer

A.    register and random access memory

Answer

B.  mass storage and read only memory

Answer

C. volatile memory and auxiliary memory

Question 41

A block of text that is marked by the tab key when the enter key is pressed can be referred to as?

Accepted Answer

B.   paragraph

Answer

A.  margin

Answer

C. white space

Answer

D.  word wrap

Question 42

The symbol used to represent an execution flow in a flowchart is?

Accepted Answer

D. D

Answer

A. A

Answer

B. B

Answer

C. C

Question 43

The first calculating device is the?

Accepted Answer

A.  Abacus

Answer

B.   Census machine

Answer

C.  Difference engine

Answer

D. Napier bones.

Question 44

The default number of sheets of a workbook is?

Accepted Answer

C.  three

Answer

A.  one

Answer

B. two

Answer

D. four

Question 45

Which of the following is not a computer output device?

Accepted Answer

A.  Disk

Answer

B. Plotter

Answer

C. Printer

Answer

D.  Speaker

Question 46

The chart type that does not have the X and Y axis display is the?

Accepted Answer

C.  pie chart

Answer

A.  area chart

Answer

B.   bar chart

Answer

D.  scatter diagram

Question 47

Which of the following represents features of a computer? I. It is constructed from electronics components. II. It has self regeneration capability. IlI. It has facility for storage of data and programs. IV. It has provision for input and output data.

Accepted Answer

C. I, IIl and IV only

Answer

A. I, Il and ll only

Answer

B. I, II and IV only

Answer

D. II, Ill and IV only.

Question 48

The full meaning of the acronym ENIAC is?

Accepted Answer

B.  Electronic Numerical Integrator and Computer

Answer

A. Electronic Numerical Integrator and Calculator.

Answer

C. Electronic Numerical Integration Automatic Calculator

Answer

D. Electronic Numerical Integrated Automatic Calculator

Question 49

Sorting of records is sufficient and a necessary condition for creating?

Accepted Answer

C.  sequential file

Answer

A.  random file

Answer

B.  indirect file

Answer

D.   indexed sequential file.

2016 WAEC (WASSCE) Computer Studies Past Questions

Questions

Frequently asked questions

How do I prepare for WAEC (WASSCE) Computer Studies?

Where can I find WAEC (WASSCE) Computer Studies past questions?

How close is the DeeepSolve CBT simulator to the real WAEC (WASSCE)?

Are the AI explanations accurate?