2024 WAEC (WASSCE) Computer Studies Past Questions & Answers

Question 1

In computer programming, it is advised to translate source code into intermediate code to

Accepted Answer

C. make it easier to apply the source code modifications to improve code performance.

Answer

A. change the analysis portion for different compilers.

Answer

B. ensure that full native compiler is used for every new machine that will run the program.

Answer

D. make the synthesis part of the compiler target-machine dependent.

Question 2

Columns in MS Access are referred to as

Accepted Answer

A. fields.

Answer

B. files.

Answer

C. records.

Answer

D. tuples.

Question 3

MS Access is an example of

Accepted Answer

D. database management system.

Answer

A. Word processing package.

Answer

B. spreadsheet application.

Answer

C. graphic software.

Question 4

One example of a file containing reference data which is usually altered is

Accepted Answer

C. price list.

Answer

A. brand name.

Answer

B. payroll.

Answer

D. stock.

Question 5

Which of the following features of information is not important for meaningful decision?

Accepted Answer

B. Competitiveness

Answer

A. Accuracy

Answer

C. Completeness

Answer

D. Timeliness

Question 6

Set of characters used to authenticate a computer user is called

Accepted Answer

C. password.

Answer

A. encoder.

Answer

B. binary code.

Answer

D. barcode.

Question 7

Instant messages can be sent with little or no tine lag using

Accepted Answer

D. chat room,

Answer

A. podcast.

Answer

B. facsimile.

Answer

C. email.

Question 8

Figure 7 represents a procedure to

Accepted Answer

D. update software on a device.

Answer

A. backup files on a computer.

Answer

B. repair a corrupted file on a computer.

Answer

C. transfer files from one device to another.

Question 9

Figure 4 is a flowchart symbol. Use it to answer questions this question. Identify the flowchart symbol in Figure 4.

Accepted Answer

B. Manual input

Answer

A. Decision box

Answer

C. Preparation

Answer

D. Process

Question 10

Using the given values of X and Y for the device in Figure 1, what will be the value of the output Z if it is passed through the device in Figure 2?   X  Y  0  0  1  1  0  1  0  1

Accepted Answer

B. 0110

Answer

A. 0001

Answer

C. 0111

Answer

D. 1000

Question 11

Read Only Memory (ROM) contains

Accepted Answer

B. preset instructions for operation.

Answer

A. current program in operation.

Answer

C. user instructions.

Answer

D. volatile programs.

Question 12

30. New comment can be added to a cell in MS Excel by using the procedure

Accepted Answer

D. Review→ Comment.

Answer

A. Edit → Comment.

Answer

B. File → Comment.

Answer

C. Insert→ Comment.

Question 13

Which of the following statements is true about the rules of flowcharting?

Accepted Answer

A. All boxes of flowcharts are connected with arrows to show the logical connection between them.

Answer

B. All flowchart process boxes are connected with on page connector to show the flow of operation.

Answer

C. All flowcharts start with a start box and end with a decision box

Answer

D. The low of control must always enter an object from bottom to top

Question 14

Which of the following statements about warm booting is true? The computer

Accepted Answer

C. reloads the operating system into memory while still running.

Answer

A. reloads the operating system while still running in the background.

Answer

B. loads the operating system into memory from the power-on button.

Answer

D. loads the application into memory from rest state.

Question 15

If the input variable Y in Figure 1 is passed through the device in Figure 2 before going into the logic gate in Figure 1, compute the resulting value of the output at Z.   X  Y  0  0  1  1  0  1  0  1

Answer

A. 0111

Answer

B. 1011

Answer

C. 1101

Answer

D. 110

Question 16

An automatic system is one that

Accepted Answer

D. requires little or no human intervention to work.

Answer

A. is operated using sophisticated skills.

Answer

B. needs fuel before it can. be operated by humans.

Answer

C. performs different kinds of tasks diligently.

Question 17

A user observed that a certain file in a removable storage device changed to a shortcut icon. This implies that

Accepted Answer

D. there is a link to the file.

Answer

A. the file is corrupt.

Answer

B. the file is shared.

Answer

C. the removable storage device is corrupt.

Question 18

What happens when the Shift key is pressed down while deleting a file from the computer? The file is

Accepted Answer

B. permanently deleted from the computer.

Answer

A. un- installed from the computer.

Answer

C. deleted and sent to the Recycle Bin.

Answer

D. deleted and kept in the clipboard.

Question 19

Debugging in program development is the process of

Accepted Answer

A. fixing errors.

Answer

B. introducing bugs.

Answer

C. removing virus.

Answer

D. writing error messages.

Question 20

The ASCII character set represents alphabetical and control characters using numeric code ranging from

Accepted Answer

C. 0 to 127.

Answer

A. 0 to 32.

Answer

B. 0 to 64.

Answer

D. 0 to 128.

Question 21

Addition and subtraction of numbers in Abacus are done using

Accepted Answer

B. beads.

Answer

A. bars.

Answer

C. frame.

Answer

D. string.

Question 22

Instructions were written to the first generation computers using

Accepted Answer

C. machine language.

Answer

A. assemblers.

Answer

B. low level language.

Answer

D. mnemonics

Question 23

Which of the following statements about firewall is correct?

Accepted Answer

B. A network security system that establishes a barrier between a trusted internal network and an untrusted external network such as the Internet

Answer

A. A network transmission system that increases the speed of incoming and outgoing network traffic

Answer

C. A data structure that improves the speed of data retrieval operations on a database table

Answer

D. A data structure created using only two rows of a database table used to uniquely identify each record

Question 24

Which of the following statements is true about data?

Accepted Answer

A. Information is a product of data while knowledge is a product of information

Answer

B. Data produces knowledge while knowledge produces information

Answer

C. Data is a product of information while knowledge is a product of data

Answer

D. Knowledge produces information while in- formation produces data

Question 25

Figure 4 is a flowchart symbol. Use it to answer questions this question.   The flowchart symbol in Figure 4 is used to

Accepted Answer

A. show the preparation stage.

Answer

B. represent a decision-making point.

Answer

C. input data manually in a flowchart.

Answer

D. execute a process.

Question 26

One usefulness of utility software in the computer is

Accepted Answer

C. removal of malware from the computer.

Answer

A. conversion of source code to object code.

Answer

B. enhancement of communication between hardware and the computer system.

Answer

D. to improve the functionality of hardware devices.

Question 27

Which of the following statements about index is true? It is a data structure

Accepted Answer

B. used to quickly locate data without searching every row in a table every time a database table is accessed.

Answer

A. that reduces the speed of data retrieval operations on a database table.

Answer

C. created using only two rows of a database table to uniquely identify each record.

Answer

D. that allows relational database to split and store data in different tables, while linking disparate items.

Question 28

Which of the following statements about operating system is false? It

Accepted Answer

D. protects the computer from surge.

Answer

A. enhances the booting process.

Answer

B. manages computer devices.

Answer

C. manages storage location.

Question 29

Which of the following statements explains the function of device drivers? They

Accepted Answer

D. help to improve the functionality of hardware devices.

Answer

A. convert source code to object code.

Answer

B. enable hardware and software control and manage the system.

Answer

C. help to clean disk space and manage installation of applications.

Question 30

An internet user secures his social  media account by regularly changing passwords. Which of the following passwords produces the best security?

Accepted Answer

D. WASSCESchool-Candidates(@2024

Answer

A. wasscesc2024

Answer

B. WASSCESC2024

Answer

C. 2024wasscesc

Question 31

The equivalent of the letter A in the standard ASCII is

Accepted Answer

A. 01000001

Answer

B. 01000010

Answer

C. 01100001

Answer

D. 01100010

Question 32

A collection of computer wires used to identify memory location in a computer is

Accepted Answer

D. address bus.

Answer

A. system bus.

Answer

B. data bus.

Answer

C. data cable.

Question 33

Which of the following hard disk drive memory capacities can store the largest size of data?

Accepted Answer

A. 2TB

Answer

B. 12GB

Answer

C. 240MB

Answer

D. 800K

Question 34

The computer's short-term memory is the

Accepted Answer

D. random access memory.

Answer

A. arithmetic logic unit.

Answer

B. arithmetic operator.

Answer

C. control unit.

Question 35

The art of checking for errors in a Word document before publishing is referred to as

Accepted Answer

D. proof reading.

Answer

A. editing.

Answer

B. formatting.

Answer

C. modifying.

Question 36

Which of the following statements is true about preventing phishing?

Accepted Answer

B. Do not click on links in emails from untrusted sources

Answer

A. Insure that antivirus is updated regularly

Answer

C. Do not download from untrusted sites

Answer

D. Use a strong password at all times

Question 37

Which of the following logic devices is considered as equivalent gate?

Accepted Answer

B. EX-NOR

Answer

A. AND

Answer

C. EXOR

Answer

D. NOR

Question 38

In using the slide rule, multiplication that goes off the scale can be corrected by the following approaches except

Accepted Answer

C. using flat scales.

Answer

A. resetting the slide.

Answer

B. using circular slide rule.

Answer

D. using folded scales.

Question 39

A The equation x =p + qr +s) can be expressed in Q BASIC programming

Accepted Answer

B. X = P + Q* (R\S)

Answer

A. X = P + Q* = $\frac{R}{S}$

Answer

C. X = P x Q (R\S)

Answer

D. X = P + Q = $\frac{R}{S}$

Question 40

The part labeled Q in Figure 3 is called

Accepted Answer

B. data bus.

Answer

A. control unit.

Answer

C. memory unit.

Answer

D. register.

Question 41

Which of the following statements is true about intranet?

Accepted Answer

B. Private network that uses internet protocol and is accessible by employees of an organization

Answer

A. Private network that uses internet protocol and is accessible by all visitors to an organization's website

Answer

C. Private network which does not use internet protocol and is accessible by employees of an organization

Answer

D. Public network that uses internet protocol and is accessible by all visitors to an organization's website

Question 42

Which of the following statements is true about star topologies?

Accepted Answer

B. Computers are connected to a central device

Answer

A. Computers are connected node-to-node

Answer

C. The connection is linear in shape

Answer

D. The connection is a tree-like structure

Question 43

Which of the following operations will be executed last in a program?

Accepted Answer

A. Addition

Answer

B. Division

Answer

C. Exponentiation

Answer

D. PEMDAS

Question 44

Which of the following application packages is suitable for making budgets?

Accepted Answer

B. Spreadsheet package

Answer

A. Word processor

Answer

C. Graphic package

Answer

D. Database Management System

Question 45

The microprocessor that controls a washing machine is known as

Accepted Answer

C. embedded computer.

Answer

A. bot.

Answer

B. console.

Answer

D. mainframe computer.

Question 46

A graphic or text in a document or web page that links to another file or object is referred to

Accepted Answer

B. a hyperlink.

Answer

A. a domain name.

Answer

C. a shortcut.

Answer

D. an icon.

Question 47

What happens when a user clicks on the icon in Figure 5 on the Microsoft Excel menu bar?

Accepted Answer

B. A label that spans multiple columns is created

Answer

A. copy of the selection is put on the clipboard so that user can paste somewhere else

Answer

C. Content on the clipboard is added to the document

Answer

D. Selected range of cells is quickly converted to a table with its own style

2024 WAEC (WASSCE) Computer Studies Past Questions

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