2023 WAEC (WASSCE) Computer Studies Past Questions & Answers

Question 1

The speed of data transfer can be affected by the following factors except

Accepted Answer

A. address bus width.

Answer

B. broadband status.

Answer

C. data bus width.

Answer

D. clock speed.

Question 2

Personalized form of letters which can be sent to many people can be achieved using

Accepted Answer

B. mail merge.

Answer

A. template.

Answer

C. query

Answer

D. macros

Question 3

A BIOS configuration program that allows a windows user to configure attributes such as password, time and date is called

Accepted Answer

C. CMOS setup.

Answer

A. GRUB

Answer

B. Bootstrap

Answer

D. BIOS drivers.

Question 4

A wait state of zero in hardware means the

Accepted Answer

D. processor and the memory are equally matched in speed.

Answer

A. memory is faster than the processor in terms of speed.

Answer

B. processor speed is higher than that of the memory.

Answer

C. processor speed is lower than that of the memory.

Question 5

The process of making copies of files which can be used to restore the original copy in the event of data loss is called file

Accepted Answer

D. backup

Answer

A. restoration.

Answer

B. retrieval.

Answer

C. organization

Question 6

The unit of the computer system that directs and supervises other units is called the

Accepted Answer

B. control unit.

Answer

A. memory unit.

Answer

C. arithmetic logic unit.

Answer

D. accumulator

Question 7

Which of the following is an example of information?

Accepted Answer

B. Average score of students in a test

Answer

A. Recorded observation

Answer

C. List of items

Answer

D. Student’s score in a test

Question 8

The commands used for adding comments in QBASIC programming is

Accepted Answer

B. REM

Answer

A. PRINT

Answer

C. CLS.

Answer

D. INPUT

Question 9

If today's date is 02/02/2008, what will be the result of typing "=today() - 1" in a cell of a spreadsheet?

Accepted Answer

C. 01/02/2008

Answer

A. 02/01/2008

Answer

B. 01/02/2009

Answer

D. 02/02/2007

Question 10

The database model that uses tables with columns and rows is called

Accepted Answer

B. relational database.

Answer

A. hierarchical database.

Answer

C. network database.

Answer

D. linear database.

Question 11

The software responsible for allocating and managing system resources is called

Accepted Answer

D. operating system.

Answer

A. utility software.

Answer

B. driver

Answer

C. translator.

Question 12

The main distinguishing feature of fifth generation computers is

Accepted Answer

A. artificial intelligence.

Answer

B. versatility.

Answer

C. extremely low cost.

Answer

D. liberal use of microprocessors.

Question 13

The act of translating data into a secret code is known as

Accepted Answer

B. encryption.

Answer

A. piracy.

Answer

C. authentication.

Answer

D. authorization.

Question 14

Which of the following data is alpha-numeric?

Accepted Answer

C. SS3

Answer

A. 568

Answer

B. 10.00

Answer

D. Twenty-five

Question 15

During the booting process in Windows, the Master Boot Record is loaded by the

Accepted Answer

A. BIOS .

Answer

B. Init.

Answer

C. Kernel

Answer

D. GRUB

Question 16

The following are functions of database management system except

Accepted Answer

A. format operation.

Answer

B. rule enforcement.

Answer

C. security of data.

Answer

D. backup and replication.

Question 17

The first attempt at using the punch card principle to do mathematical calculations led to the invention of

Accepted Answer

B. Charles Babbage Analytical Engine

Answer

A. Napier’s bone

Answer

C. Charles Babbage Difference Engine

Answer

D. Abacus

Question 18

Viruses, worms and Trojan horses are regarded as

Accepted Answer

B. malicious software.

Answer

A. system software.

Answer

C. application software.

Answer

D. utility software.

Question 19

Which of the following commands can be used to switch between open window?

Accepted Answer

B. Alt + Tab

Answer

A. Alt + F4

Answer

C. Ctrl + F

Answer

D. Ctrl + D

Question 20

Datatypes in QBASIC programming language include the following except

Accepted Answer

D. long.

Answer

A. double

Answer

B. short

Answer

C. float.

Question 21

The set of instructions used to solve specific user tasks is called

Accepted Answer

D. application software.

Answer

A. editor

Answer

B. utility software.

Answer

C. system software

Question 22

An input device that converts an image into a text is known as

Accepted Answer

D. optical character reader.

Answer

A. scanner.

Answer

B. optical mark reader.

Answer

C. barcode reader.

Question 23

The LET statement in QBASIC

Accepted Answer

A. allows users to assign a value to a variable.

Answer

B. allows the users to enter data into the computer during program execution.

Answer

C. checks the errors within the code.

Answer

D. allows the users to enter data into the computer from

Question 24

A good algorithm must be

Accepted Answer

D. concise and finite.

Answer

A. detailed and verbose.

Answer

B. sequential and lengthy.

Answer

C. consistent and continuous.

Question 25

Which of the following actions is not an animation in Microsoft PowerPoint?

Accepted Answer

D. Dancing

Answer

A. Entrance

Answer

B. Emphasis

Answer

C. Motion paths

Question 26

An opening on the motherboard of a system unit where expansion cards can be inserted is known as

Accepted Answer

D. expansion slot.

Answer

A. expansion port.

Answer

B. extension box.

Answer

C. extension board.

Question 27

The https in the web address, https://waec.org.ng, is called a

Accepted Answer

B. protocol.

Answer

A. web page.

Answer

C. hostname.

Answer

D. file path.

Question 28

The usage of the keys CTRL + W in Ms Word

Accepted Answer

A. closes the current window.

Answer

B. updates the current web page.

Answer

C. opens the print dialogue box.

Answer

D. saves the current file.

Question 29

The following are effects of file insecurities except

Accepted Answer

B. data use.

Answer

A. file corruption.

Answer

C. data loss.

Answer

D. data overwriting.

Question 30

The central processing unit consists of

Accepted Answer

C. control unit, arithmetic logic unit and primary storage.

Answer

A. control unit, primary storage and secondary storage.

Answer

B. input, output and processing.

Answer

D. control unit, processing and primary storage.

Question 31

The BCD equivalent of 135 is

Accepted Answer

C. 000100110101

Answer

A. 100110101

Answer

B. 001011101

Answer

D. 111101

Question 32

The technology used for first generation computers was

Accepted Answer

D. vacuum tubes.

Answer

A. integrated circuit.

Answer

B. microprocessors

Answer

C. transistors.

Question 33

Stored instructions and data in digital computer consist of

Accepted Answer

A. bits.

Answer

B. numerals.

Answer

C. alphabets

Answer

D. characters.

Question 34

The process of converting data into information is known as data

Accepted Answer

B. processing

Answer

A. collation

Answer

C. analysis

Answer

D. collection

Question 35

Input devices are computer devices that can

Accepted Answer

A. send data and instructions into the computer memory.

Answer

B. be used to get data from the computer.

Answer

C. send results to the memory of the computer.

Answer

D. receive data and instructions from the computer memory.

Question 36

The command used to seek for assistance in Microsoft disk operating system is

Accepted Answer

C. /?

Answer

A. Attrib

Answer

B. /S

Answer

D. Helper.

Question 37

Headers and footers are used in Microsoft Word documents to

Accepted Answer

B. allow text to appear at the top and bottom of every page.

Answer

A. enhance the overall appearance of the document.

Answer

C. make large document more readable.

Answer

D. allow test to appear at the top of the first page.

Question 38

A file organization in which the records are stored in the order in which they occur is called

Accepted Answer

B. serial file.

Answer

A. indexed file.

Answer

C. sequential file.

Answer

D. random file.

Question 39

The transmission method that allows data transmission to multiple computers on a network without addressing all the computers is called

Accepted Answer

C. multicast

Answer

A. unicast

Answer

B. broadcast

Answer

D. switch

Question 40

Which of the following QBASIC arithmetic operations is the last in order of precedence?

Accepted Answer

A. Subtraction

Answer

B. Addition

Answer

C. Division

Answer

D. Exponentiation

Question 41

An advantage of bus topology over star topology is that

Accepted Answer

D. it requires less cable length than star topology

Answer

A. it is stronger than star topology.

Answer

B. it is more expensive than star topology.

Answer

C. its component are easily removed compared to star topology.

Question 42

Which of the following IP addresses can be used to access a locally running website on a user's computer?

Accepted Answer

B. 127.0.0.1

Answer

A. 127.1.0.1

Answer

C. 1.172.0.0

Answer

D. 172.0.0.0

Question 43

The process of transferring a file from a server to a computer is called

Accepted Answer

C. downloading.

Answer

A. pinging

Answer

B. browsing.

Answer

D. uploading.

Question 44

The radix of hexadecimal number system is

Accepted Answer

C. 16

Answer

A. 10

Answer

B. 2

Answer

D. 8

Question 45

A program that converts source code instructions in high-level programming language to object codes line by line is known as

Accepted Answer

A. interpreter.

Answer

B. compiler.

Answer

C. editor

Answer

D. assembler.

Question 46

Machine language instruction codes are expressed in

Accepted Answer

D. binary

Answer

A. hexadecimal

Answer

B. EBCDIC

Answer

C. ASCII

2023 WAEC (WASSCE) Computer Studies Past Questions

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