Computer Studies past questions: WAEC SSCE 2025

49 objective questions, with answers. Free to read and practise.

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49 questions, one at a time, marked as you go or at the end. No account needed.

1.
A = 10, B = 11, C = 12, D =13, E = 14, F = 15 B, D, F = 11, 13, 15, respectively. In the hexadecimal number system, B, D, F represent
1. A.11, 12, 13 respectively
2. B.13, 14, 15 respectively
3. C.11, 13, 15 respectively
4. D.14, 16, 17 respectively
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Answer: C 11, 13, 15 respectively
2.
A major function of system software is
1. A.collection of files
2. B.translation of machine language into machine code
3. C.file management
4. D.arrangement of files in ascending order
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Answer: C file management
3.
A modem and a telephone connection are provided. Other things needed to be able to connect a computer to the internet are
1. A.ISP account and utility software
2. B.browser and printer
3. C.browser and ISP account
4. D.ISP account and network
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Answer: C browser and ISP account
4.
A similarity between data and information is that both
1. A.Can be displayed on the monitor
2. B.Are computer inputs
3. C.Are processed facts
4. D.Are computer results
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Answer: A Can be displayed on the monitor
5.
An advantage of sequential access over serial access is that
1. A.individual records can be located more quickly
2. B.sequential file does not use key
3. C.sequential file is slow
4. D.sequential file is detailed
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Answer: A individual records can be located more quickly
6.
An advantage of the Graphical User Interface (GUI) over the Disk Operating System (DOS) is that it allows the use of
1. A.mouse
2. B.monitor
3. C.keyboard
4. D.diskette
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Answer: A mouse
7.
Evaluate the BASIC statement LET Z = 4*W2 + 2*y given that W = 5 and Y = 10.
1. A.50
2. B.120
3. C.8
4. D.100
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Answer: B 120
8.
Fig 1 is a logic gate; use it to answer these questions. Fig 1 represents?
1. A.a NAND gate
2. B.an AND gate
3. C.a NOT gae
4. D.an OR gate
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Answer: D an OR gate
9.
Fig 3 is a flow chart. Use it to answer this question The part labelled I represents?
1. A.read/write symbol
2. B.begin/start symbol
3. C.stop/end symbol
4. D.process/action symbol
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Answer: A read/write symbol
10.
Fig. 2 is a System Development Cycle. Use it to answer this question The path labeled II is the
1. A.feasibility study
2. B.system implementation
3. C.system design
4. D.study review
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Answer: C system design
11.
Given that 2610 = (X)2, X is
1. A.11110
2. B.10111
3. C.11011
4. D.11010
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Answer: D 11010
12.
In a computer, the set of instructions that directs it in performing a particular task is called
1. A.information
2. B.program
3. C.data
4. D.file
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Answer: B program
13.
In changing the storage location of a file, the command to use is
1. A.'save as' command
2. B.Alt + f, then save
3. C.ctrl + S keys
4. D.'save' command
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Answer: A 'save as' command
14.
In Fig. 1, X, Y, and Z represent
1. A.output, output and input signals
2. B.output, input and output signals
3. C.input, output and input signals
4. D.input, input and output signals
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Answer: D input, input and output signals
15.
In ring topology, the computer that is allowed to transmit data possesses the .
1. A.data
2. B.token
3. C.packet
4. D.access method
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Answer: B token
16.
In word processing, the icon in Fig. 4 is used for
1. A.numbering
2. B.line spacing
3. C.bulleting
4. D.paging
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Answer: A numbering
17.
The acronym HTTP stands for
1. A.Higher Text Transfer Protocol
2. B.Hard Text Transfer Protocol
3. C.Hyper Text Transfer Protocol
4. D.Higher Transfer Text Protocol
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Answer: D Higher Transfer Text Protocol
18.
The application software that allows information available on the internet to be obtained is called
1. A.spreadsheet
2. B.internet protocol
3. C.browser
4. D.World Wide Web
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Answer: C browser
19.
The computer hardware can be classified into
1. A.ALU and Control Unit
2. B.System Unit and Peripheral Central Processing Unit and Control Unit
3. C.Input and Output Units
4. D.Central Processing Unit and Control Unit
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Answer: B System Unit and Peripheral Central Processing Unit and Control Unit
20.
The computing devices invented by Charles Babbage are
1. A.Difference Engine and Abacus
2. B.Analytical Engine and Slide Rule
3. C.Abacus and Slide Rule A
4. D.Analytical and Difference Engines
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Answer: D Analytical and Difference Engines
21.
The conversion of 110012 to base 10 equals
1. A.30
2. B.20
3. C.25
4. D.28
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Answer: C 25
22.
The first calculator was built by ?
1. A.Marie Jacquad
2. B.Charles Babbage
3. C.Blaise Pascal
4. D.John Napier
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Answer: C Blaise Pascal
23.
The instruction fetched into the CPU is decoded by the
1. A.ALU
2. B.primary memory
3. C.program counter
4. D.Control Unit
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Answer: D Control Unit
24.
The most cost-effective and secure way of transmitting confidential messages among the employees of an organization is the
1. A.social networks
2. B.electronic notice boards
3. C.e-mail
4. D.teleconferencing
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Answer: C e-mail
25.
The number of cells in row 1 in the image above is?
1. A.1
2. B.5
3. C.3
4. D.7
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Answer: B 5
26.
The outcome of processed data in a computer is known as
1. A.Raw fact
2. B.Information
3. C.Database
4. D.Computer result
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Answer: B Information
27.
The part labeled II represents?
1. A.decision symbol
2. B.stop/end symbol
3. C.read/write symbol
4. D.process symbol
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Answer: D process symbol
28.
The Part labeled III represents?
1. A.decision symbol
2. B.stop symbol
3. C.read/write symbol
4. D.process/action symbol
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Answer: A decision symbol
29.
The path labeled III is the
1. A.study review
2. B.feasibility study
3. C.system design
4. D.system implementation
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Answer: D system implementation
30.
The process of restarting a computer is known as
1. A.cold booting
2. B.resume booting
3. C.warm booting
4. D.restart booting
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Answer: C warm booting
31.
The property of a disk that determines the amount of data it may contain is
1. A.size
2. B.volume
3. C.storage capacity
4. D.storage power
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Answer: C storage capacity
32.
The transaction file can also be described as
1. A.master file
2. B.reference file
3. C.historical file
4. D.movement file
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Answer: D movement file
33.
The use of electronic systems to send an unsolicited e-mail to someone's address is known as
1. A.spamming
2. B.internet fraud
3. C.hacking
4. D.piracy
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Answer: A spamming
34.
Use Table 3 to answer this question. Which of the cells in Table 3 contains numeric data with the least value?
1. A.A5
2. B.C5
3. C.B5
4. D.D5
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Answer: C B5
35.
Use the table above to answer this question. In Table 3, the content of cell 5 is?
1. A.3450
2. B.4400
3. C.2456
4. D.4009
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Answer: D 4009
36.
Which of the following computing devices did not exist in the pre-computing age to the 19th century?
1. A.Napiers bone
2. B.Abacus
3. C.ENIAC
4. D.Slide Rule
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Answer: D Slide Rule
37.
Which of the following devices is not a microcomputer?
1. A.Notebook
2. B.Laptop
3. C.EDVAC
4. D.Desktop
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Answer: C EDVAC
38.
Which of the following ideals is protected by copyright?
1. A.Profit
2. B.inexperience
3. C.Ideas
4. D.Expression of Ideas
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Answer: D Expression of Ideas
39.
Which of the following is employed in the transfer of data between computers and a network?
1. A.USB Port
2. B.Female connector
3. C.Fiber optic
4. D.Male connector
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Answer: C Fiber optic
40.
Which of the following is not an output device?
1. A.Plotters
2. B.Speakers
3. C.Projectors
4. D.Webcams
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Answer: D Webcams
41.
Which of the following items best describes the term hard copy?
1. A.Print out
2. B.Written on a hard board
3. C.Information stored on a hard disk
4. D.Amount of data
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Answer: A Print out
42.
Which of the following items is not located on the MS Word menu bar?
1. A.view
2. B.Open
3. C.Home
4. D.Mailings
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Answer: B Open
43.
Which of the following methods is not suitable for securing files?
1. A.Saving documents without a password
2. B.Use of back up
3. C.Use of antivirus
4. D.Proper labelling of storage devices
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Answer: A Saving documents without a password
44.
Which of the following programming languages needs no translator for it to run?
1. A.Assembly Language
2. B.Machine Language
3. C.High Level Language
4. D.Low Level Language
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Answer: B Machine Language
45.
Which of the following signifies the correct association between a hardware component and its function?
1. A.Hard disk to processing
2. B.Mouse to input
3. C.CPU to storage
4. D.Monitor to print
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Answer: B Mouse to input
46.
Which of the following software can be used for graphic production?
1. A.Acrobat reader
2. B.PC writer
3. C.DOS editor
4. D.Corel draw
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Answer: D Corel draw
47.
Which of the following software is best suited for keeping records during the national population census?
1. A.Graphic
2. B.Database
3. C.Word Processing
4. D.Spreadfast
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Answer: B Database
48.
Which of the following statements is not true about a computer file?
1. A.It is very fast to access any record within a file
2. B.It is created electronically
3. C.File creation and access are less laborious
4. D.Initial setup is expensive
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Answer: A It is very fast to access any record within a file
49.
Which of the following statements is true about registers?
1. A.It is a special high-speed storage area within the CPU
2. B.It is a storage area around CPU
3. C.It is situated beside the memory
4. D.It is situated beside the CPU
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Answer: A It is a special high-speed storage area within the CPU

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