JAMB and WAEC Computer Studies questions

548 questions with answers and explanations. Tap an option to check yourself.

All topics Algorithms and flowcharts · 39 Application packages · 46 Computer hardware and the CPU · 41 Computer networks and the internet · 45 Computer security, ethics and safety · 40 Data processing and information · 40 Evolution of computing · 42 Input and output devices · 40 Logic gates and Boolean algebra · 39 Memory and storage devices · 44 Number systems and data representation · 47 Programming languages and BASIC · 43 Software and operating systems · 42

Question 521· Software and operating systems· WAEC
Restarting a computer without switching off the power is called
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Answer: A. warm booting
Explanation and discussion
Question 522· Software and operating systems· WAEC
A graphical user interface uses
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Answer: C. icons, windows and a pointer
Explanation and discussion
Question 523· Software and operating systems· JAMB
Which of these is an operating system?
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Answer: C. Linux
Explanation and discussion
Question 524· Software and operating systems· WAEC
The program that loads the operating system into memory when a computer starts is the
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Answer: A. bootstrap loader
Explanation and discussion
Question 525· Software and operating systems· WAEC
Firmware is software that is
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Answer: C. stored permanently in ROM on a device
Explanation and discussion
Question 526· Software and operating systems· JAMB
A file extension such as .docx shows
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Answer: C. the type of file
Explanation and discussion
Question 527· Software and operating systems· WAEC
Software developed for a particular user or organisation is called
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Answer: D. custom (tailor-made) software
Explanation and discussion
Question 528· Software and operating systems· WAEC
An example of a mobile operating system is
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Answer: C. Android
Explanation and discussion
Question 529· Software and operating systems· JAMB
A program that translates a whole high-level program into machine code before it runs is
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Answer: B. a compiler
Explanation and discussion
Question 530· Software and operating systems· JAMB
Compressing a file into a .zip archive
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Answer: D. reduces its size for storage or sending
Explanation and discussion
Question 531· Software and operating systems· WAEC
Software whose source code anyone may study, change and share is
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Answer: A. open-source software
Explanation and discussion
Question 532· Software and operating systems· JAMB
Software sold under a licence that restricts copying and sharing is
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Answer: C. proprietary software
Explanation and discussion
Question 533· Software and operating systems· WAEC
Android and Windows are examples of
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Answer: B. operating systems
Explanation and discussion
Question 534· Software and operating systems· JAMB
A program that compresses files so they take up less space is
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Answer: A. a compression utility such as a ZIP tool
Explanation and discussion
Question 535· Software and operating systems· JAMB
Defragmenting a hard disk
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Answer: B. rearranges file fragments to speed up access
Explanation and discussion
Question 536· Software and operating systems· WAEC
A program that checks a disk for errors or removes viruses is a
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Answer: D. utility program
Explanation and discussion
Question 537· Software and operating systems· JAMB
The BIOS performs a power-on self-test (POST) to
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Answer: B. check hardware before loading the operating system
Explanation and discussion
Question 538· Software and operating systems· JAMB
Antivirus programs are examples of
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Answer: B. utility software
Explanation and discussion
Question 539· Software and operating systems· JAMB
Shareware is software that
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Answer: D. can be tried free for a period before paying
Explanation and discussion
Question 540· Software and operating systems· WAEC
An operating system manages
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Answer: C. hardware resources and runs applications
Explanation and discussion

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JAMB and WAEC Computer Studies questions

Restarting a computer without switching off the power is called

A graphical user interface uses

Which of these is an operating system?

The program that loads the operating system into memory when a computer starts is the

Firmware is software that is

A file extension such as .docx shows

Software developed for a particular user or organisation is called

An example of a mobile operating system is

A program that translates a whole high-level program into machine code before it runs is

Compressing a file into a .zip archive

Software whose source code anyone may study, change and share is

Software sold under a licence that restricts copying and sharing is

Android and Windows are examples of

A program that compresses files so they take up less space is

Defragmenting a hard disk

A program that checks a disk for errors or removes viruses is a

The BIOS performs a power-on self-test (POST) to

Antivirus programs are examples of

Shareware is software that

An operating system manages