JAMB and WAEC Computer Studies questions: Memory and storage devices

44 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 21· Memory and storage devices· JAMB
An EPROM chip can be
Explanation and discussion
Question 22· Memory and storage devices· JAMB
PROM can be
Explanation and discussion
Question 23· Memory and storage devices· JAMB
Primary memory includes
Explanation and discussion
Question 24· Memory and storage devices· JAMB
1 megabyte is equal to
Explanation and discussion
Question 25· Memory and storage devices· WAEC
Chidi saves his project so that it is still there after he switches off the laptop. Where is it kept?
Explanation and discussion
Question 26· Memory and storage devices· WAEC
Which of these has the largest capacity?
Explanation and discussion
Question 27· Memory and storage devices· WAEC
How many bytes are there in 2 KB?
Explanation and discussion
Question 28· Memory and storage devices· JAMB
A magnetic tape is accessed
Explanation and discussion
Question 29· Memory and storage devices· WAEC
ROM contains
Explanation and discussion
Question 30· Memory and storage devices· WAEC
Arrange these from fastest to slowest access: registers, cache, RAM, hard disk.
Explanation and discussion
Question 31· Memory and storage devices· WAEC
A group of 8 bits is a
Explanation and discussion
Question 32· Memory and storage devices· JAMB
Which storage device has no moving parts?
Explanation and discussion
Question 33· Memory and storage devices· WAEC
The BIOS is usually stored in
Explanation and discussion
Question 34· Memory and storage devices· WAEC
Memory that loses its contents when power is switched off is
Explanation and discussion
Question 35· Memory and storage devices· WAEC
ROM stands for
Explanation and discussion
Question 36· Memory and storage devices· JAMB
Which of these is a secondary storage device?
Explanation and discussion
Question 37· Memory and storage devices· WAEC
A 4 MB file is copied 256 times onto a disk. How much space do the copies take? [1 GB = 1,024 MB]
Explanation and discussion
Question 38· Memory and storage devices· WAEC
Cache memory is used to
Explanation and discussion
Question 39· Memory and storage devices· JAMB
Which of these memories is the fastest?
Explanation and discussion
Question 40· Memory and storage devices· WAEC
RAM is described as volatile because
Explanation and discussion

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JAMB and WAEC Computer Studies questions: Memory and storage devices

An EPROM chip can be

PROM can be

Primary memory includes

1 megabyte is equal to

Chidi saves his project so that it is still there after he switches off the laptop. Where is it kept?

Which of these has the largest capacity?

How many bytes are there in 2 KB?

A magnetic tape is accessed

ROM contains

Arrange these from fastest to slowest access: registers, cache, RAM, hard disk.

A group of 8 bits is a

Which storage device has no moving parts?

The BIOS is usually stored in

Memory that loses its contents when power is switched off is

ROM stands for

Which of these is a secondary storage device?

A 4 MB file is copied 256 times onto a disk. How much space do the copies take? [1 GB = 1,024 MB]

Cache memory is used to

Which of these memories is the fastest?

RAM is described as volatile because