WAEC Computer Studies questions

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

All topics Algorithms and flowcharts · 21 Application packages · 25 Computer hardware and the CPU · 21 Computer networks and the internet · 23 Computer security, ethics and safety · 22 Data processing and information · 22 Evolution of computing · 23 Input and output devices · 22 Logic gates and Boolean algebra · 21 Memory and storage devices · 23 Number systems and data representation · 24 Programming languages and BASIC · 22 Software and operating systems · 22

Question 221· Memory and storage devices· WAEC
Optical discs such as DVDs are read using
Explanation and discussion
Question 222· Memory and storage devices· WAEC
Cloud storage means
Explanation and discussion
Question 223· Memory and storage devices· WAEC
1 kilobyte is equal to
Explanation and discussion
Question 224· Number systems and data representation· WAEC
Convert 1111₂ to base ten.
Explanation and discussion
Question 225· Number systems and data representation· WAEC
Add the binary numbers 1011 and 0110.
Explanation and discussion
Question 226· Number systems and data representation· WAEC
A nibble consists of
Explanation and discussion
Question 227· Number systems and data representation· WAEC
Convert the hexadecimal number 2F to base ten.
Explanation and discussion
Question 228· Number systems and data representation· WAEC
Convert 25 (base 8) to base 10.
Explanation and discussion
Question 229· Number systems and data representation· WAEC
Convert 10110₂ to hexadecimal.
Explanation and discussion
Question 230· Number systems and data representation· WAEC
Convert 17 (base 8) to base 10.
Explanation and discussion
Question 231· Number systems and data representation· WAEC
Add the binary numbers 101 + 11.
Explanation and discussion
Question 232· Number systems and data representation· WAEC
Add the binary numbers 101 and 011.
Explanation and discussion
Question 233· Number systems and data representation· WAEC
Convert 2A (base 16) to base 10.
Explanation and discussion
Question 234· Number systems and data representation· WAEC
Convert 1101 (base 2) to base 10.
Explanation and discussion
Question 235· Number systems and data representation· WAEC
The hexadecimal digit F represents the denary value
Explanation and discussion
Question 236· Number systems and data representation· WAEC
Convert 25 (base 10) to base 2.
Explanation and discussion
Question 237· Number systems and data representation· WAEC
In ASCII, the capital letter A is represented by the decimal code 65. Which code represents B?
Explanation and discussion
Question 238· Number systems and data representation· WAEC
The hexadecimal digit F represents the decimal number
Explanation and discussion
Question 239· Number systems and data representation· WAEC
Convert 10110 (base 2) to base 10.
Explanation and discussion
Question 240· Number systems and data representation· WAEC
Convert 25 (base ten) to binary.
Explanation and discussion

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WAEC Computer Studies questions

Optical discs such as DVDs are read using

Cloud storage means

1 kilobyte is equal to

Convert 1111₂ to base ten.

Add the binary numbers 1011 and 0110.

A nibble consists of

Convert the hexadecimal number 2F to base ten.

Convert 25 (base 8) to base 10.

Convert 10110₂ to hexadecimal.

Convert 17 (base 8) to base 10.

Add the binary numbers 101 + 11.

Add the binary numbers 101 and 011.

Convert 2A (base 16) to base 10.

Convert 1101 (base 2) to base 10.

The hexadecimal digit F represents the denary value

Convert 25 (base 10) to base 2.

In ASCII, the capital letter A is represented by the decimal code 65. Which code represents B?

The hexadecimal digit F represents the decimal number

Convert 10110 (base 2) to base 10.

Convert 25 (base ten) to binary.