JAMB Computer Studies questions

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

All topics Algorithms and flowcharts · 18 Application packages · 21 Computer hardware and the CPU · 20 Computer networks and the internet · 22 Computer security, ethics and safety · 18 Data processing and information · 18 Evolution of computing · 19 Input and output devices · 18 Logic gates and Boolean algebra · 18 Memory and storage devices · 21 Number systems and data representation · 23 Programming languages and BASIC · 21 Software and operating systems · 20

Question 201· Number systems and data representation· JAMB
Convert 3F₁₆ to decimal.
Explanation and discussion
Question 202· Number systems and data representation· JAMB
Convert 56₈ to base ten.
Explanation and discussion
Question 203· Number systems and data representation· JAMB
Unicode was developed to
Explanation and discussion
Question 204· Number systems and data representation· JAMB
A parity bit is added to data in order to
Explanation and discussion
Question 205· Number systems and data representation· JAMB
Convert 45 (base ten) to binary.
Explanation and discussion
Question 206· Number systems and data representation· JAMB
The one's complement of 1011 is
Explanation and discussion
Question 207· Number systems and data representation· JAMB
The binary-coded decimal (BCD) form of 59 is
Explanation and discussion
Question 208· Number systems and data representation· JAMB
Convert 65₈ to decimal.
Explanation and discussion
Question 209· Number systems and data representation· JAMB
The decimal value of the binary number 10110 is
Explanation and discussion
Question 210· Number systems and data representation· JAMB
The octal number 17₈ written in decimal is
Explanation and discussion
Question 211· Number systems and data representation· JAMB
Convert 3F₁₆ to binary.
Explanation and discussion
Question 212· Number systems and data representation· JAMB
How many different values can 4 bits represent?
Explanation and discussion
Question 213· Number systems and data representation· JAMB
How many different values can be represented with 8 bits?
Explanation and discussion
Question 214· Number systems and data representation· JAMB
Find 1010₂ + 0111₂.
Explanation and discussion
Question 215· Number systems and data representation· JAMB
Subtract 0110₂ from 1101₂.
Explanation and discussion
Question 216· Number systems and data representation· JAMB
The hexadecimal digit F represents the decimal value
Explanation and discussion
Question 217· Programming languages and BASIC· JAMB
In an array A of 10 elements indexed from 1, A(4) refers to
Explanation and discussion
Question 218· Programming languages and BASIC· JAMB
An error that breaks the grammar rules of a programming language is
Explanation and discussion
Question 219· Programming languages and BASIC· JAMB
Assembly language uses
Explanation and discussion
Question 220· Programming languages and BASIC· JAMB
An array is
Explanation and discussion

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JAMB Computer Studies questions

Convert 3F₁₆ to decimal.

Convert 56₈ to base ten.

Unicode was developed to

A parity bit is added to data in order to

Convert 45 (base ten) to binary.

The one's complement of 1011 is

The binary-coded decimal (BCD) form of 59 is

Convert 65₈ to decimal.

The decimal value of the binary number 10110 is

The octal number 17₈ written in decimal is

Convert 3F₁₆ to binary.

How many different values can 4 bits represent?

How many different values can be represented with 8 bits?

Find 1010₂ + 0111₂.

Subtract 0110₂ from 1101₂.

The hexadecimal digit F represents the decimal value

In an array A of 10 elements indexed from 1, A(4) refers to

An error that breaks the grammar rules of a programming language is

Assembly language uses

An array is