Cambridge IGCSE Computer Science practice

Paper 1 structured question: Number systems

Try the question first, then check the answer and practise the same topic again.

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Paper

Marks

Topic

Number systems

Exam-style question

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Paper 1Computer Systems1 marks

Understanding hexadecimal representation in computing.

Description

Hexadecimal is often used in programming and data representation due to its compactness compared to binary.

a
State one advantage of using hexadecimal over binary.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 1Computer Systems2 marks

Description

Hexadecimal is used in various areas such as memory addressing and color representation.

a
Explain two areas where hexadecimal is applied in computer science.
Your answer
Aim for approximately 2 distinct marking points.
[2]