Cambridge IGCSE Computer Science practice

Paper 1 structured question: Data storage and compression

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

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Paper

Marks

Topic

Data storage and compression

Exam-style question

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Paper 1Computer Systems3 marks

Consider the impact of data compression on network performance.

Description

Data compression can significantly enhance the efficiency of data transmission over networks.

a
Explain how data compression affects transmission times.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 1Computer Systems1 marks

Description

Data compression reduces the size of files, which can lead to various advantages in data management.

a
State two benefits of data compression.
Your answer
Aim for approximately 1 distinct marking point.
[1]