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Exam-style practice

Data storage and compression answer explanations

Review worked answers and explanations for Data storage and compression. Aligned to Cambridge IGCSE Computer Science.

Answer explanations

Question 1 of 8

Review the answer support, then move sideways through the set.

Paper 1 structured question: Data storage and compression

Paper 1Computer Systems1 marks

Description

Data Storage Units

Data storage is measured in bits, bytes, kibibytes, mebibytes, gibibytes, tebibytes, pebibytes, and exbibytes. Each unit is a multiple of the previous one, primarily based on powers of 2.

  1. a

    State the number of bits in a byte.

    [1]