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Cambridge IGCSE Computer Science practice

Paper 1 structured question: Number systems

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Attempt questionNumber systems revisionRevise the key idea

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Number systems

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Paper 1Computer Systems1 marks

Understanding binary shifts in computer systems.

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Binary Shift Example

Consider the 8-bit binary number 01101000. Perform a logical left shift and a logical right shift on this number.

  1. a

    State What is the result of a logical left shift on the binary number 01101000?

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 1 structured question: Number systems

Paper 1Computer Systems2 marks

Description

Binary Shift Example

Consider the 8-bit binary number 01101000. Perform a logical left shift and a logical right shift on this number.

  1. b

    Explain What is the result of a logical right shift on the binary number 01101000?

    Aim for approximately 2 distinct marking points.

    [2]