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Cambridge IGCSE Computer Science practice

Paper 1 structured question: Types of software and interrupts

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Types of software and interrupts

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Paper 1Computer Systems2 marks

Interrupts play a vital role in the operation of computer systems.

Description

Types of Interrupts

There are two main types of interrupts: hardware interrupts, triggered by physical actions, and software interrupts, caused by program conditions.

  1. a

    Identify two examples of hardware interrupts.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 1 structured question: Types of software and interrupts

Paper 1Computer Systems3 marks

Description

Interrupts Overview

Interrupts are signals that prompt the CPU to stop its current task and execute a specific routine. They can be generated by hardware or software events.

  1. a

    Explain the function of interrupts in a computer system.

    Aim for approximately 3 distinct marking points.

    [3]