logo

Exam-style practice

The main components of computer systems practice questions

Practise mixed syllabus-aligned questions for The main components of computer systems. Aligned to Cambridge IGCSE Information and Communication Technology.

Practice questions

Question 1 of 2

Choose an answer, get feedback, then move sideways through the set.

Paper 1 structured question: The main components of computer systems

Paper 1Theory6 marks

Description

CPU and Memory Functions

The CPU executes instructions to process data and produce output. Internal memory includes ROM, which stores permanent instructions, and RAM, which temporarily holds data and programs currently in use.

  1. a

    Describe the function of the CPU in a computer system.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    Compare ROM and RAM in terms of their characteristics and uses.

    Aim for approximately 4 distinct marking points.

    [4]