All Exams  >   Year 4  >   Year 4 Computing IGCSE (Cambridge)  >   All Questions

All questions of Know Your Computer for Year 4 Exam

What is the primary function of the CPU in a computer system?
  • a)
    To display visual output on the monitor
  • b)
    To provide power to the computer
  • c)
    To store data permanently
  • d)
    To process instructions and manage operations
Correct answer is option 'D'. Can you explain this answer?

Vp Classes answered
The CPU, or Central Processing Unit, is often referred to as the "brain" of the computer. Its primary role is to process instructions received from software and control the operations of the computer. It executes commands, performs calculations, and manages data flow within the system. An interesting fact is that the speed of a CPU is typically measured in gigahertz (GHz), indicating how many billion cycles per second it can perform.

Chapter doubts & questions for Know Your Computer - Year 4 Computing IGCSE (Cambridge) 2026 is part of Year 4 exam preparation. The chapters have been prepared according to the Year 4 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Year 4 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.

Chapter doubts & questions of Know Your Computer - Year 4 Computing IGCSE (Cambridge) in English & Hindi are available as part of Year 4 exam. Download more important topics, notes, lectures and mock test series for Year 4 Exam by signing up for free.

Top Courses Year 4