01. OCR GCSE (J277) 1.1 The purpose of the CPU – The fetch-execute cycle
About this video
OCR J277 Specification Reference - Section 1.1
This video introduces the core purpose of the Central Processing Unit (CPU) and its role in fetching and executing instructions.
Don't forget, whenever the blue note icon appears in the corner of the screen, that is your cue to take notes about the content being shown on the current slide.
00:00 The purpose of the CPU- The fetch-execute cycle
00:13 Intro
00:18 What is a computer?
01:40 The fetch-decode-execute cycle
03:05 Recap
03:35 Outro
Last updated: 21.01.26
