115. AQA A Level SLR17 Internal components of a computer system
About this video
AQA Specification Reference
AS Level 3.7.1.1
A Level 4.7.1.1
In this video we take a look at the classic Von Neuman Architecture of a computer by taking the lid off a processor and examining what is inside and how it works. We discuss important concepts such as the ALU, Control unit, Registers and Buses.
Key questions:
- What are the main components of a computer system?
- What is the difference between the control, data and address bus?
00:00 Internal components of a computer
00:12 Intro
00:17 What is a computer?
01:29 Main components of a computer
02:02 Processor
02:36 Main memory
03:26 Input/output controllers
04:15 Buses
04:50 Control bus
05:22 Data bus
05:39 Address bus
06:24 Key questions
06:36 Outro
Last updated: 04.09.25
