AQA A’Level SLR17 CISC vs RISC
About this video
AQA Specification Reference
AS Level 3.7.3.3
A Level 4.7.3.3
This video examines the main differences, advantages and disadvantages between CISC and RISC processors.
Key question:
- What are the differences between the RISC and CISC architectures?
00:00 Processor instruction sets
00:08 Intro
00:13 What is an instruction set?
00:39 Multiplying two numbers in memory
01:31 Complex Instruction Set Computer (CISC)
02:53 Reduced Instruction Set Computer (RISC)
04:28 Processor instruction sets
04:40 Key question
04:51 Going beyond the specification
05:02 The performance equation
05:34 Architecture implementation in numbers
06:04 RISC roadblocks
06:50 The end of CISC?
07:30 Outro
Last updated: 06.06.25
