006. OCR A Level (H046-H446) SLR2 – 1.1 CISC vs RISC
About this video
OCR Specification Reference
AS Level 1.1.2a
A Level 1.1.2a
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 CISC vs RISC
00:08 Intro
00:13 What is an instruction set?
00:44 Multiplying two numbers in memory
02:06 Complex Instruction Set Computer (CISC)
04:01 Reduced Instruction Set Computer (RISC)
06:27 CISC vs RISC
06:44 Key question
06:55 Going beyond the specification
07:08 The performance equation
07:56 Architecture implementation in numbers
08:39 RISC roadblocks
09:26 The end of CISC...?
10:11 Outro
Last updated: 18.03.26
