AQA A’Level SLR17 Interrupts
About this video
AQA Specification Reference
A Level 4.7.3.6
This videos takes a look at the important role interrupts and the Interrupt Service Routine (ISR) within the fetch decode execute cycle.
Key question:
- What causes an interrupt to the CPU, and how is it handled?
00:00 Interrupts
00:06 Intro
00:11 What is an interrupt?
01:03 How are interrupts handled?
02:47 Interrupting an interrupt
03:57 The importance of interrupt priorities
04:25 Interrupt priorities
04:44 Key question
04:54 Outro
Last updated: 06.06.25
