To play this video you need to enable JavaScript in your browser.
This video can not be played
The principles of the fetch-decode-execute cycle
Open Transcript
Next up
Test your understanding
Back to revise
Systems architecture - OCR
More guides on this topic
Memory and storage - OCR
Units and data representation - OCR
Computer networks and topologies - OCR
Wired and wireless networks, protocols and layers - OCR
Network security - OCR
Systems software - OCR
Ethical, legal and environmental impacts of digital technology - OCR
Related links
Computer Science exam practice
Computer Science revision
Personalise your Bitesize!
Jobs that use Computer Science
BBC News: Technology
Raspberry Pi
Quizlet
micro:bit
Code
Learn Python
Subscription