CPU Registers | 1.1a | OCR A-Level Computer Science

Опубликовано: 19 Май 2026
на канале: CSNewbs
1,749
22

This video explains the key registers used in the FDE cycle. It describes the purpose of the Program Counter (PC), Memory Address Register (MAR), Memory Data Register (MDR), Current Instruction Register (CIR) and Accumulator (ACC), as well as what each register stores and the interaction between them.

This video is suitable for those interested in learning more about this topic, as well as students in the UK studying for the qualification below:

🎓 Course:
Qualification: OCR A-Level Computer Science
Certificate: H446
Component 1: Computer Systems
Topic: 1.1.1 Structure and Function of the Processor

🧷 Related:
OCR A-Level Topic Playlist:    • OCR A-Level Computer Science | Paper 1  
More topics on the CSNewbs website: https://www.csnewbs.com/ocr-a-level-1...