An embedded microcontroller in an autonomous drone continuously executes flight control instructions.
Identify two different registers used in the Fetch-Decode-Execute cycle and describe the purpose of each within the CPU.
Register Name
Purpose
1.
2.
[4]
Markscheme
Architecture of the CPU Questions
12 exam-style questions on OCR GCSE Computer Science Architecture of the CPU. Each one has a worked solution and a mark scheme showing where the marks go.