Describe the purpose of the MAR, MDR, program counter and accumulator.
From Paper 1: Computer systems
1(c)4 marks
Describe what happens during the fetch stage of the fetch–execute cycle.
From Paper 1: Computer systems
1(d)6 marks
A gamer is choosing between two CPUs: CPU A has 4 cores, 4.2 GHz, 8 MB cache; CPU B has 8 cores, 3.4 GHz, 16 MB cache. Discuss which would give better performance.
From Paper 1: Computer systems
1(e)2 marks
Give two examples of embedded systems.
Score 0 / 17 · 0 of 5 marked
This paper is written by Plasmo in the style of the OCR GCSE Computer Science exam. It is not a past paper and is not produced or endorsed by the exam board.
Systems architecture Exam Questions: OCR GCSE Computer Science | Plasmo