AQA (8525)

Advantage and Disadvantage of Magnetic Storage. (2 marks)

Discuss one advantage and one disadvantage of magnetic storage.

Explain why secondary storage is required in a computer system.

Discuss the roles of registers in a CPU. Explain why they are essential and how they differ from RAM.

Explain the difference between main memory and secondary storage, providing one example for each.

Describe the function of cache memory in a computer system.

Identify one main function of ROM in a computer system and explain why it is important.

What type of memory is RAM classified as: volatile or non-volatile? Explain your choice.

Discuss how cache size can influence the performance of a CPU.

How does the number of processor cores affect the performance of a CPU?

Define the term ‘register’ in the context of CPU architecture.