Do some research about caching and answer the following questions? (Write with your own words)

1. Explain in brief what a cache memory is. (3 marks)
2. Explain in brief and in simple steps how does a cache memory works. (4 marks)
3. Provide a figure that shows the cache memory location to the CPU and memory. (1 mark)
4. Write two references you used to answer the question.(-1 mark if not provided)