Question

Which of the following is not a write policy to avoid Cache Coherence?

(a) Write through

(b) Write within

(c) Write back

(d) Buffered write

I had been asked this question by my school principal while I was bunking the class.

My question is from Cache Memory topic in chapter Processor & Memory of Computer Fundamentals

Answer 1

Correct answer is (b) Write within

The explanation: There is no policy which is called as the write within policy. The other three options are the write policies which are used to avoid cache coherence.