VLSI Question:
Download Questions PDF

Explain the difference between write through and write back cache?


Write Through. After writing in cache memory, main memory is
updated too inmediatly to mantain reliability

Write Back After writing in cache memory a flag bit called
dirty bit is set. When this value need to be replaced that
bit is check, if it is set then the value is taken to main

Download VLSI Interview Questions And Answers PDF

Previous QuestionNext Question
What is the most complicated/valuable program you written in C/C++?What is the term snooping?