Introduction to Information Technology05 marksCache Memory
What is the purpose of cache memory? How sequential access differs from direct access?
What is the purpose of cache memory? How sequential access differs from direct access? [5]
Cache memory is a small, high-speed memory placed between the CPU and the main memory (RAM) in the memory hierarchy. 1. Bridge the Speed Gap: The CPU operates much faster than RAM (CPU registers: 1-2 ns, RAM: ~60 ns). Cache (2-10 ns) sits between them and reduces the time the CPU spends waiting f...