If a cache has a hit ratio of 0.8 and an access time of 1 clock cycle, and main memory has an access time of 10 clock cycles, what is the average memory access time?
Q1. If a cache has a hit ratio of 0.8 and an access time of 1 clock cycle, and main memory has an access time of 10 clock cycles, what is the average memory access time?
Answer: 3.8 cycles
Explanation: Concept: Computer Architecture logic. 3.8 cycles is correct because it matches what the question requires. NET computer science MCQs often test this core concept.