engineering computer science MCQ #135

In a cache memory, what is a 'tag' used for?

engineering computer science MCQ #135

  1. Question 1

    Q1. In a cache memory, what is a 'tag' used for?

    • A) To identify the cache line
    • B) To store the data
    • C) To store the instruction opcode
    • D) To store the memory address

    Answer: To identify the cache line

    Explanation: A tag is used to identify which main memory block is stored in a cache line.