engineering computer science MCQ #150

A system has 16-bit addresses and 256 bytes of memory. How many bits are used for the offset?

engineering computer science MCQ #150

  1. Question 1

    Q1. A system has 16-bit addresses and 256 bytes of memory. How many bits are used for the offset?

    • A) 8
    • B) 7
    • C) 6
    • D) 5

    Answer: 8

    Explanation: Since 2^8 = 256, 8 bits are required to address 256 bytes, so offset = 8 bits.