engineering computer science MCQ #149

If a 32-bit instruction has 16-bit opcode, how many different opcodes are possible?

engineering computer science MCQ #149

  1. Question 1

    Q1. If a 32-bit instruction has 16-bit opcode, how many different opcodes are possible?

    • A) 2^16
    • B) 2^15
    • C) 2³2
    • D) 2^17

    Answer: 2^16

    Explanation: Number of different opcodes = 2^(number of bits in opcode) = 2^16.