Central Processing Unit Q.45

0. A CPU has 24-bit instructions. A program starts at address 300 (in decimal). Which one of the following is a legal program counter (all values in decimal)?

  • Option : C
  • Explanation : Size of instruction = 24/8 = 3 bytes.
    So Program Counter shift 3 bytes at a time to jump to next instruction.According to that the given options must be divisible by 3. only 600 is satisfied.
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