The first group of bits in an instruction represents its unique binary number, commonly called the ____.
A) data word
B) op code
C) Operand
D) operand

Question

Quizplus · Accepted Answer

The first group of bits in an instruction represents the op code, which is the unique binary number that identifies the specific operation or instruction to be executed by the processor. The op code determines the type of instruction and the format of the rest of the instruction. Therefore, the correct choice is B, op code. The other options, data word and operand, refer to other components of an instruction but do not represent the unique binary number.

The First Group of Bits in an Instruction Represents Its