INTRODUCTION TO COMPUTERS
COMPUTER ARCHITECTURE AND ORGANIZATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Current Instruction Register
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Program Counter
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Memory Data Register
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Accumulator
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Detailed explanation-1: -Instructions Register :-In computing, the instruction register (IR) or current instruction register (CIR) is the part of a CPU’s control unit that holds the instruction currently being executed or decoded.
Detailed explanation-2: -The correct answer is Program counter. Program Counter: A program counter (PC) is a CPU register in the computer processor which has the address of the next instruction to be executed from memory.
Detailed explanation-3: -A processor register (CPU register) is one of a small set of data holding places that are part of the computer processor. A register may hold an instruction, a storage address, or any kind of data (such as a bit sequence or individual characters). Some instructions specify registers as part of the instruction.