COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Memory Data Register
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Accumulator
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Memory Address Register
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Program Counter
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Detailed explanation-1: -The CPU contains a number of special purpose registers; the most important of these is called the program counter. The program counter contains the address of the next instruction.
Detailed explanation-2: -Role of components The program counter (PC) is a special register that holds the memory address of the next instruction to be executed.
Detailed explanation-3: -A program counter is a register in a computer processor that contains the address (location) of the instruction being executed at the current time.
Detailed explanation-4: -The program counter (PC) holds the address of the next instruction to be executed, while the instruction register (IR) holds the encoded instruction. Upon fetching the instruction, the program counter is incremented by one “address value” (to the location of the next instruction).