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Which of following registers processor used for fetch and execute operations?
1. Program counter
2. Instruction register
3. Address register
1. Program counter
2. Instruction register
3. Address register
- a)1 and 3
- b)1 and 2
- c)2 and 3
- d)1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
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Which of following registers processor used for fetch and execute oper...
μ-instruction for fetch cycle:
So, PC, IR and address register are used.
So, PC, IR and address register are used.
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Which of following registers processor used for fetch and execute oper...
Registers Used for Fetch and Execute Operations
The processor uses several registers for the fetch and execute operations. The three most important registers are:
1. Program Counter (PC)
The program counter is a register that holds the memory address of the next instruction to be executed. It is automatically incremented after each instruction is fetched, so that it always points to the next instruction in memory.
2. Instruction Register (IR)
The instruction register is a register that holds the instruction that is currently being executed. It is loaded from memory during the fetch operation, and then used to control the execution of the instruction during the execute operation.
3. Address Register (AR)
The address register is a register that holds the memory address of the operand that is being accessed by the current instruction. It is loaded from the instruction during the decode operation, and then used to access the operand during the execute operation.
Therefore, the correct answer is option 'D' - the processor uses all three registers (PC, IR, and AR) for fetch and execute operations.
The processor uses several registers for the fetch and execute operations. The three most important registers are:
1. Program Counter (PC)
The program counter is a register that holds the memory address of the next instruction to be executed. It is automatically incremented after each instruction is fetched, so that it always points to the next instruction in memory.
2. Instruction Register (IR)
The instruction register is a register that holds the instruction that is currently being executed. It is loaded from memory during the fetch operation, and then used to control the execution of the instruction during the execute operation.
3. Address Register (AR)
The address register is a register that holds the memory address of the operand that is being accessed by the current instruction. It is loaded from the instruction during the decode operation, and then used to access the operand during the execute operation.
Therefore, the correct answer is option 'D' - the processor uses all three registers (PC, IR, and AR) for fetch and execute operations.
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Which of following registers processor used for fetch and execute operations?1. Program counter2. Instruction register3. Address registera)1 and 3b)1 and 2c)2 and 3d)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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