COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Implied Mode
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Immediate Mode
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Direct Mode
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Register Mode
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Detailed explanation-1: -Immediate addressing Mode: In immediate addressing mode, the operand is a part of the instruction. No memory reference is required to fetch data.
Detailed explanation-2: -Register Mode execute its instructions within CPU.
Detailed explanation-3: -The advantage of immediate addressing is that no memory reference other than the instruction fetch is required to obtain the operand, thus saving one memory or cache cycle in the instruction cycle.
Detailed explanation-4: -Register Direct Addressing Mode-No reference to memory is required to fetch the operand.
Detailed explanation-5: -Register Direct Addressing Mode The operands that reside within the CPU are stored in the registers. The specific register is selected from a register field in the instruction. No reference to the memory is required to fetch the operand.