COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The two phases of executing an instruction are ____
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Instruction decoding and storage
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Instruction fetch and instruction execution
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Instruction execution and storage
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Instruction fetch and Instruction processing
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Explanation:
Detailed explanation-1: -Instruction execution can be divided into small steps in different ways. One can divide it into two stages: instruction fetch and instruction execution (as e.g. in the Intel 8086).
Detailed explanation-2: -Explanation: First, the instructions are fetched and decoded and then they’re executed and stored.
Detailed explanation-3: -Step 1: Fetch instruction. Step 2: Decode instruction and Fetch Operands. Step 3: Perform ALU operation. Step 4: Access memory.
Detailed explanation-4: -Detailed Solution. The correct answer is Fetch instruction, Decode instruction, Read operands, Execute instruction and Store data.
There is 1 question to complete.