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Consider the following data path diagram.

Consider an instruction: R0 ← R1 + R2. The following steps are used to execute it over the given data path. Assume that PC is incremented appropriately. The subscripts r and w indicate read and write operations, respectively.
1. R2r, TEMP1r, ALUadd, TEMP2w
2. R1r, TEMP1w
3. PCr, MARw, MEMr
4. TEMP2r, R0w
5. MDRr, IRw
Which one of the following is the correct order of execution of the above steps?
  • a)
    3, 5, 1, 2, 4
  • b)
    2, 1, 4, 5, 3
  • c)
    1, 2, 4, 3, 5
  • d)
    3, 5, 2, 1, 4
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Consider the following data path diagram.Consider an instruction: R0 &...
1. Send the address to memory via MAR.
2. Read the opcode into IR from the memory via MBR.
3. Send the first operand to Temp1(ALU).
4. Read the second operand directly from the R2 and process the data in ALU and store the result into TEMP2.
5. Store the result into R0.
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Consider the following data path diagram.Consider an instruction: R0 ← R1 + R2. The following steps are used to execute it over the given data path. Assume that PC is incremented appropriately. The subscripts r and w indicate read and write operations, respectively.1.R2r, TEMP1r, ALUadd, TEMP2w2.R1r, TEMP1w3.PCr, MARw, MEMr4.TEMP2r, R0w5.MDRr, IRwWhich one of the following is the correct order of execution of the above steps?a)3, 5, 1, 2, 4b)2, 1, 4, 5, 3c)1, 2, 4, 3, 5d)3, 5, 2, 1, 4Correct answer is option 'D'. Can you explain this answer?
Question Description
Consider the following data path diagram.Consider an instruction: R0 ← R1 + R2. The following steps are used to execute it over the given data path. Assume that PC is incremented appropriately. The subscripts r and w indicate read and write operations, respectively.1.R2r, TEMP1r, ALUadd, TEMP2w2.R1r, TEMP1w3.PCr, MARw, MEMr4.TEMP2r, R0w5.MDRr, IRwWhich one of the following is the correct order of execution of the above steps?a)3, 5, 1, 2, 4b)2, 1, 4, 5, 3c)1, 2, 4, 3, 5d)3, 5, 2, 1, 4Correct answer is option 'D'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about Consider the following data path diagram.Consider an instruction: R0 ← R1 + R2. The following steps are used to execute it over the given data path. Assume that PC is incremented appropriately. The subscripts r and w indicate read and write operations, respectively.1.R2r, TEMP1r, ALUadd, TEMP2w2.R1r, TEMP1w3.PCr, MARw, MEMr4.TEMP2r, R0w5.MDRr, IRwWhich one of the following is the correct order of execution of the above steps?a)3, 5, 1, 2, 4b)2, 1, 4, 5, 3c)1, 2, 4, 3, 5d)3, 5, 2, 1, 4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following data path diagram.Consider an instruction: R0 ← R1 + R2. The following steps are used to execute it over the given data path. Assume that PC is incremented appropriately. The subscripts r and w indicate read and write operations, respectively.1.R2r, TEMP1r, ALUadd, TEMP2w2.R1r, TEMP1w3.PCr, MARw, MEMr4.TEMP2r, R0w5.MDRr, IRwWhich one of the following is the correct order of execution of the above steps?a)3, 5, 1, 2, 4b)2, 1, 4, 5, 3c)1, 2, 4, 3, 5d)3, 5, 2, 1, 4Correct answer is option 'D'. Can you explain this answer?.
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