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Control signals

Authored by Bindu p

Engineering

University

8 Questions

Used 2+ times

Control signals
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which control signal selects between the register destination fields rt and rd in MIPS?

ALUSrc


RegDst

MemtoReg

Branch

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of MemtoReg for an lw instruction?

0

1

Depends on opcode

None of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which control signal determines whether the second ALU operand comes from the register file or from the sign-extended immediate?

MemRead

RegWrite

ALUSrc

PCSrc

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For an R-type instruction, which of the following signals is 1?

RegDst, RegWrite

MemWrite, MemtoReg

ALUSrc, MemRead

Branch, MemWrite

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The control signal RegWrite is 0 for __________ and 1 for R-type instructions.

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The control signal MemWrite is set to 1 only for the __________ instruction.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which control signal is responsible for deciding whether the ALU should perform addition, subtraction, AND, OR, etc.?

ALUSrc


ALUOp

PCSrc

MemWrite

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