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GATE 2020 : Computer Organization & Architecture Quiz 2
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Question 1
_______ is used to choose between incrementing the PC or Performing ALU operations.
Question 2
RISC proccessor has which of the following control unit.
Question 3
Which of the following is/are true of the auto-increment addressing mode?
I. It is useful in creating self-relocating code
II. If it is included in an Instruction Set Architecture, then an additional ALU is required for effective address calculation
III. The amount of increment depends on the size of the data item accessed
I. It is useful in creating self-relocating code
II. If it is included in an Instruction Set Architecture, then an additional ALU is required for effective address calculation
III. The amount of increment depends on the size of the data item accessed
Question 4
For a pipelined CPU with a single ALU, consider the following situations
I. The j + 1-st instruction uses the result of the j-th instruction as an operand
II. The execution of a conditional jump instruction
III. The j-th and j + 1-st instructions require the ALU at the same time
Which of the above can cause a hazard?
I. The j + 1-st instruction uses the result of the j-th instruction as an operand
II. The execution of a conditional jump instruction
III. The j-th and j + 1-st instructions require the ALU at the same time
Which of the above can cause a hazard?
Question 5
Consider a multiplexer with X and Y as data inputs and Z as control input. Z = 0 selects input X, and Z = 1 selects input Y. What are the connections required to realize the 2–variable Boolean function f = T + R, without using any additional hardware?
Question 6
In Data path timings diagram, which statement is incorrect?
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Jun 25GATE & PSU CS
