Computer Architecture MCQs | Page - 60

Dear candidates you will find MCQ questions of Computer Architecture here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

📊 Computer Architecture
Q. Which register in the processor is single directional?
  • (A) mar
  • (B) mdr
  • (C) pc
  • (D) temp
💬 Discuss
✅ Correct Answer: (A) mar

Explanation: the mar is single directional as it just takes the address from the processor bus and passes it to the external bus.

📊 Computer Architecture
Q. The transparent register/s is/are
  • (A) y
  • (B) z
  • (C) temp
  • (D) all of the mentioned
💬 Discuss
✅ Correct Answer: (D) all of the mentioned

Explanation: these registers are usually used to store temporary values.

📊 Computer Architecture
Q. Which register is connected to the MUX?
  • (A) y
  • (B) z
  • (C) r0
  • (D) temp
💬 Discuss
✅ Correct Answer: (A) y

Explanation: the mux can either read the operand from the y register or increment the pc.

📊 Computer Architecture
Q. The registers, ALU and the interconnecting path together are called as
  • (A) control path
  • (B) flow path
  • (C) data path
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (C) data path

Explanation: none.

📊 Computer Architecture
Q. The input and output of the registers are governed by
  • (A) transistors
  • (B) diodes
  • (C) gates
  • (D) switches
💬 Discuss
✅ Correct Answer: (D) switches

Explanation: none.

📊 Computer Architecture
Q. When two or more clock cycles are used to complete data transfer it is called as
  • (A) single phase clocking
  • (B) multi-phase clocking
  • (C) edge triggered clocking
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (B) multi-phase clocking

Explanation: this is basically used in systems without edge-triggered flip flops.

📊 Computer Architecture
Q. signal is used to show complete of memory operation.
  • (A) mfc
  • (B) wmfc
  • (C) cfc
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (A) mfc

Explanation: mfc stands for memory function complete.

📊 Computer Architecture
Q. signal enables the processor to wait for the memory operation to complete.
  • (A) mfc
  • (B) tlb
  • (C) wmfc
  • (D) alb
💬 Discuss
✅ Correct Answer: (C) wmfc

Explanation: this signal stands for wait for memory function complete.

📊 Computer Architecture
Q. The signals are grouped such that mutually exclusive signals are put together.
  • (A) true
  • (B) false
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (A) true

Explanation: this is done to improve the efficiency of the controller.

📊 Computer Architecture
Q. Highly encoded schemes that use compact codes to specify a small number of functions in each micro instruction is
  • (A) horizontal organisation
  • (B) vertical organisation
  • (C) diagonal organisation
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (B) vertical organisation

Explanation: none.

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