Computer Architecture MCQs | Page - 3

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. The internal components of the processor are connected by
  • (A) processor intra-connectivity circuitry
  • (B) processor bus
  • (C) memory bus
  • (D) rambus
💬 Discuss
✅ Correct Answer: (B) processor bus

Explanation: the processor bus is used to connect the various parts in order to provide a direct connection to the cpu.

📊 Computer Architecture
Q. is used to choose between incrementing the PC or performing ALU operations.
  • (A) conditional codes
  • (B) multiplexer
  • (C) control unit
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (B) multiplexer

Explanation: the multiplexer circuit is used to choose between the two as it can give different results based on the input.

📊 Computer Architecture
Q. The registers, ALU and the interconnection between them are collectively called as
  • (A) process route
  • (B) information trail
  • (C) information path
  • (D) data path
💬 Discuss
✅ Correct Answer: (D) data path

Explanation: the operational and

📊 Computer Architecture
Q. is used to store data in registers.
  • (A) d flip flop
  • (B) jk flip flop
  • (C) rs flip flop
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (A) d flip flop

Explanation: none.

📊 Computer Architecture
Q. The main virtue for using single Bus structure is
  • (A) fast data transfers
  • (B) cost effective connectivity and speed
  • (C) cost effective connectivity and ease of attaching peripheral devices
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (C) cost effective connectivity and ease of attaching peripheral devices

Explanation: by using a single bus structure we can minimize the amount of hardware (wire) required and thereby reducing the cost.

📊 Computer Architecture
Q. The addressing mode, where you directly specify the operand value is
  • (A) immediate
  • (B) direct
  • (C) definite
  • (D) relative
💬 Discuss
✅ Correct Answer: (A) immediate

Explanation: none.

📊 Computer Architecture
Q. addressing mode is most suitable to change the normal sequence of execution of instructions.
  • (A) relative
  • (B) indirect
  • (C) index with offset
  • (D) immediate
💬 Discuss
✅ Correct Answer: (A) relative

Explanation: the relative addressing mode is used for this since it directly updates the pc.

📊 Computer Architecture
Q. Which method/s of representation of numbers occupies a large amount of memory than others?
  • (A) sign-magnitude
  • (B) 1’s complement
  • (C) 2’s complement
  • (D) 1’s & 2’s compliment
💬 Discuss
✅ Correct Answer: (A) sign-magnitude

Explanation: it takes more memory as one bit used up to store the sign.

📊 Computer Architecture
Q. Which method of representation has two representations for ‘0’?
  • (A) sign-magnitude
  • (B) 1’s complement
  • (C) 2’s complement
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (A) sign-magnitude

Explanation: one is positive and one for negative.

📊 Computer Architecture
Q. When we perform subtraction on -7 and 1 the answer in 2’s complement form is
  • (A) 1010
  • (B) 1110
  • (C) 0110
  • (D) 1000
💬 Discuss
✅ Correct Answer: (D) 1000

Explanation: first the 2’s complement is found and that is added to the number and the overflow is ignored.

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