Computer Architecture MCQs | Page - 61

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 directly mapped cache no replacement algorithm is required.
  • (A) true
  • (B) false
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (A) true

Explanation: the position of each block is pre-determined in the direct mapped cache, hence no need for replacement.

📊 Computer Architecture
Q. In associative mapping during LRU, the counter of the new block is set to ‘0’ and all the others are incremented by one when occurs.
  • (A) delay
  • (B) miss
  • (C) hit
  • (D) delayed hit
💬 Discuss
✅ Correct Answer: (B) miss

Explanation: miss usually occurs when the memory block required is not present in the cache.

📊 Computer Architecture
Q. In set associative and associative mapping there exists less flexibility.
  • (A) true
  • (B) false
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (B) false

Explanation: the above two methods of mapping the decision of which block to be removed rests with the cache controller.

📊 Computer Architecture
Q. The algorithm which replaces the block which has not been referenced for a while is called
  • (A) lru
  • (B) orf
  • (C) direct
  • (D) both lru and orf
💬 Discuss
✅ Correct Answer: (A) lru

Explanation: lru stands for least recently used first.

📊 Computer Architecture
Q. The algorithm which removes the recently used page first is
  • (A) lru
  • (B) mru
  • (C) ofm
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (B) mru

Explanation: in mru it is assumed that the page accessed now is less likely to be accessed again.

📊 Computer Architecture
Q. The LRU can be improved by providing a little randomness in the access.
  • (A) true
  • (B) false
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (A) true

Explanation: none.

📊 Computer Architecture
Q. The counter that keeps track of how many times a block is most likely used is
  • (A) count
  • (B) reference counter
  • (C) use counter
  • (D) probable counter
💬 Discuss
✅ Correct Answer: (B) reference counter

Explanation: none.

📊 Computer Architecture
Q. The key factor/s in commercial success of a computer is/are
  • (A) performance
  • (B) cost
  • (C) speed
  • (D) both performance and cost
💬 Discuss
✅ Correct Answer: (D) both performance and cost

Explanation: the performance and cost of the computer system is a key decider in the commercial success of the system.

📊 Computer Architecture
Q. A common measure of performance is
  • (A) price/performance ratio
  • (B) performance/price ratio
  • (C) operation/price ratio
  • (D) none of the mentioned
💬 Discuss
✅ Correct Answer: (A) price/performance ratio

Explanation: if this measure is less than one then the system is optimal.

📊 Computer Architecture
Q. The performance depends on
  • (A) the speed of execution only
  • (B) the speed of fetch and execution
  • (C) the speed of fetch only
  • (D) the hardware of the system only
💬 Discuss
✅ Correct Answer: (B) the speed of fetch and execution

Explanation: the performance of a system is decided by how quick an instruction is brought into the system and executed.

Jump to

Explore More Categories

Click on category to learn MCQs of that category.

📱 Download Our App

Learn MCQs on the go with our easy-to-use Android app

Get it on Google Play