Computer Organization MCQ Questions

This section focuses on "Memory Organization" of Computer Organization & Architecture. These Multiple Choice Questions (MCQ) should be practiced to improve the Computer Organization & Architecture skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. What is true about memory unit?

A. A memory unit is the collection of storage units or devices together.
B. The memory unit stores the binary information in the form of bits.
C. Both A and B
D. None of the above

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2. In how many categories memory/storage is classified?

A. 2
B. 3
C. 4
D. 5

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3. When when power is switched off which memory loses its data?

A. Non-Volatile Memory
B. Volatile Memory
C. Both A and B
D. None of the above

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4. Auxillary memory access time is generally ________ times that of the main memory

A. 10
B. 100
C. 1000
D. 10000

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5. What is the formula for Hit Ratio?

A. Hit/(Hit + Miss)
B. Miss/(Hit + Miss)
C. (Hit + Miss)/Miss
D. (Hit + Miss)/Hit

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6. Which of the following is correct example for Auxiliary Memory?

A. Magnetic disks
B. Tapes
C. Flash memory.
D. Both A and B

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7. The fastest data access is provided using _______

A. Cache
D. Registers

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8. The next level of memory hierarchy after the L2 cache is _______

A. Secondary storage
B. Main memory
C. Register

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9. Which of the following is correct refreshed rate for DRAM?

A. 10~1000 ms
B. 10~50 ms
C. 10~100 ms
D. 10~500 ms

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10. Which of the following is true?

A. To overcome the slow operating speeds of the secondary memory we make use of faster flash drives.
B. If we use the flash drives instead of the harddisks, then the secondary storage can go above primary memory in the hierarchy.
C. In the memory hierarchy, as the speed of operation increases the memory size also increases.
D. Both A and C

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