Computer Knowledge

Computer Memory and Storage

2,477 Questions

Computer memory and storage questions test foundational knowledge of hardware, cache mapping, and data transfer mechanisms. Key areas include Direct Memory Access, analog recording, and RAID levels. This section is essential for candidates preparing for banking and government computer proficiency tests.

Cache memory mappingDirect memory accessRAID storage levelsHard disk technologyOptical media storageMemory addresses

Computer Memory and Storage Questions

Multiple choice

Which of the following is the problem of file management system?

  1. Lack of data independence

  2. Data redundancy

  3. Update

  4. All of above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

File management systems suffer from data redundancy, lack of data independence, and difficulties in updating data across multiple files. Therefore, all these are recognized problems.

Multiple choice

Embedded pointers provide

  1. an inverted index

  2. a secondary access path

  3. a physical record key

  4. all of above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Embedded pointers are used to link records together, providing a way to navigate through data that is not based on the primary key, thus creating a secondary access path.

Multiple choice

Which of the following memory management techniques is the one which allows a limited number of blocks with the same index and different tags in the cache and can therefore be considered as a compromise between a fully associative cache and a direct mapped cache?

  1. III Sector Mapping

  2. II Set-associative mapping

  3. I Direct Mapping

  4. Fully associative mapping

  5. Fetch operation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This memory management technique is the one which allows a limited number of blocks with the same index and different tags in the cache and can therefore be considered as a compromise between a fully associative cache and a direct mapped cache.

Multiple choice

The following message generally means:

  1. a nonsystem floppy has been left in the floppy disk drive.

  2. the CD drive is not functioning.

  3. the BIOS is corrupted.

  4. there is a problem loading a device.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

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Multiple choice

All of the following are TRUE regarding virtual memory EXCEPT

  1. any amount of RAM can be allocated to virtual memory.

  2. the setting for the amount of hard drive space to allocate to virtual memory can be manually changed.

  3. this temporary storage is called the swap file (or page file).

  4. virtual memory is physical space on the hard drive.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

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