Computer Knowledge

Computer Memory and Storage

2,121 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
  1. Disk defragmenter

  2. Disk management

  3. Partition Magic Pro

  4. Check disk

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Partition Magic Pro is a system utility that enables you to create and re-size the drives without loss of information. Microsoft provides the basic utilities such as FDISK and FORMAT for disk management. These two utilities enable you to perform the basic tasks such as creating and formatting drives. But using these utilities, you cannot resize or undelete partitions.

Multiple choice
  1. Digital Visual Disk

  2. Digital Video Disk

  3. Digital Versatile Disk

  4. Double Volume Disk

Reveal answer Fill a bubble to check yourself
B Correct answer
Multiple choice
  1. program area.

  2. output area.

  3. working area.

  4. input area.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In early computer architecture terminology, the program area was typically the largest segment of memory allocated to hold the instructions for execution. Other areas like input, output, and working storage were smaller buffers or temporary workspaces.

Multiple choice
  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
  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.