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
  1. Random Access Memory

  2. Readable American Memory

  3. Remote Access Memory

  4. Random Active Memory

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

RAM stands for Random Access Memory, which is the primary volatile memory used by a computer to store data currently in use.

Multiple choice
  1. External Hard disk

  2. Data Backup

  3. SDD

  4. Optical drive

Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice
  1. Secondary

  2. Primary

  3. Offline

  4. None

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

A hard disk drive is a non-volatile storage device used for long-term data retention. It is classified as secondary storage because it is not directly accessible by the CPU like primary memory.

Multiple choice
  1. CD/DVD/DVD-RAM

  2. Blu-ray disks

  3. USB flash memory/memory sticks/SD-XD cards

  4. All

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

Offline storage refers to any storage medium that can be physically removed from the computer. CDs, DVDs, Blu-ray disks, and USB flash drives all fit this definition.

Multiple choice
  1. Volatile storage

  2. Non-volatile storage

  3. Sequential storage

  4. Direct storage

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

Volatile storage requires power to maintain the stored information. If the power is interrupted, the data in volatile memory is lost.

Multiple choice
  1. Faster

  2. Slower

  3. Corrupt

  4. Terminates

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

Increasing RAM allows the computer to hold more data and applications in active memory, reducing the need to swap data to the slower hard drive, which makes the system feel faster.

Multiple choice
  1. Secondary

  2. Primary

  3. Offline

  4. None

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

RAM (Random Access Memory) is the main memory of a computer, providing the CPU with direct access to data currently in use, thus classifying it as primary memory.

Multiple choice
  1. External

  2. Internal

  3. Both

  4. None

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

The main memory (RAM) is located inside the computer system unit, making it internal memory. External memory refers to secondary storage devices like USB drives or external hard disks.