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

RAID stands for

  1. Reproduce Array of Intelligent Disks

  2. Reproduce Array of Inexpensive Disks

  3. Redundant Array of Inexpensive Drives

  4. Redundant Array of Inexpensive Disks
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

RAID is an acronym for Redundant Array of Independent Disks (originally Inexpensive Disks), a technology used to provide data redundancy and performance improvement.

Multiple choice

Which of the following is the primary memory?

  1. RAM

  2. ROM

  3. CPU

  4. Main Memory

  5. All of the above

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

RAM (Random Access Memory) is the primary memory of a computer, used to store data currently being processed by the CPU.

Multiple choice

The secondary memory is also known as

  1. external memory

  2. auxiliary memory

  3. both (1) and (2)

  4. Internal memory

  5. None of these

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

Secondary memory, which is non-volatile and used for long-term storage, is commonly referred to as both external memory and auxiliary memory.

Multiple choice

The cache memory is a part of

  1. primary memory

  2. main memory

  3. secondary memory

  4. auxiliary memory

  5. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cache memory is a high-speed memory component that sits between the CPU and the main memory (RAM) to speed up data access.

Multiple choice

CD-ROM stands for

  1. Compact Disk Read-Only Memory

  2. Cassette Disk Read-Only Memory

  3. Common Disk Read-Only Memory

  4. Colour Disk Read-Only Memory

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

CD-ROM is an acronym for Compact Disk Read-Only Memory, which is a type of optical storage medium.

Multiple choice

What do you mean by the term ROM?

  1. Random Only Memory

  2. Ready Only Memory

  3. Read Only Memory

  4. Run Only Memory

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

ROM stands for Read Only Memory, a type of non-volatile memory used in computers and other electronic devices.

Multiple choice

What do you mean by the term RAM?

  1. Random Access Memory

  2. Ready Access Memory

  3. Runnable Access Memory

  4. Ready Accountable Memory

  5. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

RAM stands for Random Access Memory, which is a form of computer data storage that can be read and changed in any order.

Multiple choice

The flexible circle of a floppy disk is called

  1. circle

  2. magnetic circle

  3. sector

  4. mylar plastic
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The magnetic storage medium inside a floppy disk is made of a thin, flexible plastic film coated with magnetic material, often referred to as Mylar.

Multiple choice

Which RAM is refreshed if a refresh operation happens?

  1. Dynamic RAM

  2. Non Dynamic RAM

  3. Ex RAM

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Dynamic RAM (DRAM) stores data in capacitors that leak charge over time, requiring periodic refresh operations to maintain the stored information.