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 not true about CD-ROM?

  1. It is an optical compact disc which contains data.

  2. Computers can read and write CD-ROM.

  3. Rainbow books are associated with CD-ROM.

  4. It stores computer data in the form of text and graphics.

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

CD-ROM is not writable or erasable.

Multiple choice

Identify the incorrect statement.

  1. RAM is not permanent memory.

  2. Unlike RAM, ROM is non-random memory.

  3. The speed of a CPU is measured in megahertz and gigahertz.

  4. The speed at which a CPU executes instructions is called the clock rate.

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

Both RAM and ROM allow random access.