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

Select the option which gives the correct descending order of the memory in a computer in terms of speed?

  1. CPU registers, RAM, flash memory, cache memory, hard drives, tape storage

  2. Cache memory, CPU registers, RAM, flash memory, hard drives, tape storage

  3. CPU registers, RAM, cache memory, hard drives, flash memory, tape storage

  4. CPU registers, RAM, cache memory, flash memory, hard drives, tape storage

  5. CPU registers, cache memory, RAM, flash memory, hard drives, tape storage
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The correct order is CPU registers, cache memory, RAM,  flash/USB,  hard drive, tape storage.

Multiple choice

Which of the following decodes( interprets) the retrieved (from the program stored in memory) instructions and then send them for further processing?

  1. RAM

  2. Monitor

  3. Motherboard

  4. ALU

  5. CU
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

CU retrieves the instructions using registers one by one from the program, which is stored in the memory. The instructions are interpreted (or decoded) by the control unit itself, and then the decoded instructions are sent to the ALU for processing.

Multiple choice

What is the function of Base Address Register?

  1. It holds the address of the data item to be retrieved from the main memory.

  2. It holds the starting address of the memory stack.

  3. It holds the address of the next instruction to be executed.

  4. It holds the instruction code currently being executed.

  5. It holds the address of the top element of the memory stack.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is done by Base Address Register.