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

Information travels between components on the motherboard through

  1. flash memory

  2. CMOS

  3. bays

  4. buses

  5. peripherals
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Buses are the electrical pathways that enable data transfer between the CPU, memory, and other components on the motherboard. Flash memory is storage, CMOS is BIOS memory, bays house drives, and peripherals are external devices. Only buses serve as the communication highway within the motherboard itself.

Multiple choice

Magnetic tape is not practical for applications where data must be quickly recalled because tape is

  1. a random-access medium

  2. a sequential-access medium

  3. a read-only medium

  4. fragile and easily damaged

  5. an expensive storage medium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Magnetic tape is a sequential-access medium, meaning data must be read in order - to reach a specific point, you must fast-forward through all preceding data. This makes it impractical for applications requiring quick random access to specific data items. Random-access media (like disks) can directly access any location, while sequential nature is tape's fundamental limitation for quick data retrieval.

Multiple choice

Which of the following is/are the true statements?

  1. Cache memory is faster than main memory.

  2. Cache memory stores data for temporary use.

  3. Cache memory consumes less access time as compared to main memory.

  4. All of the above

  5. Only (1) and (3) are true
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All of the are true statement about Cache memory.

Multiple choice

In which of the following addressing mode, the address of the operand is given in the instruction and data is available in the memory location which is provided in instruction?

  1. Index addressing mode

  2. Relative addressing mode

  3. Direct addressing mode

  4. Indirect addressing mode

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

In this mode, address of the operand is given in the instruction and data is available in the memory location which is provided in instruction.

Multiple choice

Which of the following is/are false about virtual memory?

  1. It allows multiple programs to share the same physical memory.

  2. It allows programmers to write code as though they have a very large amount of main memory.

  3. Virtual memory automatically handles bringing in data from disk.

  4. All of the above

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

This is an incorrect statement as virtual memory is not responsible for this task. Virtual memory is neither a control program nor a control device.

Multiple choice

Which of the following addressing modes is used to determine the effective address by adding the content of the program counter to the address part of the instruction?

  1. Index addressing mode

  2. Relative addressing mode

  3. Direct addressing mode

  4. Indirect addressing mode

  5. Immediate addressing mode
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In the relative addressing mode, effective address is determined by adding the content of the program counter to the address part of the instruction.

Multiple choice

Which of the following types of block allocation in storage management is the one in which blocks of variable sizes are used for storage of data?

  1. Fixed block storage allocation

  2. Variable block storage allocation

  3. Fixed non-contiguous storage allocation

  4. Variable contiguous storage allocation

  5. Push
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This type of block allocation in storage management is the one in which blocks of variable sizes are used for storage of data.