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

In RAM, we can

  1. read

  2. write

  3. read and write

  4. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

RAM (Random Access Memory) is volatile memory that allows the CPU to both read data from and write data to it during operation.

Multiple choice

RAM means

  1. random access memory

  2. ready access memory

  3. regular access memory

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

RAM is random access memory

Multiple choice

______ and ______ are the storage devices.

  1. Floppy disk and compact disk (CDs)

  2. Hard disk and compact disk (CDs)

  3. Pen drive and zip disk

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Floppy disks, CDs, hard disks, pen drives, and zip disks are all valid examples of secondary storage devices used to store data.

Multiple choice

The time taken to detect the platter, track and sector by a disk is called

  1. Seek Time

  2. Latency time

  3. Access Time

  4. Reading Time
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Access time in computer storage is the total time required by a disk drive to locate and retrieve requested data, which includes both seek time and rotational latency time. Therefore, the comprehensive metric encompassing platter, track, and sector detection is access time.

Multiple choice

FDD stands for

  1. fixed data drive

  2. Fluctuating digital drive

  3. Fixed digital drive

  4. Floppy disk drive
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In computing, FDD stands for Floppy Disk Drive, a device that reads and writes data to removable floppy disks.

Multiple choice

Earliest floppy disks were invented at

  1. HCL

  2. Microsoft Corporation

  3. IBM

  4. HP Compaq
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

IBM is credited with developing the first floppy disk in the late 1960s, introducing the 8-inch disk to the market in 1971.