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 a good way to store digital files?

  1. On a hard drive

  2. On a flash drive

  3. On a CD or DVD

  4. On a piece of paper
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Storing digital files on a piece of paper is not a good way to store them because the data can be easily lost or damaged.

Multiple choice

Which invention made it possible to store and retrieve large amounts of data?

  1. Hard disk drive

  2. Solid-state drive

  3. Magnetic tape

  4. Optical disc
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The hard disk drive, invented in the 1950s, revolutionized data storage by providing high-capacity and reliable storage for computers.

Multiple choice

What is the best way to store a focus stack?

  1. On a hard drive.

  2. On a memory card.

  3. In the cloud.

  4. On a CD or DVD.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Hard drives are the best way to store focus stacks because they are large enough to hold large files and they are relatively inexpensive. Memory cards and CDs or DVDs can also be used to store focus stacks, but they are not as reliable as hard drives.

Multiple choice

What is the best way to store and organize event photos?

  1. Use a cloud-based storage platform

  2. Create a physical photo album

  3. Use a dedicated hard drive

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

Event photographers typically use a combination of methods to store and organize their photos.

Multiple choice

Which invention made it possible to store and retrieve large amounts of data?

  1. Hard Disk Drive

  2. Floppy Disk

  3. Compact Disc

  4. Flash Memory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The hard disk drive, invented in the 1950s, made it possible to store and retrieve large amounts of data.

Multiple choice

What was the primary purpose of the floppy disk?

  1. Storing data

  2. Playing music

  3. Displaying images

  4. Running software
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The floppy disk was a storage device used for storing data on magnetic disks enclosed in a square plastic casing.

Multiple choice

What was the main function of the cassette tape?

  1. Recording and playing audio

  2. Storing data

  3. Displaying images

  4. Running software
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The cassette tape was an audio storage medium used for recording and playing audio content.

Multiple choice

Which spintronic device is commonly used for non-volatile memory applications?

  1. Spin-Transfer Torque Magnetic Random-Access Memory (STT-MRAM)

  2. Dynamic Random-Access Memory (DRAM)

  3. Static Random-Access Memory (SRAM)

  4. Flash Memory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

STT-MRAM utilizes the spin of electrons to store information in magnetic tunnel junctions.

Multiple choice

Which of the following is NOT a type of memory enhancement technique?

  1. Mnemonic devices

  2. Spaced repetition

  3. Chunking

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

Imagery is not a type of memory enhancement technique, but rather a cognitive process that can be used to improve memory.

Multiple choice

Which of these is NOT a common backup method used for travel photos?

  1. External hard drive

  2. Cloud storage

  3. Memory card

  4. USB flash drive
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Memory cards are not typically used as a backup method for travel photos. Instead, photographers usually copy their photos to an external hard drive, cloud storage, or USB flash drive to ensure they have multiple copies of their photos.

Multiple choice

What is the primary storage medium used in solid state memories?

  1. Magnetic disks

  2. Optical disks

  3. Semiconductor chips

  4. Magnetic tapes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Solid state memories utilize semiconductor chips as their primary storage medium, which allow for fast data access and storage.

Multiple choice

Which type of solid state memory is known for its non-volatile nature and ability to retain data even when power is turned off?

  1. DRAM

  2. SRAM

  3. EEPROM

  4. Flash memory
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Flash memory is a type of non-volatile solid state memory that can retain data even when power is turned off, making it suitable for long-term storage.

Multiple choice

What is the primary advantage of DRAM (Dynamic Random Access Memory) over SRAM (Static Random Access Memory)?

  1. Lower power consumption

  2. Higher storage capacity

  3. Faster access speed

  4. Lower cost
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DRAM offers higher storage capacity compared to SRAM due to its ability to store more data in a single memory cell.

Multiple choice

In the context of solid state memories, what does the term 'cell' refer to?

  1. A single memory location

  2. A group of memory locations

  3. A storage unit for data

  4. A semiconductor material
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In solid state memories, a cell refers to a single memory location that can store a bit of data.

Multiple choice

Which type of solid state memory is commonly used in USB flash drives and solid state drives (SSDs)?

  1. DRAM

  2. SRAM

  3. EEPROM

  4. Flash memory
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Flash memory is widely used in USB flash drives and solid state drives due to its non-volatile nature, high storage capacity, and relatively low cost.