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

What is the recommended frequency for backing up data?

  1. Daily

  2. Weekly

  3. Monthly

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

It is recommended to back up data daily to ensure that you have a recent copy of your data in case of data loss or a cyberattack.

Multiple choice

What are some of the key factors that affect the performance of CAES systems?

  1. Compression ratio

  2. Storage pressure

  3. Storage temperature

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

The performance of CAES systems is affected by a number of factors, including the compression ratio, storage pressure, and storage temperature.

Multiple choice

What is the typical storage capacity of a streaming media player?

  1. 8GB

  2. 16GB

  3. 32GB

  4. 64GB
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Most streaming media players have a storage capacity of 8GB, which is sufficient for storing apps and a limited amount of downloaded content.

Multiple choice

What type of knowledge is stored in semantic memory?

  1. Procedural knowledge

  2. Episodic knowledge

  3. Semantic knowledge

  4. Declarative knowledge
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Semantic memory stores semantic knowledge, which refers to our general knowledge about the world, including concepts, facts, and their relationships.

Multiple choice

What is the purpose of a computer's random access memory (RAM)?

  1. To store data and instructions that are currently being processed by the CPU

  2. To store data that is not currently being processed by the CPU

  3. To connect to the internet

  4. To display information on a screen
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

RAM (random access memory) is a type of computer memory that stores data and instructions that are currently being processed by the CPU. It is volatile memory, meaning that the data stored in RAM is lost when the computer is turned off.

Multiple choice

What is the purpose of a computer's hard disk drive (HDD)?

  1. To store data that is not currently being processed by the CPU

  2. To store data and instructions that are currently being processed by the CPU

  3. To connect to the internet

  4. To display information on a screen
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A hard disk drive (HDD) is a type of computer storage device that stores data that is not currently being processed by the CPU. It is non-volatile memory, meaning that the data stored on an HDD is retained even when the computer is turned off.

Multiple choice

What is the function of memory?

  1. To store data and instructions

  2. To perform calculations and logical operations

  3. To control the flow of data and instructions

  4. To communicate with other computers
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Memory is used to store data and instructions that are being processed by the computer.

Multiple choice

What is the function of storage?

  1. To store data and instructions

  2. To perform calculations and logical operations

  3. To control the flow of data and instructions

  4. To communicate with other computers
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Storage is used to store data and instructions that are not currently being processed by the computer.

Multiple choice

Which format is commonly used for long-term storage of digital audio files?

  1. WAV

  2. MP3

  3. AAC

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

FLAC (Free Lossless Audio Codec) is a lossless audio format that preserves the original quality of the audio signal without any loss of data, making it suitable for long-term storage and archival purposes.

Multiple choice

Which of the following is a best practice for secure data disposal?

  1. Delete files from the recycle bin

  2. Format storage devices

  3. Physically destroy storage devices

  4. Overwrite data with random characters
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Physically destroying storage devices is the most secure way to dispose of data, as it ensures that the data cannot be recovered.

Multiple choice

Which storage medium is commonly used for storing dance videography footage?

  1. Hard disk drive

  2. Solid-state drive

  3. Memory card

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

Solid-state drives (SSDs) are often preferred for storing dance videography footage due to their fast read and write speeds, ensuring smooth playback and editing.

Multiple choice

What is the term for a temporary storage area in memory where frequently accessed data is stored to improve query performance?

  1. Cache

  2. Buffer

  3. Pool

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

A buffer is a temporary storage area in memory where frequently accessed data is stored to improve query performance. It acts as a bridge between the main memory and the disk, reducing the number of disk accesses and speeding up data retrieval.

Multiple choice

Which of the following is NOT a type of memory process?

  1. Encoding

  2. Storage

  3. Retrieval

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

Forgetting is not a memory process, but rather a result of the decay or interference of memories over time.

Multiple choice

The process of maintaining information in memory over time is known as:

  1. Encoding

  2. Storage

  3. Retrieval

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

Storage is the process of maintaining information in memory over time.

Multiple choice

Which of the following is NOT a type of storage?

  1. Short-term memory

  2. Long-term memory

  3. Sensory memory

  4. Working memory
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sensory memory is not a type of storage, but rather a temporary store of sensory information that lasts for a very brief period of time.