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

What is the process of preserving data on a mobile device called?

  1. Preservation

  2. Conservation

  3. Retention

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

Preservation is the process of protecting data on a mobile device from modification or destruction.

Multiple choice

Which of the following is NOT a common method of game preservation?

  1. Emulation

  2. Archiving

  3. Re-release

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

Re-release is not a common method of game preservation as it involves creating a new version of the game, rather than preserving the original.

Multiple choice

Which of the following is NOT a common threat to game preservation?

  1. Bit rot

  2. Media degradation

  3. Copyright issues

  4. Hardware failure
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Copyright issues are not a direct threat to game preservation, as they primarily affect the distribution and availability of games, not their preservation.

Multiple choice

Which type of content is typically cached by a CDN?

  1. Static content such as images, CSS, and JavaScript files

  2. Dynamic content such as web pages generated on the fly

  3. Large media files such as videos and audio

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

A CDN typically caches static content such as images, CSS, and JavaScript files, which are frequently requested and do not change frequently.

Multiple choice

Which of the following audio formats is commonly used for storing audio data on CDs?

  1. WAV

  2. AIFF

  3. MP3

  4. Red Book CD-DA
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Red Book CD-DA (Compact Disc Digital Audio) is a lossless audio format that is commonly used for storing audio data on CDs.

Multiple choice

Which of the following audio formats is commonly used for storing audio data on DVDs?

  1. WAV

  2. AIFF

  3. MP3

  4. DVD-Audio
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DVD-Audio is a lossless audio format that is commonly used for storing audio data on DVDs.

Multiple choice

Which of the following audio formats is commonly used for storing audio data on MiniDiscs?

  1. WAV

  2. AIFF

  3. MP3

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

MiniDiscs store audio data using the ATRAC (Adaptive Transform Acoustic Coding) lossy audio format.

Multiple choice

What is the term used to describe the practice of regularly backing up important data to a separate storage location?

  1. Data recovery

  2. Data encryption

  3. Data backup

  4. Data restoration
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Data backup is the practice of regularly copying and storing important data to a separate storage location, such as an external hard drive or cloud storage, to protect it from loss or corruption.

Multiple choice

What is the importance of backing up data regularly?

  1. To recover data in case of accidental deletion or device failure

  2. To improve the performance of computer systems

  3. To prevent unauthorized access to sensitive data

  4. To comply with legal and regulatory requirements
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Backing up data regularly is crucial for protecting against data loss due to accidental deletion, device failure, or other unforeseen events. By creating regular backups, organizations and individuals can ensure that they have a copy of their data that can be restored in case of data loss.

Multiple choice

Which of the following is NOT a type of memory involved in multimedia processing?

  1. Short-term memory

  2. Long-term memory

  3. Working memory

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

Sensory memory is not a type of memory involved in multimedia processing. Short-term memory, long-term memory, and working memory are the primary types.

Multiple choice

Which theory suggests that our memories are stored in a hierarchical fashion, with some memories being more accessible than others?

  1. The hierarchical memory theory

  2. The distributed memory theory

  3. The levels-of-processing theory

  4. The dual-coding theory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The hierarchical memory theory suggests that our memories are stored in a hierarchical fashion, with some memories being more accessible than others. This theory is based on the observation that some memories are easier to recall than others. It is also supported by the fact that memories can be organized into different categories and subcategories, which can help to make them more accessible.

Multiple choice

What is the default storage class for objects in Cloud Storage?

  1. STANDARD

  2. NEARLINE

  3. COLDLINE

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

The default storage class for objects in Cloud Storage is STANDARD, which provides a balance of performance, durability, and cost.

Multiple choice

Which storage class is designed for data that is rarely accessed and can tolerate higher latency?

  1. STANDARD

  2. NEARLINE

  3. COLDLINE

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

The NEARLINE storage class is designed for data that is rarely accessed and can tolerate higher latency. It offers lower storage costs compared to the STANDARD storage class.

Multiple choice

Which storage class is designed for data that is infrequently accessed and can tolerate long retrieval times?

  1. STANDARD

  2. NEARLINE

  3. COLDLINE

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

The COLDLINE storage class is designed for data that is infrequently accessed and can tolerate long retrieval times. It offers the lowest storage costs among the storage classes.

Multiple choice

Which storage class is designed for data that is rarely accessed and can tolerate very long retrieval times?

  1. STANDARD

  2. NEARLINE

  3. COLDLINE

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

The ARCHIVE storage class is designed for data that is rarely accessed and can tolerate very long retrieval times. It offers the lowest storage costs and is suitable for long-term archival purposes.