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 primary advantage of optical storage technology over magnetic storage in terms of data longevity?

  1. Optical discs have a longer lifespan than magnetic tapes.

  2. Optical discs are less susceptible to data corruption than magnetic tapes.

  3. Optical discs can withstand higher temperatures than magnetic tapes.

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

Optical storage technology offers several advantages over magnetic storage in terms of data longevity. Optical discs have a longer lifespan than magnetic tapes, with some optical discs lasting for decades or even centuries. They are also less susceptible to data corruption than magnetic tapes, as they are not affected by magnetic fields or other environmental factors. Additionally, optical discs can withstand higher temperatures than magnetic tapes, making them more suitable for long-term storage in harsh environments.

Multiple choice

Which optical storage format is primarily used for storing and distributing movies and other video content?

  1. CD-ROM

  2. DVD-ROM

  3. Blu-ray ROM

  4. HD DVD-ROM
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DVD-ROM (Digital Versatile Disc Read-Only Memory) is primarily used for storing and distributing movies and other video content. DVDs have a higher storage capacity than CD-ROMs, allowing for the storage of full-length movies and other multimedia content. They also support higher video quality and can provide a more immersive viewing experience.

Multiple choice

Which of the following is not a storage class offered by Google Cloud Storage?

  1. Standard

  2. Nearline

  3. Coldline

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

Google Cloud Storage offers four storage classes: Standard, Nearline, Coldline, and Archive. Archive is not a storage class offered by Google Cloud Storage.

Multiple choice

Which of the following is not a factor that affects the cost of Cloud Storage?

  1. Storage class

  2. Location

  3. Data transfer

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

The cost of Cloud Storage is affected by storage class, location, and data transfer. Request frequency does not affect the cost of Cloud Storage.

Multiple choice

What is the maximum size of an object that can be stored in Cloud Storage?

  1. 5 TB

  2. 10 TB

  3. 15 TB

  4. 20 TB
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The maximum size of an object that can be stored in Cloud Storage is 5 TB.

Multiple choice

Which of the following is not a type of data transfer charge in Cloud Storage?

  1. Ingress

  2. Egress

  3. Inter-region

  4. Intra-region
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Data transfer charges in Cloud Storage include ingress, egress, and intra-region. Inter-region is not a type of data transfer charge in Cloud Storage.

Multiple choice

Which of the following storage classes offers the lowest storage cost?

  1. Standard

  2. Nearline

  3. Coldline

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

Archive storage class offers the lowest storage cost among all the storage classes in Google Cloud Storage.

Multiple choice

What is the maximum number of objects that can be stored in a single Cloud Storage bucket?

  1. 100,000

  2. 200,000

  3. 300,000

  4. 400,000
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The maximum number of objects that can be stored in a single Cloud Storage bucket is 100,000.

Multiple choice

Which of the following is not a type of request in Cloud Storage?

  1. Read

  2. Write

  3. Delete

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

Request types in Cloud Storage include read, write, and delete. Copy is not a type of request in Cloud Storage.

Multiple choice

What is the minimum storage duration required for Standard storage class?

  1. 1 day

  2. 7 days

  3. 14 days

  4. 30 days
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The minimum storage duration required for Standard storage class is 1 day.

Multiple choice

What is the maximum size of an object that can be uploaded to Cloud Storage in a single request?

  1. 5 GB

  2. 10 GB

  3. 15 GB

  4. 20 GB
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The maximum size of an object that can be uploaded to Cloud Storage in a single request is 5 GB.

Multiple choice

Which of the following is not a type of lifecycle rule in Cloud Storage?

  1. Delete

  2. Set storage class

  3. Archive

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

Lifecycle rules in Cloud Storage include delete, set storage class, and expire. Archive is not a type of lifecycle rule in Cloud Storage.

Multiple choice

What is the maximum number of lifecycle rules that can be applied to a single Cloud Storage bucket?

  1. 10

  2. 20

  3. 30

  4. 40
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The maximum number of lifecycle rules that can be applied to a single Cloud Storage bucket is 10.

Multiple choice

Which of the following is not a type of notification in Cloud Storage?

  1. Object created

  2. Object deleted

  3. Object finalized

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

Notifications in Cloud Storage include object created, object deleted, and object finalized. Object copied is not a type of notification in Cloud Storage.

Multiple choice

What is the term for the process of making regular copies of data to protect against data loss or corruption?

  1. Data retention

  2. Data destruction

  3. Data encryption

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

Data backup involves making regular copies of data to protect against data loss or corruption.