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

Which of the following is NOT a type of memory used in mobile devices?

  1. RAM

  2. ROM

  3. Flash memory

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

Cache memory is a type of high-speed memory used in computers and not typically found in mobile devices. RAM, ROM, and Flash memory are commonly used in mobile devices for storing data and programs.

Multiple choice

Which of the following is NOT a type of mobile device storage?

  1. Internal storage

  2. Removable storage

  3. Cloud storage

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

Virtual storage is not a type of mobile device storage. Internal storage, removable storage, and cloud storage are common types of storage used in mobile devices.

Multiple choice

Which of the following is a type of non-volatile memory?

  1. DRAM

  2. SRAM

  3. ROM

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

EEPROM stands for Electrically Erasable Programmable Read-Only Memory. It is a type of non-volatile memory that can be erased and reprogrammed electrically.

Multiple choice

What is the term for the process of backing up data to a secondary storage device?

  1. Data Backup

  2. Data Recovery

  3. Data Archiving

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

Data Backup is the process of backing up data to a secondary storage device to protect it from loss or damage.

Multiple choice

Which of the following is a type of data storage architecture?

  1. Hierarchical Storage Management (HSM)

  2. Network Attached Storage (NAS)

  3. Storage Area Network (SAN)

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

Hierarchical Storage Management (HSM), Network Attached Storage (NAS), and Storage Area Network (SAN) are all types of data storage architectures.

Multiple choice

What is the primary purpose of a Storage Area Network (SAN)?

  1. To provide block-level storage to servers

  2. To provide file-level storage to servers

  3. To provide object-level storage to servers

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

A Storage Area Network (SAN) is a high-speed network that is used to connect servers to storage devices. SANs are typically used to provide block-level storage to servers, which means that the data is stored in blocks of a fixed size.

Multiple choice

What is the primary purpose of a Network Attached Storage (NAS) device?

  1. To provide block-level storage to servers

  2. To provide file-level storage to servers

  3. To provide object-level storage to servers

  4. To provide all of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A Network Attached Storage (NAS) device is a file-level storage device that is connected to a network. NAS devices are typically used to provide file-level storage to servers and other clients on the network.

Multiple choice

What is the primary purpose of a Hierarchical Storage Management (HSM) system?

  1. To move data between different tiers of storage

  2. To backup data

  3. To archive data

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

A Hierarchical Storage Management (HSM) system is a software system that is used to manage data storage. HSM systems typically move data between different tiers of storage, such as primary storage, secondary storage, and tertiary storage. HSM systems can also be used to backup data and archive data.

Multiple choice

Which of the following is a type of cloud storage service?

  1. Object storage

  2. Block storage

  3. File storage

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

Object storage, block storage, and file storage are all types of cloud storage services. Object storage is a type of storage that stores data in objects. Block storage is a type of storage that stores data in blocks. File storage is a type of storage that stores data in files.

Multiple choice

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

  1. 5 TB

  2. 10 TB

  3. 50 TB

  4. 100 TB
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

As of 2023, the maximum size of an object that can be stored in Cloud Storage is 100 TB.

Multiple choice

Which of the following storage classes in Cloud Storage is designed for long-term, archival storage?

  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 long-term, archival storage of data that is rarely accessed.

Multiple choice

What is the minimum storage duration required for data stored in the Coldline storage class?

  1. 30 days

  2. 60 days

  3. 90 days

  4. 120 days
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Data stored in the Coldline storage class must be stored for a minimum of 90 days before it can be deleted.

Multiple choice

What is the maximum number of Cloud Storage buckets that can be created in a single project?

  1. 100

  2. 500

  3. 1000

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

The number of Cloud Storage buckets that can be created in a single project is unlimited.

Multiple choice

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

  1. 100

  2. 500

  3. 1000

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

The number of object versions that can be stored in a single Cloud Storage bucket is unlimited.

Multiple choice

What is the maximum number of ACLs 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
C Correct answer
Explanation

The maximum number of ACLs that can be applied to a single Cloud Storage bucket is 30.