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 are the different types of file systems?

  1. Hierarchical file systems, flat file systems, and network file systems.

  2. FAT, NTFS, and ext4.

  3. Local file systems and remote file systems.

  4. Public file systems and private file systems.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

There are three main types of file systems: hierarchical file systems, flat file systems, and network file systems. Hierarchical file systems are the most common type of file system. They organize files and directories in a tree-like structure. Flat file systems store all files in a single directory. Network file systems allow users to access files that are stored on other computers over a network.

Multiple choice

Which of the following is NOT a type of storage class in Cloud Storage?

  1. Standard

  2. Coldline

  3. Nearline

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

Archive is not a type of storage class in Cloud Storage. The available storage classes are Standard, Coldline, and Nearline.

Multiple choice

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

  1. 5 TB

  2. 10 TB

  3. 25 TB

  4. 50 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 supported storage location in Cloud Storage?

  1. US

  2. EU

  3. Asia

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

Cloud Storage does not offer storage locations in Antarctica.

Multiple choice

What is the process of moving data from Cloud Storage to another storage location called?

  1. Data transfer

  2. Data migration

  3. Data replication

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

The process of moving data from Cloud Storage to another storage location is called data transfer.

Multiple choice

What is the maximum number of lifecycle rules that can be applied to an object in Cloud Storage?

  1. 1

  2. 5

  3. 10

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

The maximum number of lifecycle rules that can be applied to an object in Cloud Storage is 10.

Multiple choice

Which memory type is typically used for storing data that is frequently accessed by the GPU?

  1. Global Memory

  2. Shared Memory

  3. Local Memory

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

Shared memory is a type of GPU memory that is shared among threads within a thread block, providing fast access to frequently used data.

Multiple choice

Which memory type is typically used for storing data that is rarely accessed by the GPU?

  1. Global Memory

  2. Shared Memory

  3. Local Memory

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

Global memory is a type of GPU memory that is accessible by all threads in a GPU program, but it has slower access speeds compared to other memory types.

Multiple choice

Which of the following is NOT a common type of caching mechanism?

  1. Write-through caching

  2. Write-back caching

  3. Read-through caching

  4. No-cache
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

No-cache is not a caching mechanism; it indicates that data should not be cached.

Multiple choice

What are the key considerations for selecting appropriate storage media for digital archives?

  1. Cost-effectiveness and scalability

  2. Reliability and durability

  3. Data security and protection

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

Selecting appropriate storage media for digital archives involves considering factors such as cost-effectiveness, scalability, reliability, durability, and data security.

Multiple choice

What is the recommended frequency of data transmission in RPM?

  1. Daily

  2. Weekly

  3. Monthly

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

The frequency of data transmission in RPM is typically determined based on the patient's condition and the specific parameters being monitored. It can range from daily to as needed.

Multiple choice

Which of the following is NOT a key characteristic of digital archiving technologies?

  1. Scalability

  2. Accessibility

  3. Reliability

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

Digital archiving technologies are characterized by their intangible nature, as they store information in electronic formats rather than physical media.

Multiple choice

The concept of (n-1) redundancy in digital archiving refers to:

  1. Maintaining multiple copies of digital information

  2. Storing data in different formats

  3. Using error-correcting codes

  4. Implementing encryption algorithms
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

(n-1) redundancy involves creating and maintaining multiple copies of digital information to ensure its preservation and accessibility in case of data loss or corruption.

Multiple choice

Which of the following is a common type of memory used in embedded systems?

  1. SRAM

  2. DRAM

  3. ROM

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

Flash memory is widely used in embedded systems due to its non-volatile nature, high endurance, and ability to store large amounts of data.

Multiple choice

What is the best way to store a dance video?

  1. On a hard drive

  2. On a DVD

  3. On a cloud storage service

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

Storing a dance video on a cloud storage service allows you to access it from anywhere and share it with others easily. This is the best option for long-term storage.