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 cause of data loss and corruption in digital archives?

  1. Hardware Failures

  2. Software Errors

  3. Natural Disasters

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

Human error, such as accidental deletion, improper handling, or inadequate maintenance, is the primary cause of data loss and corruption in digital archives.

Multiple choice

Which of the following is NOT a strategy for mitigating technological obsolescence in digital archiving?

  1. Migration and Conversion

  2. Emulation and Simulation

  3. Preservation Metadata

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

Redundant storage, while important for data protection, is not a strategy for mitigating technological obsolescence, which focuses on ensuring the accessibility and usability of digital information over time.

Multiple choice

What is the most common type of mnemonic device?

  1. Rhymes

  2. Acronyms

  3. Images

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

Chunking involves grouping information into smaller, more manageable units, making it easier to remember.

Multiple choice

What is the name of the mnemonic device that uses a series of words or phrases to represent information?

  1. Imagery

  2. Chunking

  3. Acronyms

  4. Method of Loci
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Acronyms involve creating a series of words or phrases to represent information, making it easier to remember.

Multiple choice

What is the name of the mnemonic device that uses a series of physical objects to represent information?

  1. Finger Mnemonics

  2. Chunking

  3. Method of Loci

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

Object Mnemonics involve using a series of physical objects to represent information, making it easier to remember.

Multiple choice

Which mnemonic device involves creating a series of associations between information and a series of numbers?

  1. Pegword System

  2. Imagery

  3. Chunking

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

The Pegword System involves creating a series of associations between information and a series of numbers, making it easier to remember.

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

In active-active redundancy, how many devices are typically used?

  1. 1

  2. 2

  3. 3

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

Active-active redundancy typically involves two devices that are both active and forwarding traffic.

Multiple choice

Which of the following is a key architectural feature of GPUs that enables their high performance?

  1. Multiple processing cores.

  2. Large cache memory.

  3. High clock speed.

  4. Integrated graphics memory.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

GPUs typically have a large number of processing cores, also known as stream processors or CUDA cores, which allow them to execute multiple tasks simultaneously, resulting in significantly faster processing speeds for graphics-related operations.

Multiple choice

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

  1. DRAM.

  2. SRAM.

  3. GDDR6.

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

GDDR6 (Graphics Double Data Rate 6) is a high-speed memory technology specifically designed for GPUs. It offers significantly higher bandwidth and lower latency compared to traditional DRAM, making it ideal for handling the large volumes of data processed by GPUs during graphics rendering and other visual computations.

Multiple choice

Which of the following is a common type of GPU memory architecture?

  1. Unified Memory Architecture (UMA).

  2. Non-Unified Memory Architecture (NUMA).

  3. Hybrid Memory Cube (HMC).

  4. High-Bandwidth Memory (HBM).
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Unified Memory Architecture (UMA) is a memory architecture used in GPUs where all of the memory is accessible by all of the processing cores. This allows for more efficient memory management and reduces the need for data transfers between different memory regions, resulting in improved performance.

Multiple choice

Which of the following is NOT a type of home video format?

  1. DVD

  2. Blu-ray

  3. VHS

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

Streaming is a method of delivering video content over the internet, while DVD, Blu-ray, and VHS are all physical media formats.

Multiple choice

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

  1. 5 GB

  2. 10 GB

  3. 50 GB

  4. 100 GB
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

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

Multiple choice

Which of the following storage classes is the most cost-effective for storing large amounts of data that is rarely accessed?

  1. Standard

  2. Nearline

  3. Coldline

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

Coldline is the most cost-effective storage class for storing large amounts of data that is rarely accessed. It offers lower storage costs than Standard and Nearline, but it has higher retrieval costs.

Multiple choice

What is the default storage class for objects that are uploaded to Google 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 that are uploaded to Google Cloud Storage is Standard. Standard storage is the most flexible and accessible storage class, but it is also the most expensive.