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 primary function of a GPU's memory controller?

  1. Managing data transfer between GPU and CPU

  2. Scheduling GPU tasks

  3. Processing graphics data

  4. Storing textures and framebuffers
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The GPU's memory controller is responsible for managing the flow of data between the GPU and the CPU, ensuring efficient data transfer for graphics processing.

Multiple choice

Which type of GPU memory is commonly used in high-end graphics cards?

  1. GDDR6X

  2. HBM3

  3. SRAM

  4. DDR4
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

GDDR6X (Graphics Double Data Rate 6X) is a high-performance type of GPU memory that provides extremely high bandwidth and is often found in high-end graphics cards.

Multiple choice

Which of the following is NOT a type of GPU memory?

  1. GDDR5

  2. HBM2e

  3. SRAM

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

ECC (Error Correcting Code) is a technology used to detect and correct errors in data transmission, but it is not a type of GPU memory.

Multiple choice

What is the purpose of a GPU's framebuffer?

  1. Storing textures and pixel data

  2. Processing graphics data

  3. Managing data transfer between GPU and CPU

  4. Scheduling GPU tasks
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The GPU's framebuffer is responsible for storing textures, pixel data, and other information required for rendering graphics.

Multiple choice

Which type of GPU memory is known for its high capacity and low cost?

  1. GDDR6

  2. HBM2

  3. SRAM

  4. DDR3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DDR3 (Double Data Rate 3) is a type of memory commonly used in older GPUs, offering high capacity and low cost.

Multiple choice

What is the primary role of a GPU's texture cache?

  1. Storing frequently used textures

  2. Managing data transfer between GPU and CPU

  3. Processing graphics data

  4. Scheduling GPU tasks
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The GPU's texture cache is designed to store frequently used textures, reducing the need to fetch them from main memory and improving performance.

Multiple choice

Which type of GPU memory is commonly used in mobile devices and embedded systems?

  1. GDDR5

  2. HBM2

  3. LPDDR5

  4. DDR4
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

LPDDR5 (Low Power Double Data Rate 5) is a type of memory specifically designed for mobile devices and embedded systems, offering low power consumption and high bandwidth.

Multiple choice

Which type of GPU memory is known for its extremely high bandwidth and is often used in supercomputers?

  1. GDDR6X

  2. HBM3

  3. SRAM

  4. DDR5
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

HBM3 (High Bandwidth Memory 3) is a cutting-edge type of GPU memory that offers extremely high bandwidth and is often found in supercomputers and high-performance computing systems.

Multiple choice

Which type of GPU memory is commonly used in budget-friendly graphics cards?

  1. GDDR6

  2. HBM2

  3. DDR4

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

DDR4 (Double Data Rate 4) is a type of memory that is often used in budget-friendly graphics cards, offering a balance of performance and cost.

Multiple choice

Which type of GPU memory is known for its low power consumption and is often used in laptops and ultrabooks?

  1. GDDR6

  2. HBM2

  3. LPDDR4X

  4. DDR5
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

LPDDR4X (Low Power Double Data Rate 4X) is a type of memory that is designed for low power consumption and is commonly found in laptops and ultrabooks.

Multiple choice

Which of the following is a key component of both DLM and ILM?

  1. Data Retention Policies

  2. Data Storage Strategies

  3. Data Backup and Recovery Plans

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

Data Retention Policies are a key component of both DLM and ILM, as they define the rules for how long data and information should be retained before being destroyed.

Multiple choice

Which of the following is NOT a common data storage strategy used in DLM and ILM?

  1. Primary Storage

  2. Secondary Storage

  3. Tertiary Storage

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

Tertiary Storage is not a common data storage strategy used in DLM and ILM. It refers to long-term, offline storage that is typically used for archival purposes.

Multiple choice

What is the process of accessing and using information from memory called?

  1. Encoding

  2. Storage

  3. Retrieval

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

Retrieval is the process of accessing and using information from memory.

Multiple choice

What is the primary advantage of object storage over traditional file storage?

  1. Scalability

  2. Durability

  3. Cost-effectiveness

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

Object storage is highly scalable, allowing for the storage of massive amounts of data without performance degradation.

Multiple choice

Which object storage technology is designed for storing small, frequently accessed data objects?

  1. Hadoop Distributed File System (HDFS)

  2. Cassandra

  3. MongoDB

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

Redis is an in-memory data structure store that is designed for storing small, frequently accessed data objects.