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 term used for the process of synchronizing data between two or more storage systems?

  1. Data replication

  2. Data migration

  3. Data synchronization

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

Data synchronization involves keeping data consistent across multiple storage systems.

Multiple choice

Which object storage technology is designed for storing large, append-only data sets?

  1. Hadoop Distributed File System (HDFS)

  2. Cassandra

  3. MongoDB

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

Cassandra is a distributed database designed for storing large, append-only data sets.

Multiple choice

What is the default file system used by Ubuntu Touch?

  1. ext4

  2. btrfs

  3. ZFS

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

Ubuntu Touch primarily utilizes the ext4 file system, known for its stability, performance, and wide support.

Multiple choice

Which of the following is a distributed file system used in Hadoop?

  1. HDFS

  2. NFS

  3. FAT32

  4. ext4
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

HDFS (Hadoop Distributed File System) is a distributed file system used in Hadoop for storing large amounts of data.

Multiple choice

What is the purpose of a DataNode in HDFS?

  1. Stores data blocks

  2. Manages file system metadata

  3. Performs data processing

  4. Handles client requests
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

DataNodes in HDFS are responsible for storing data blocks.

Multiple choice

What is the purpose of a secondary NameNode in HDFS?

  1. Stores data blocks

  2. Manages file system metadata

  3. Performs data processing

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

Secondary NameNodes in HDFS are used to periodically merge the file system metadata edits from the NameNode into the fsimage file.

Multiple choice

Which type of memory is responsible for storing long-term information, such as facts and events?

  1. Short-term memory

  2. Long-term memory

  3. Working memory

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

Long-term memory is the type of memory that stores information for an extended period of time, ranging from minutes to years. It includes both explicit memory, which involves consciously recalling information, and implicit memory, which involves performing learned skills and habits without conscious awareness.

Multiple choice

Which of the following is a type of storage device?

  1. Printer

  2. Scanner

  3. Hard disk drive

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

A hard disk drive is a storage device used to store data on magnetic disks.

Multiple choice

What is the term used to describe the process of adjusting GPU memory timings?

  1. GPU Memory Overclocking

  2. GPU Memory Tuning

  3. GPU Memory Optimization

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

GPU Memory Tuning involves adjusting the timings of the GPU's memory modules to optimize performance and stability. This can result in improved frame rates and reduced latency in graphics-intensive applications.

Multiple choice

What is the term used to describe the process of modifying the GPU's BIOS?

  1. GPU BIOS Flashing

  2. GPU BIOS Overclocking

  3. GPU BIOS Tuning

  4. GPU BIOS Optimization
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

GPU BIOS Flashing involves modifying the GPU's BIOS to adjust various settings, such as clock speeds, voltages, and power limits. This can be done to achieve higher overclocking potential or to enable additional features not available at stock settings.

Multiple choice

Which of the following is not a common type of GPU memory?

  1. GDDR6

  2. HBM2

  3. DDR4

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

GDDR6, HBM2, and SRAM are all common types of GPU memory. DDR4, on the other hand, is a type of main memory that is typically used in CPUs.

Multiple choice

What are the two main types of data archiving?

  1. Online archiving and offline archiving

  2. Hot archiving and cold archiving

  3. Primary archiving and secondary archiving

  4. Active archiving and inactive archiving
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Online archiving involves storing data on a storage medium that is directly accessible by users, while offline archiving involves storing data on a storage medium that is not directly accessible by users.

Multiple choice

Which of these factors can contribute to increased power consumption in GPUs?

  1. Higher clock speeds

  2. More cores

  3. Larger memory capacity

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

All of the mentioned factors can contribute to increased power consumption in GPUs.

Multiple choice

Which of the following is a factor that can affect GPU performance?

  1. GPU architecture

  2. GPU clock speed

  3. GPU memory bandwidth

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

GPU architecture, GPU clock speed, and GPU memory bandwidth can all affect GPU performance.

Multiple choice

Which of the following is not a common type of GPU memory?

  1. GDDR6

  2. HBM2

  3. DDR5

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

DDR5 is a type of system memory used in computers, while GDDR6, HBM2, and VRAM are specialized types of GPU memory designed for high-bandwidth and low-latency graphics processing.