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

Three different kinds of memories are?

  1. Primary, secondary, online

  2. Primarily, secondary, offline

  3. Primary, secondary, offline

  4. None
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Computer memory is generally categorized into primary memory (RAM/ROM), secondary memory (HDD/SSD), and offline storage (removable media).

Multiple choice

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

  1. GDDR6

  2. HBM2

  3. SRAM

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

SRAM is not a type of graphics memory. It is a type of high-speed memory that is used in CPUs and GPUs.

Multiple choice

Which technology is commonly used for long-term preservation of digital language archives?

  1. Cloud storage

  2. Magnetic tape

  3. Optical discs

  4. Solid-state drives
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Magnetic tape is commonly used for long-term preservation of digital language archives due to its high storage capacity, durability, and cost-effectiveness.

Multiple choice

What was the first commercially successful compact disc player?

  1. The Sony CDP-101

  2. The Philips CD100

  3. The Magnavox CDV480

  4. The JVC XL-V1
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Sony CDP-101 was introduced in 1982 and quickly became popular with consumers.

Multiple choice

What is the best way to store your outdoor photos?

  1. On a hard drive

  2. In the cloud

  3. On a memory card

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

All of these methods are good for storing your outdoor photos. Storing your photos on a hard drive will give you the most control over your files, storing them in the cloud will allow you to access them from anywhere, and storing them on a memory card will make it easy to transfer them to your computer or other devices.

Multiple choice

Which of the following is a common data storage system used in astroinformatics?

  1. Distributed file systems

  2. Cloud storage

  3. Object storage

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

Distributed file systems, cloud storage, and object storage are commonly used data storage systems in astroinformatics for handling large volumes of astronomical data.

Multiple choice

What is the best way to store and organize wedding photos?

  1. On a hard drive

  2. In the cloud

  3. On a USB drive

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

Storing wedding photos in the cloud is the best way to ensure that they are safe and accessible from anywhere.

Multiple choice

What is the name of the distributed file system used by Hadoop?

  1. HDFS

  2. GFS

  3. Ceph

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

HDFS (Hadoop Distributed File System) is the distributed file system used by Hadoop.

Multiple choice

What is the term for the process of regularly backing up data to a separate location?

  1. Data replication

  2. Data recovery

  3. Data archival

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

Data backup involves copying and storing data in a separate location to protect against data loss or corruption.

Multiple choice

Which data storage technology is commonly used for storing large-scale astroinformatics data?

  1. Hard disk drives (HDDs)

  2. Solid-state drives (SSDs)

  3. Cloud storage

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

Cloud storage is commonly used for storing large-scale astroinformatics data due to its scalability, flexibility, and cost-effectiveness. Cloud platforms provide on-demand storage capacity and allow researchers to access and process data from anywhere with an internet connection.

Multiple choice

Which of the following is an example of a long-term memory store?

  1. Sensory memory

  2. Short-term memory

  3. Episodic memory

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

Episodic memory is an example of a long-term memory store. It involves the storage of personal experiences and events.

Multiple choice

What is the process of forgetting information called?

  1. Encoding

  2. Storage

  3. Retrieval

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

Decay is the process of forgetting information. It involves the gradual loss of information over time.

Multiple choice

What is the process of transferring information from short-term memory to long-term memory called?

  1. Encoding

  2. Storage

  3. Retrieval

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

Consolidation is the process of transferring information from short-term memory to long-term memory. It involves the formation of new neural pathways.

Multiple choice

Which type of storage device is commonly used in Media Center PCs for storing large media files?

  1. HDD

  2. SSD

  3. NAS

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

HDDs (Hard Disk Drives) are commonly used in Media Center PCs for storing large media files due to their high capacity and relatively low cost.

Multiple choice

What is the primary advantage of using a solid-state drive (SSD) in a Media Center PC?

  1. Faster boot times

  2. Improved loading speeds

  3. Reduced noise

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

SSDs (Solid-State Drives) offer several advantages in Media Center PCs, including faster boot times, improved loading speeds, and reduced noise.