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

Which EBS Volume is suitable for applications requiring high I/O such as a NoSQL Database?

  1. Cold HDD (SC1)

  2. Provisioned IOPS SSD (IO1)

  3. General Purpose SSD GP2

  4. Throughput Optimized HDD (ST1)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Provisioned IOPS SSD (IO1) volumes are designed for applications requiring consistent, high I/O performance like NoSQL databases. They provide guaranteed IOPS rates and low latency, unlike HDD volumes which are better for sequential access.

Multiple choice meaning and elements of computer system computer in accounting accountancy

All are included in removable media except the following :-

  1. CD-ROMs

  2. Diskette

  3. DVDs

  4. High disk drive

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All are included in removable media except the following High disk drive.

Removable media is any type of storage device that can be removed from a computer while the system is running. Examples of removable media include CDs, DVDs and Blu-Ray disks, as well as diskettes and USB drives. Removable media makes it easy for a user to move data from one computer to another.

Disk usage (DU) refers to the portion or percentage of computer storage that is currently in use. It contrasts with disk space or capacity, which is the total amount of space that a given disk is capable of storing. Disk usage is often measured in kilobytes (KB), megabytes (MB), gigabytes (GB) and/or terabytes (TB).

An external hard drive is a portable storage device that can be attached to a computer through a USB or FireWire connection, or wirelessly. External hard drives typically have high storage capacities and are often used to back up computers or serve as a network drive.

Multiple choice meaning and elements of computer system computer in accounting accountancy

Keeping Library in digital form ______________.

  1. Digital book keeping

  2. Digital library

  3. Digital book recording

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

Keeping library in digital form is called digital library.

A digital library is an online database of digital objects that can include text, still images, audio, video, or other digital media formats. The digital content may be stored locally, or accessed remotely via computer networks.

 

A digital library is a collection of documents in organized electronic form, available on the Internet or on CD-ROM (compact-disk read-only memory) disks. Depending on the specific library, a user may be able to access magazine articles, books, papers, images, sound files, and videos.

 

 

Multiple choice elements of accounts overview of computerised accounting system accounting software concepts and types of computerized accounting system types of accounting software

Under ___________, data is stored before being actually processed.

  1. arithmetic and logic unit

  2. memory unit

  3. control unit

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

The memory unit is responsible for storing data and instructions before they are processed and after they are processed.

Multiple choice elements of accounts overview of computerised accounting system accounting software concepts and types of computerized accounting system types of accounting software

Reading instructions out of memory unit, decoding instructions and setting up the routing of data are the functions of __________.

  1. input unit

  2. memory unit

  3. control unit

  4. arithmetic and logic unit
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The control unit is the component of the CPU that directs the operation of the processor. It manages the instruction cycle by fetching, decoding, and executing instructions, as well as controlling data flow.

Multiple choice elements of accounts overview of computerised accounting system accounting software concepts and types of computerized accounting system types of accounting software

In ______ unit, data is stored before being actually processed.

  1. arithmetic and logic

  2. memory

  3. control

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

In memory unit data is stored before being actually processed. The data so stored is accessed and processed according to a set of instructions which are also stored in the memory of the computer well before such data is transmitted to the memory from input devices.

Multiple choice

Name the missing components of Primary Memory in the diagram

  1. BIOS, RAM

  2. L1 Cache, RAM

  3. RAM, ROM

  4. L2 Cache, ROM
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Primary memory (or main memory) in a computer consists of RAM (Random Access Memory) for temporary data storage and ROM (Read-Only Memory) for permanent boot instructions.

Multiple choice

What is paging?

  1. Providing more virtual RAM than physical RAM exists

  2. RAM overflow

  3. Increasing virtual RAM capacity by compressing data

  4. Using RAM to store and access files like a disk
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Paging is a memory management scheme that allows a computer to store and access more memory than is physically available in RAM by swapping data between RAM and the disk.

Multiple choice

In computing what is RAM short for

  1. Random Access Memory

  2. Routine Access Memory

  3. Remote Access Memory

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

RAM stands for Random Access Memory, which is the primary volatile memory used by a computer to store data currently in use.

Multiple choice

What is a thread?

  1. It is used for sewing

  2. It is the smallest sequence of programmed instructions

  3. It is the measurement of the computer memory

  4. It is a synonym for linked list
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A thread is the smallest unit of execution within a process. It represents a sequence of programmed instructions that can be managed independently by a scheduler.