laboursonline – MCQs, Mock Tests | UPSC,PCS,CDS,NDA Computer Awareness MCQ Competitive Exam

BIOS stands for

1. Basic Input Output system
2. Binary Input output system
3. Basic Input Off system
4. all the above

✅ Correct Answer: 1

Father of “C‘ programming language

1. Dennis Ritchie
2. Prof John Keenly
3. Thomas Kurtz
4. Bill Gates

✅ Correct Answer: 1

The instructions that tell a computer how to carry out the processing tasks are referred to as computer.........

1. programs
2. processors
3. input devices
4. memory modules

✅ Correct Answer: 1

An area of a computer that temporarily holds data waiting to be processed is..........

1. CPU
2. Memory
3. Storage
4. File

✅ Correct Answer: 2

is the key to close a selected drop -down list; cancel a command and close a dialog box

1. TAB
2. SHIFT
3. ESC
4. F10

✅ Correct Answer: 3

is the key we use to run the selected command

1. SHIFT
2. TAB
3. ENTER
4. CTRL

✅ Correct Answer: 3

Is the functional key to display save-as box

1. F5
2. F6
3. F9
4. F12

✅ Correct Answer: 4

Data becomes ................ when it is presented in a format that people can understand and use

1. processed
2. graphs
3. information
4. presentation

✅ Correct Answer: 3

The term ............. designates equipment that might be added to a computer system to enhance its functionality.

1. digital device
2. system add-on
3. disk pack
4. peripheral device

✅ Correct Answer: 4

A ............ is a microprocessor -based computing device.

1. personal computer
2. mainframe
3. workstation
4. server

✅ Correct Answer: 1

RAM can be treated as the ......... for the computer's processor

1. factory
2. operating room
3. waiting room
4. planning room

✅ Correct Answer: 3

Which of the following are the functions of a operating system

1. Allocates resources
2. Monitors Activities
3. Manages disks and files
4. All of the above

✅ Correct Answer: 4

To move a copy of file from one computer to another over a communication channel is called?

1. File transfer
2. File encryption
3. File modification
4. File copying

✅ Correct Answer: 1

The primary function of the ............ is to set up the hardware and load and start an operating system

1. System Programs
2. BIOS
3. CP
4. Memory

✅ Correct Answer: 2

What kind of memory is both static and non -volatile?

1. RAM
2. ROM
3. BIOS
4. CACHE

✅ Correct Answer: 2

is computer software designed to operate the computer hardware and to provide platform for running application software

1. Application software
2. System software
3. Software
4. Operating system

✅ Correct Answer: 2

The ......... is the amount of data that a storage device can move from the storage medium to the Computer per second

1. data migration rate
2. data digitizing rate
3. data transfer rate
4. data access rate

✅ Correct Answer: 3

A device; which is not connected to CPU; is called as .......

1. land-line device
2. On-line device
3. Off-line device
4. Device

✅ Correct Answer: 3

What is the other name for programmed chip?

1. RAM
2. ROM
3. LSIC
4. PROM

✅ Correct Answer: 3

On-line real time systems become popular in ........... generation

1. First Generation
2. Second Generation
3. Third Generation
4. Fourth Generation

✅ Correct Answer: 3

You use a(n) .....; such as a keyboard or mouse; to input information

1. output device
2. input device
3. storage device
4. processing device

✅ Correct Answer: 2

is the ability of a device to "jump" directly to the requested data

1. Sequential access
2. Random access
3. Quick access
4. All of the above

✅ Correct Answer: 2

provides process and memory management services that allow two or more tasks; jobs; or programs to run simultaneously

1. Multitasking
2. Multithreading
3. Multiprocessing
4. Multicomputing

✅ Correct Answer: 1

The task of performing operations like arithmetic and logical operations is called......

1. Processing
2. Storing
3. Editing
4. Sorting

✅ Correct Answer: 1

ALU and Control Unit jointly known as

1. RAM
2. ROM
3. CPU
4. PC

✅ Correct Answer: 3

RAM is an example of

1. Secondary memory
2. Primary memory
3. Main memory
4. Both (1) and (2)

✅ Correct Answer: 2

Magnetic disk is an example of

1. Secondary memory
2. Primary memory
3. Main memory
4. Both (1) and (2)

✅ Correct Answer: 1

Which one of the following is NOT a computer language

1. MS-Excel
2. BASIC
3. COBOL
4. C++

✅ Correct Answer: 1

RAM is also called as

1. Read / Write Memory
2. Long Memory
3. Permanent Memory
4. Primary Memory

✅ Correct Answer: 1

Store data or information temporarily and pass it on as directed by the control unit

1. Address
2. Register
3. Number
4. Memory

✅ Correct Answer: 2

Select the Odd one

1. Operating system
2. Interpreter
3. Compiler
4. Assembler

✅ Correct Answer: 1

A ............ is an additional set of commands that the computer displays after you make a selection from the main menu

1. dialog box
2. submenu
3. menu selection
4. All of the above

✅ Correct Answer: 1

COBOL is an acronym for.........

1. Common Business Oriented Language
2. Computer Business Oriented Language
3. Common Business Operated Language
4. Common Business Organized Language

✅ Correct Answer: 1

All of the following are examples of real security and privacy risks EXCEPT

1. hackers
2. Spam
3. Viruses
4. identity theft

✅ Correct Answer: 2

Which of the following is NOT one of the four major data processing functions of a computer?

1. gathering data
2. processing data into information
3. analyzing the data or information
4. storing the data or information

✅ Correct Answer: 3

All of the following are examples of storage devices EXCEPT :

1. hard disk drives
2. printers
3. floppy disk drives
4. CD drives

✅ Correct Answer: 2

The CPU and memory are located on the :

1. expansion board
2. motherboard
3. storage device
4. output device

✅ Correct Answer: 2

is the science that attempts to produce machines that display the same type of intelligence that humans do

1. Nanoscience
2. Nanotechnology
3. Simulation
4. Artificial intelligence (Al)

✅ Correct Answer: 4

Servers are computers that provide resources to other computers connected to a :

1. networked
2. mainframe
3. supercomputer
4. client

✅ Correct Answer: 2

When creating a computer program; the ......... designs the structure of the program

1. End user
2. System Analyst
3. Programmer
4. All of the above

✅ Correct Answer: 2

A computer program that converts an entire program into machine language at one time is called a/ an

1. Interpreter
2. simulator
3. characters
4. compiler

✅ Correct Answer: 3

Computers process data into information by working exclusively with :

1. multimedia
2. word
3. numbers
4. characters

✅ Correct Answer: 3

The difference between people with access to computers and the Internet and those without this access is known as the :

1. digital divide
2. Internet divide
3. Web divide
4. E-illiteracy

✅ Correct Answer: 1

Computers manipulate data in many ways; and this manipulation is called......

1. upgrading
2. processing
3. batching
4. utilizing

✅ Correct Answer: 2

The ability to recover and read deleted or damaged files from a criminal's computer is an example of a law enforcement speciality called:

1. robotics
2. simulation
3. computer forensics
4. animation

✅ Correct Answer: 3

Where does most data go first with in a computer memory hierarchy ?

1. RAM
2. ROM
3. BIOS
4. CACHE

✅ Correct Answer: 1

The………….data mining technique derives rules from real-world case examples

1. Rule discover
2. Signal processing
3. Neural nets
4. Case-based reasoning

✅ Correct Answer: 3

……….are used to identify a user who returns to a Website

1. Cookies
2. Plug-ins
3. Scripts
4. ASPs

✅ Correct Answer: 1

Codes consisting of lines of varying widths or lengths that are computer-readable are known as

1. an ASCII code
2. a magnetic tape
3. an OCR scanner
4. a bar code

✅ Correct Answer: 4

Why is it unethical to share copyrighted files with your friends?

1. It is not unethical; because it is legal.
2. It is unethical because the files are being given for free.
3. Sharing copyrighted files without permission breaks copyright laws
4. It is not unethical because the files are being given for free.

✅ Correct Answer: 3

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Computer Awareness MCQ Competitive Exam - Sample Test 9