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

Reusable optical storage will typically have the acronym

1. CD
2. DVD
3. ROM
4. RW

✅ Correct Answer: 4

The most common type of storage devices are

1. Steel
2. optical
3. magnetic
4. flash

✅ Correct Answer: 2

A device that connects to a network without the use of cables is said to be

1. Distributed
2. free
3. centralized
4. none of these

✅ Correct Answer: 4

A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a

1. Hacker
2. spammer
3. instant messenger
4. programmer

✅ Correct Answer: 1

To access properties of an object, the mouse technique to use is

1. Dragging
2. dropping
3. right-clicking
4. shift-clicking

✅ Correct Answer: 3

A DVD is an example of a (n)

1. hard disk
2. optical disc
3. output device
4. solid-state storage device

✅ Correct Answer: 2

The process of transferring files from a computer on the Internet to your computer is called

1. Downloading
2. uploading
3. FTP
4. JPEG

✅ Correct Answer: 1

is the process of dividing the disk into tracks and sectors

1. Tracking
2. Formatting
3. Crashing
4. Allotting

✅ Correct Answer: 2

Help Menu is available at which button?

1. End
2. Start
3. Turnoff
4. Restart

✅ Correct Answer: 2

The technology that stores only the essential instructions on a microprocessor chip and thus enhances its speed is referred to as

1. CISC
2. RISC
3. CD-ROM
4. Wi-Fi

✅ Correct Answer: 2

Which is not a basic function of a computer?

1. Store data
2. Store data
3. Process data
4. Copy text

✅ Correct Answer: 4

ASCII is a coding system that provides

1. 256 different characters
2. 512 different characters
3. 1024 different characters
4. 128 different characters

✅ Correct Answer: 3

Which part of the computer is directly involved in executing the instructions of the computer program?

1. The scanner
2. The main storage
3. The secondary storage
4. The processor

✅ Correct Answer: 4

When a computer is switched on, the booting process performs

1. Integrity Test
2. Power-On Self-Test
3. Correct Functioning Test
4. Reliability Test

✅ Correct Answer: 2

A computer system that is old and perhaps not satisfactory is referred to as a(n)

1. Ancient system
2. Historical system
3. Age old system
4. Legacy system

✅ Correct Answer: 4

Which of the following is not a binary number?

1. 1
2. 101
3. 202
4. 110

✅ Correct Answer: 3

Which of the following does not store data permanently?

1. ROM
2. RAM
3. Floppy Disk
4. Hard Disk

✅ Correct Answer: 2

Which of the following is the smallest storage?

1. Megabyte
2. Gigabyte
3. Terabyte
4. None of these

✅ Correct Answer: 4

Which of the following contains permanent data and gets updated during the processing of transactions?

1. Operating System File
2. Transaction file
3. Software File
4. Master file

✅ Correct Answer: 4

Which of the following helps to protect floppy disks from data getting accidentally erased?

1. Access notch
2. Write-protect notch
3. Entry notch
4. Input notch

✅ Correct Answer: 2

A modem is connected to

1. a telephone line
2. a keyboard
3. a printer
4. a monitor

✅ Correct Answer: 1

Large transaction processing systems in automated organisations use

1. Online processing
2. Batch Processing
3. Once-a-day Processing
4. End-of-day processing

✅ Correct Answer: 2

In a computer, most processing takes place in

1. Memory
2. RAM
3. motherboard
4. CPU

✅ Correct Answer: 4

Which of the following is not a storage medium?

1. Hard disk
2. Flash drive
3. DVD
4. scanner

✅ Correct Answer: 4

The computer abbreviation KB usually means

1. Key Block
2. Kernel Boot
3. Kilo Byte
4. Kit Bit

✅ Correct Answer: 3

The typical computer criminal is a(n):

1. Young hacker
2. Trusted employee with no criminal record.
3. Trusted employee with a long, but unknown criminal record.
4. Overseas young cracker

✅ Correct Answer: 2

The common name for the crime of stealing passwords is:

1. Jacking
2. Identity theft
3. Spoofing
4. Hacking

✅ Correct Answer: 3

Collecting personal information and effectively posing as another individual is known as the crime of

1. Spooling
2. Identity theft
3. Spoofing
4. Hacking

✅ Correct Answer: 2

Malicious software is known as:

1. Badware
2. Malware
3. Maliciousware
4. Illegalware

✅ Correct Answer: 2

A program that performs a useful task while simultaneously allowing destructive acts is a:

1. Worm
2. Trojan horse
3. Virus
4. Macro virus

✅ Correct Answer: 2

An intentionally disruptive program that spreads from program to program or from disk to disk is known as a:

1. Trojan horse
2. Virus
3. Time bomb
4. Time-related bomb sequence

✅ Correct Answer: 2

In 1999, the Melissa virus was a widely publicised

1. E-mail virus
2. Macro virus
3. Trojan horse
4. Time bomb

✅ Correct Answer: 1

What type of virus uses computer hosts to reproduce itself?

1. Time bomb
2. Worm
3. Melissa virus
4. Macro virus

✅ Correct Answer: 2

The thing that eventually terminates a worm virus is a lack of

1. Memory or disk space
2. Time
3. CD drives space
4. CD-RW

✅ Correct Answer: 1

When a logic bomb is activated by a time-related event, it is known as a:

1. Time-related bomb sequence
2. Virus
3. Time bomb
4. Trojan horse

✅ Correct Answer: 3

A logic bomb that was created to erupt on Michelangelo‘s birthday is an example of a:

1. Time-related bomb sequence
2. Virus
3. Time bomb
4. Trojan horse

✅ Correct Answer: 3

What is the name of an application program that gathers user information and sends it to someone through the Internet?

1. A virus
2. Spybot
3. Logic bomb
4. Security patch

✅ Correct Answer: 2

----- is the measurement of things such as fingerprints and retinal scans used for security access.

1. Biometrics
2. Bio measurement
3. Computer security
4. Smart weapon machinery

✅ Correct Answer: 1

What is the most common tool used to restrict access to a computer system?

1. User logins
2. Passwords
3. Computer keys
4. Access-control software

✅ Correct Answer: 2

Hardware or software designed to guard against unauthorized access to a computer network is known as a(n):

1. Hacker-proof program
2. Firewall
3. Hacker-resistant server
4. Encryption safe wall

✅ Correct Answer: 2

The scrambling of code is known as:

1. Encryption
2. a firewall
3. Scrambling
4. Password proofing

✅ Correct Answer: 1

To prevent the loss of data during power failures, use a(n):

1. Encryption program
2. Surge protector
3. Firewall
4. UPS

✅ Correct Answer: 4

--Is defined as any crime completed through the use of computer technology.

1. Computer forensics
2. Computer crime
3. Hacking
4. Cracking

✅ Correct Answer: 2

--- refers to electronic trespassing or criminal hacking.

1. Cracking
2. Jacking
3. Spoofing
4. Smarming

✅ Correct Answer: 1

The first electronic computer was developed by

1. J.V. Attansoff
2. Bill Gates
3. Simur Cray
4. Winton Serf

✅ Correct Answer: 1

Snowbol is an/a--------

1. Operating system
2. HLL
3. Software
4. Search engine

✅ Correct Answer: 2

Switching device of fifth generation computer is------

1. Vacuum tubes
2. Transistors
3. IC
4. VLSI

✅ Correct Answer: 4

------ computers operates essentially by counting

1. Portable computer
2. Hybrid computer
3. Analog computer
4. Digital computer

✅ Correct Answer: 4

---- computer is small general purpose micro computer, but larger than portable computer

1. Hybrid
2. Digital
3. Desktop
4. Laptop

✅ Correct Answer: 3

Cathode Ray Tube is a form of.......

1. Keyboard
2. Mouse
3. Monitor
4. Mother board

✅ Correct Answer: 3

Trackball is a.........

1. Input device
2. Output device
3. Programming language
4. Software

✅ Correct Answer: 1

computer is a medium sized computer

1. Micro
2. Mainframe
3. Super
4. Mini

✅ Correct Answer: 4

computer are of large size

1. Micro
2. Mainframe
3. Super
4. Mini

✅ Correct Answer: 2

Note book, laptop,palm,hand-held computers are coming under the category of computer

1. Digital computer
2. Mainframe computer
3. Portable computer
4. Hybrid computer

✅ Correct Answer: 3

Light pen and joystick are...........

1. Algorithm
2. Input devices
3. Output devices
4. Portals

✅ Correct Answer: 2

Touch Screen is............

1. Input device
2. Output device
3. Both a & b above
4. None of these

✅ Correct Answer: 3

printer is the cheapest in terms of price and operating cost

1. Inkjet
2. Laser
3. Thermal
4. Dot matrix

✅ Correct Answer: 4

printer is a non-impact printer and is quite in working

1. Inkjet
2. Laser
3. Thermal
4. Dot matrix

✅ Correct Answer: 1

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Computer Awareness MCQ Competitive Exam - Sample Test 10