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2100+ Important Computer MCQs For Competitive Exams part-1 Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Common Topics in Competitive and Entrance exams , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) .

1101.

What does the Ctrl + I shortcut key accomplish in MS-Word?

A. It makes the selected text bold
B. It adds a line break to the document
C. It applies italic formatting to the selected text
D. It converts selected text into the next larger size of the same font
E. None of the above
Answer» C. It applies italic formatting to the selected text
1102.

To access and display documents on the web, you must have a communication standard called………

A. DNS
B. URL
C. HTTP
D. HTML
E. None of these
Answer» B. URL
1103.

In concern of databases, what does OLTP stands for?

A. On-Line Transfer Process
B. On-Line Transfer Protocol
C. On-Line Transaction Protocol
D. On-Line Transaction Processing
E. None of the above
Answer» D. On-Line Transaction Processing
1104.

The toolbar in which you can type a web address is the………..Bar?

A. Address
B. Format
C. Status
D. Navigation
E. None
Answer» A. Address
1105.

You are entering a paragraph in a word processing program. When the cursor gets to the end of the line, what is the best way to get the cursor to the next line?

A. Press the ENTER key
B. Press the TAB key
C. Press the ESCAPE key
D. Just keep typing
E. None of the above
Answer» D. Just keep typing
1106.

………..is the process of sending same e- mail message to a selected group of recipients.

A. Multicasting
B. Spamming
C. Webcasting
D. Broadcasting
E. None of these
Answer» A. Multicasting
1107.

The default opening/beginning webpage of a website is called………..

A. Index page
B. Search page
C. Homepage
D. Feedback
E. None of these
Answer» C. Homepage
1108.

Hotmail, a free web-based email service operated by which company?

A. Apple
B. Rediff
C. Microsoft
D. Yahoo
E. Google
Answer» C. Microsoft
1109.

When a user turns on a Windows XP system, which program will activate first?

A. Exhaust fan of SMPS will start rotating
B. Windows XP logo screen appear with progress bar
C. Operating System start to load its file in RAM
D. Desktop screen appear with mouse pointer
E. BIOS the in-charge of system start executing
Answer» E. BIOS the in-charge of system start executing
1110.

The term, “Hypertext”, means…………

A. Non-sequential writing
B. Hypermedia
C. Text with heavy formatting
D. Blinking text
E. None of these
Answer» B. Hypermedia
1111.

After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered :

A. Data
B. output
C. input
D. the process
E. None of these
Answer» B. output
1112.

Making illegal copies of copyrighted software is called…………

A. software piracy
B. browsing
C. collaboration
D. electronic distribution
E. None of these
Answer» A. software piracy
1113.

The action of moving a page up or down on the screen is called…………

A. scrolling
B. linking
C. lurking
D. framing
E. None of these
Answer» A. scrolling
1114.

Provides a fast, economical and convenient way to send messages to another computer using a modem.

A. e-mail
B. sms
C. chating
D. internet
E. None of these
Answer» A. e-mail
1115.

Bug means

A. A logical error in a program
B. Documenting programs using an efficient Documentation too
C. A difficult syntax error in a program
D. A virus
E. None of the above
Answer» A. A logical error in a program
1116.

An input device used to read text and bar codes or a device to input pictures into a computer.

A. printer
B. scanner
C. reader
D. hardware
E. None of these
Answer» B. scanner
1117.

The bar that is usually located immediately below the menu bar in a window is called a……

A. tool bar
B. task bar
C. catalog bar
D. window bar
E. None of these
Answer» A. tool bar
1118.

Networks are monitored by security personnel and supervised by………..who set(s) up accounts and passwords for authorized network users.

A. IT managers
B. the government
C. network administrators
D. password administrators
E. None of these
Answer» C. network administrators
1119.

Computer follows a simple principle called GIGO which means :

A. garbage input good output
B. garbage in garbage out
C. great instructions great output
D. good input good output
E. None of these
Answer» B. garbage in garbage out
1120.

Multiple choice examination answer sheets can be evaluated automatically by :

A. Optical Mark Reader
B. Optical Character Reader
C. Magnetic tape reader
D. Magnetic ink character reader
E. None of these
Answer» A. Optical Mark Reader
1121.

Magnetic tapes are good storage media for :

A. backup and low volume data
B. backup and high volume data
C. storing original but low volume data
D. storing original but high volume data
E. None of these
Answer» B. backup and high volume data
1122.

………is a signaling method that handles a relatively wide range of frequencies.

A. Broadband
B. DSL
C. Dial-up
D. Both (a) & (c)
E. None of these
Answer» A. Broadband
1123.

When you connect to the……..your computer is communicating with a server at your Internet service provider (ISP).

A. Modem
B. Internet
C. Phoneline
D. Mobile
E. None of these
Answer» B. Internet
1124.

The components that process data are located in the :

A. input devices
B. output devices
C. system unit
D. storage component
E. None of these
Answer» D. storage component
1125.

When you save to……..your data will remain intact even when the computer is turned off.

A. RAM
B. motherboard
C. secondary storage device
D. primary storage device
E. None of these
Answer» C. secondary storage device
1126.

The motherboard is the………..

A. circuit board that houses peripheral devices
B. same as the CPU chip
C. the first dup that is accessed when the computer is turned on
D. circuit board that contains a CPU and other chips
E. None of these
Answer» D. circuit board that contains a CPU and other chips
1127.

Which of the following commands is used for deleting a file permanently from computer?

A. Shift + del
B. Ctrl + del
C. Ctrl + shift
D. Alt + del
E. None of these
Answer» A. Shift + del
1128.

You would use ……….software to create spreadsheets, type documents, and edit photos.

A. application
B. system
C. windows
D. designing
E. None of these
Answer» A. application
1129.

Most computer systems rely solely on……..for authentication.

A. logins
B. passwords
C. encryption
D. lock and key
E. None of these
Answer» B. passwords
1130.

The basic memory in which random access in not possible is called :

A. ROM
B. RAM
C. Cache
D. Flash
E. None of these
Answer» A. ROM
1131.

What type of virus uses computer hosts to reproduce itself?

A. Time bomb
B. Worm
C. Melissa virus
D. Macro virus
E. None of these
Answer» B. Worm
1132.

Macintosh computers use the Macintosh operating system (Mac OS), whereas PCs generally run………..as an operating system.

A. MS Office
B. Microsoft Windows
C. Software
D. COBOL
E. None of these
Answer» B. Microsoft Windows
1133.

The………..button on the quick access Toolbar allows you to cancel your recent commands or actions.

A. Search
B. Cut
C. Document
D. Undo
E. None of these
Answer» D. Undo
1134.

Which of the following holds the ROM, CPU, RAM and expansion cards?

A. Hard disk
B. Cache memory
C. Mother board
D. CPU
E. None of the above
Answer» C. Mother board
1135.

The communication line between the CPU, memory and peripherals is called a :

A. Bus
B. line
C. media
D. cable
E. None of these
Answer» A. Bus
1136.

………..is a tool to browse all disks connected to the computer.

A. Internet Explorer
B. Windows Explorer
C. My Computer
D. Control Panel
E. None of these
Answer» B. Windows Explorer
1137.

In the URL www.abc.com, .com signifies that it is a commercial site. Which of the following extension specifies that the site is an educational site.

A. .org
B. .edu
C. .com
D. .net
E. None of these
Answer» B. .edu
1138.

The Third Generation Computer was made with……….

A. Vacuum Tube
B. Discrete Components
C. IC
D. Bio Chips
E. None of these
Answer» C. IC
1139.

The resolution of the screen is indicated by:

A. pixels
B. dots
C. lines
D. colors
E. None of these
Answer» A. pixels
1140.

Which of the following is not computer language?

A. High level language
B. Medium level language
C. Low level language
D. All of the above
E. None of these
Answer» B. Medium level language
1141.

Which of the following package is best suited for preparing ‘Presentation’?

A. Excel
B. Unix
C. Windows
D. Power point
E. None of these
Answer» D. Power point
1142.

What is System Analysis?

A. The design of the screen the user will see and use to enter or display data
B. System analysis defines the format and type of data the program will use
C. System Analysis involves creating formal model of the problem to be solved
D. All of these
E. None of these
Answer» C. System Analysis involves creating formal model of the problem to be solved
1143.

When a network is confined to a single location, it is called :

A. Local Area Network
B. Wide area Network
C. Internet
D. Intranet
E. None of these
Answer» A. Local Area Network
1144.

These chips are specifically designed to handle the processing requirements related to displaying and manipulating 3-D images.

A. Graphics coprocessors
B. Arithmetic-logic unit processors
C. Control unit processors
D. CISC chips
E. None of these
Answer» A. Graphics coprocessors
1145.

………is a process of creating a duplicate set of programs or data files for safekeeping.

A. booting
B. initializing
C. backing up
D. restoring
E. None of these
Answer» C. backing up
1146.

For web navigation following software is/are used :

A. Google Chrome
B. Mozila Firefox
C. Internet Explorer
D. All of these
E. None of these
Answer» D. All of these
1147.

Which of the following types of printers can be classified as a non-impact printer?

A. Dot Matrix Printers
B. Daisy Wheel Printers
C. Drum Printers
D. Ink Jet Printers
E. None of these
Answer» D. Ink Jet Printers
1148.

The devices are connected in motherboard via :

A. ports
B. hubs
C. switches
D. bus
E. None of these
Answer» A. ports
1149.

Loading Operating System onto RAM is called :

A. Printing
B. Saving
C. Booting
D. Starting
E. None of these
Answer» C. Booting
1150.

A file name has two parts ie; Primary name and Extension name, which are separated by a:

A. space
B. comma
C. dot
D. colon
E. None of these
Answer» C. dot

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