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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) .

2001.

The secondary storage devices can only store data but they cannot perform

A. Arithmetic Operation
B. Logic operation
C. Fetch operations
D. Either of these
E. None of these
Answer» D. Either of these
2002.

A physical connection between the microprocessor memory and other parts of the microcomputer is known as :

A. Path
B. Address bus
C. Route
D. All of these
E. None of these
Answer» B. Address bus
2003.

A group of magnetic tapes, videos or terminals usually under the control of one master is :

A. Cylinder
B. Surface
C. Track
D. Cluster
E. None of these
Answer» D. Cluster
2004.

Each model of a computer has a unique :

A. Assembly of a computer
B. Machine language
C. High level language
D. All of these
E. None of these
Answer» B. Machine language
2005.

Which company is the biggest player in the microprocessor industry?

A. Motorola
B. IBM
C. Intel
D. AMD
E. None of these
Answer» C. Intel
2006.

Which computer memory is used for storing programs and data currently being processed by the CPU?

A. Mass memory
B. Internal memory
C. Non-volatile memory
D. PROM
E. Flash memory
Answer» B. Internal memory
2007.

Microprocessors can be used to make

A. Computer
B. Digital systems
C. Calculators
D. All of these
E. None of these
Answer» D. All of these
2008.

The subject of cybernetics deals with the science of

A. Genetics
B. Control and communications
C. Molecular biology
D. Biochemistry
E. None of these
Answer» B. Control and communications
2009.

Which command is used to set a name to a disk in DOS?

A. VOLUME
B. VOL
C. LABEL
D. DISKLABEL
E. None of these
Answer» C. LABEL
2010.

Superscript, subscript, outline, emboss, engrave are known as

A. font styles
B. font effects
C. word art
D. text effects
E. None of these
Answer» B. font effects
2011.

Shimmer, Sparkle text, Blinking Background etc. are known as

A. font styles
B. font effects
C. word art
D. text effects
E. None of these
Answer» D. text effects
2012.

Which of the following is not available in Font Spacing?

A. Normal
B. Loosely
C. Condensed
D. Expanded
E. None of these
Answer» B. Loosely
2013.

Bold, Italic, Regular are known as

A. font styles
B. font effects
C. word art
D. text effects
E. None of these
Answer» A. font styles
2014.

If you begin typing an entry into a cell and then realize that you don’t want your entry placed into a cell, you :

A. Press the Erase key
B. Press Esc
C. Press the Enter button
D. Press the Edit Formula button
E. None of these
Answer» B. Press Esc
2015.

Which of the following will not cut information?

A. Pressing Ctrl + C
B. Selecting Edit > Cut from the menu
C. Clicking the Cut button on the standard
D. Pressing Ctrl + X
E. None of these
Answer» A. Pressing Ctrl + C
2016.

Computer connected to a LAN (Local Area Network) can

A. run faster
B. go on line
C. share information and /or share peripheral equipment
D. E-mail
E. None of these
Answer» C. share information and /or share peripheral equipment
2017.

A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is………….

A. Bug
B. Vice
C. Lice
D. Worm
E. None of these
Answer» D. Worm
2018.

Unwanted repetitious messages, such as unsolicited bulk e-mail is known as

A. Spam
B. Trash
C. Calibri
D. Courier
E. None of these
Answer» A. Spam
2019.

COBOL is widely used in………. applications

A. Commercial
B. Scientific
C. Space
D. Mathematical
E. None of these
Answer» A. Commercial
2020.

VDU is also called

A. Screen
B. Monitor
C. Both (a) & (b)
D. Printer
E. None of these
Answer» C. Both (a) & (b)
2021.

What kind of software would you most likely use to keep track of billing account?

A. Word Processing
B. Electronic Publishing
C. Spreadsheet
D. Web authoring
E. None of these
Answer» C. Spreadsheet
2022.

Test the validity of the statements?

A. 1 KB = 1024 BYTES
B. 1 MB = 2048 BYTES
C. 1 MB = 1000 KILOBYTES
D. 1 KB = 1000 BYTES
E. None of these
Answer» A. 1 KB = 1024 BYTES
2023.

Which of the following is not a computer language?

A. BASIC
B. C++
C. C#
D. Java
E. Microsoft
Answer» E. Microsoft
2024.

Now a days Vishing has become a criminal practice of using social engineering over which of the following?

A. Social networking sites
B. Mobile Phones
C. E-mails
D. Cyber cafes
E. All of these
Answer» B. Mobile Phones
2025.

What is the fullform of W3C?

A. World Wide Web Consortium
B. World Wide Web Company
C. World Wide Web Center
D. World Wide Web Command
E. None of these
Answer» A. World Wide Web Consortium
2026.

In the MICR Code Line Structure what do represent the first three digits of Sort field number consisting of nine digits?

A. City
B. Bank
C. Branch
D. Account Type
E. None of these
Answer» A. City
2027.

Most of the internet banking sites provide which of the following feature to reduce the risk of keystroke logging for the password entry?

A. Virtual keyboard
B. Finger Touching
C. Touchscreen
D. ShapeWriter
E. Dasher
Answer» A. Virtual keyboard
2028.

ADSL data communications technology uses which of the following for faster data transmission?

A. Voiceband modem
B. Wireless Modem
C. Copper telephone Lines
D. Sockets
E. None of these
Answer» C. Copper telephone Lines
2029.

What is the purpose of keeping electronic devices such as computers, televisions, and remote controlled devices on Sleep mode?

A. Reduce Power consumption
B. Back up
C. To write contents of RAM to hard disc
D. To improve download speed
E. None of these
Answer» A. Reduce Power consumption
2030.

What is the ultimate purpose of Defragmentation?

A. Make the PC faster
B. Create More Free Space
C. Delete temporary files
D. Reduce Power consumption
E. All of these
Answer» B. Create More Free Space
2031.

The purpose of the primary key in a database is to :

A. unlock the database
B. provide a map of the data
C. uniquely identify a record
D. establish constraints on database operations
E. None of these
Answer» B. provide a map of the data
2032.

The design of the network is called the network :

A. architecture
B. server
C. transmission
D. type
E. None of these
Answer» A. architecture
2033.

The most frequently used instructions of a computer program are likely to be fetched from :

A. the hard disk
B. cache memory
C. RAM
D. registers
E. None of these
Answer» B. cache memory
2034.

Personal logs or journal entries posted on the Web are known as :

A. listservs
B. Webcasts
C. blogs
D. subject directories
E. None of these
Answer» C. blogs
2035.

Linux is a(n)………..operating system.

A. open-source
B. Microsoft
C. Windows
D. Mac
E. None of these
Answer» A. open-source
2036.

Which of the following places the common data elements in order from smallest to largest

A. character, file, record, field, database
B. character, record, field, database, file
C. character, field, record, file, database
D. Bit, byte, character, record, field, file, database
E. None of these
Answer» C. character, field, record, file, database
2037.

Which of the following statements is FALSE concerning file names?

A. Files may share the same name or the same extension but not both
B. Every file in the same folder must have a unique name
C. File extension is another name for file type
D. The file extension comes before the dot (.) followed by the name
E. None of these
Answer» D. The file extension comes before the dot (.) followed by the name
2038.

Which of the following would most likely NOT be a symptom of a virus?

A. Existing program files and icons disappear.
B. The CD-ROM stops functioning.
C. The Web browser opens to an unusual home page.
D. Odd messages or images are displayed on the screen.
E. None of these
Answer» B. The CD-ROM stops functioning.
2039.

………..are lists of commands that appear on the screen.

A. GUIs
B. Icons
C. Menus
D. Windows
E. None of these
Answer» C. Menus
2040.

What is the correct association between a hardware component and a computer function?

A. Monitor > input
B. Mouse > input
C. CPU > storage
D. Hard disk > processing
E. None of these
Answer» B. Mouse > input
2041.

What is the function of Drop Cap?

A. It does not allow capital letters to be used in the documents.
B. It makes first letter of each word capital letter in the documents.
C. It lets you begin a paragraph with a large dropped initial capital letter.
D. It automatically starts all paragraphs and sentences with capital letters.
E. None of these
Answer» C. It lets you begin a paragraph with a large dropped initial capital letter.
2042.

The errors that can be pointed out by the compiler are :

A. Syntax error
B. Symantic error
C. Logical error
D. Internal error
E. None of these
Answer» A. Syntax error
2043.

To move to the bottom of a document, press……….

A. Auto summarize
B. Home key
C. Ctrl + Home key
D. End key
E. Ctrl + End key
Answer» E. Ctrl + End key
2044.

By default, your documents print in ……..……mode.

A. Landscape
B. Portrait
C. Page setup
D. Print preview
E. None of these
Answer» B. Portrait
2045.

What’s the name for the program or service that lets you view e-mail messages?

A. Web browser
B. E-mail clients
C. E-mail ID
D. Internet
E. None of these
Answer» B. E-mail clients
2046.

What does the SMTP in an SMTP server stand for?

A. Simple Mail Transfer Protocol
B. Server Message Test Phase
C. Short Messaging Text Process
D. Short Messaging Transfer Protocol
E. None of these
Answer» C. Short Messaging Text Process
2047.

What’s considered the “backbone” of the World Wide Web?

A. Uniform resource locator (URL)
B. Hypertext mark-up language (HTML)
C. Hypertext transfer protocol (HTTP)
D. File transfer protocol (FTP)
E. None of these
Answer» C. Hypertext transfer protocol (HTTP)
2048.

We access the World Wide Web using :

A. Browsers
B. Instant messaging applications
C. High bandwidth
D. Search engine
E. None of these
Answer» A. Browsers
2049.

The internet began with the development of:

A. USENET
B. ARPANET
C. Ethernet
D. Intranet
E. None of these
Answer» B. ARPANET
2050.

A wireless network uses……….waves to transmit signals.

A. mechanical
B. radio
C. sound
D. magnetic
E. None of these
Answer» B. radio

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