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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) .

1201.

Sofy copy refers to :

A. printed output
B. music sounds
C. screen output
D. digitizing
E. None of these
Answer» D. digitizing
1202.

Meaningful file name helps in easy file :

A. Storing
B. Accessing
C. Identification
D. Printing
E. None of these
Answer» C. Identification
1203.

LAN stands for :

A. Local Access Network
B. Local Area Network
C. Logical Access Network
D. Logical Area Network
E. None of these
Answer» B. Local Area Network
1204.

MS-DOS is a……..operating system.

A. point-and-click
B. user-friendly
C. command-driven
D. Mac
E. None of these
Answer» C. command-driven
1205.

All of the following are TRUE regarding virtual memory EXCEPT :

A. any amount of RAM can be allocated to virtual memory
B. the setting for the amount of hard drive space to allocate to virtual memory can be manually changed
C. this temporary storage is called the swap file (or page file)
D. virtual memory is physical space on the hard drive
E. None of these
Answer» A. any amount of RAM can be allocated to virtual memory
1206.

……….controls the way in which the computer system functions and provides a means by which users can interact with the computer.

A. The platform
B. Application software
C. Operating System
D. The motherboard
E. None of these
Answer» C. Operating System
1207.

What is top-level domain name of following URL http.//www.yahoo.com/ mail/default.asp?

A. http
B. www
C. yahoo
D. .com
E. asp
Answer» D. .com
1208.

Which of the following devices typically attaches to a parallel port?

A. Keyboard
B. Mouse
C. Monitor
D. Printer
E. None of these
Answer» D. Printer
1209.

The geometric arrangement of devices on the network is called………..

A. Topology
B. Media
C. URL
D. Protocol
E. Pipelining
Answer» A. Topology
1210.

The vast network of computers that connects millions of people all over the world is called………..

A. Web
B. LAN
C. Internet
D. Workgroup
E. None of these
Answer» C. Internet
1211.

Which one of the following is true?

A. A blog is an online diary or journal posted on the Web
B. The term blog is a shortened version of Web log
C. A blog reflects the personal and unique viewpoint of its creator
D. Each blog post can be three screens deep or three lines long
E. All of these
Answer» E. All of these
1212.

What is other name of LAN Card?

A. MODEM
B. Network Connector
C. Internet Card
D. NIC
E. None of these
Answer» D. NIC
1213.

A process known as……….is used by large retailers to study trends.

A. data mining
B. data selection
C. POS
D. data conversion
E. None of these
Answer» A. data mining
1214.

The metal or plastic case that holds all the physical parts of the computer is the :

A. system unit
B. CPU
C. mainframe
D. platform
E. None of these
Answer» A. system unit
1215.

A goal of data mining includes which of the following?

A. to explain some observed event or condition
B. to confirm that data exists
C. to analyze data for expected relationships
D. to create a new data warehouse
E. None of these
Answer» A. to explain some observed event or condition
1216.

Which of the following produces the best quality graphics reproduction?

A. Laser printer
B. Ink jet printer
C. Plotter
D. Dot matrix printer
E. None of these
Answer» C. Plotter
1217.

Which of the following memories has the shortest access times?

A. Cache memory
B. Magnetic bubble memory
C. Magnetic core memory
D. RAM
E. None of these
Answer» A. Cache memory
1218.

Which of the following memories allows simultaneous read and write operations?

A. ROM
B. RAM
C. EPROM
D. All of these
E. None of these
Answer» B. RAM
1219.

You can not link excel worksheet data to a word document :

A. With the right drag method
B. With a hyperlink
C. With the copy and paste special commands
D. With the copy and paste buttons on the standard toolbar
E. None of these
Answer» D. With the copy and paste buttons on the standard toolbar
1220.

The altering of data so that it is not usable unless the changes are undone is……….

A. Biometrics
B. Compression
C. Encryption
D. Ergonomics
E. None of these
Answer» C. Encryption
1221.

A spooler is a(n) :

A. location in memory that maintains the contents of a document until it prints out.
B. print job
C. program that coordinates the print jobs that are waiting to print
D. message sent from the printer to the operating system when a print job is completed
E. None of these
Answer» C. program that coordinates the print jobs that are waiting to print
1222.

The memory resident portion of the operating system is called the :

A. registry
B. API
C. CMOS
D. kernel
E. None of these
Answer» D. kernel
1223.

In Windows XP, if you want to see the file size and modified dates of all files in a folder, the best viewing option is the ………….view.

A. List
B. Thumbnails
C. Details
D. Icon
E. None of these
Answer» C. Details
1224.

Multimedia System involves :

A. Only Audio and Video
B. Animation Video Movies
C. Animation movie with Text also
D. All type of movie with Animation Graphics and Text
E. None of these
Answer» D. All type of movie with Animation Graphics and Text
1225.

The PC (personal computer) and the Apple Macintosh are examples of two different :

A. platforms
B. applications
C. programs
D. storage devices
E. None of these
Answer» A. platforms
1226.

The definition of thrashing is :

A. swapping data between virtual memory and RAM too frequently
B. insufficient hard disk space
C. too many processors being managed by the operating system
D. inaccurate information stored in the registry
E. None of these
Answer» A. swapping data between virtual memory and RAM too frequently
1227.

Excel files have a default extension of

A. Xls
B. Xlw
C. Wk1
D. 123
E. None of these
Answer» A. Xls
1228.

Any method for controlling access to or use of memory is known :

A. Memory map
B. Memory protection
C. Memory management
D. Memory instruction
E. None of these
Answer» B. Memory protection
1229.

CAD stands for :

A. Computer aided design
B. Computer algorithm for design
C. Computer application in design
D. All of these
E. None of these
Answer» A. Computer aided design
1230.

A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is :

A. Memory
B. Buffer
C. Accumulator
D. Address
E. None of these
Answer» B. Buffer
1231.

Which of the following is not a web scripting language?

A. ASP
B. DSP
C. JSP
D. PHP
E. HTML
Answer» B. DSP
1232.

What is the full form of a computer language ‘Basic’?

A. Beginners purpose Symbolic Information Code
B. Beginners all purpose Symbolic Instruction Code
C. Beginners all purpose Symbolic Inter- change code
D. Beginners all purpose Symbolic IT code
E. None of these
Answer» A. Beginners purpose Symbolic Information Code
1233.

The kind of the memory that comes from the CPU that is erased when you shut the computer off or exit the program that you were in.

A. ROM
B. RAM
C. CACHE
D. Flash Drive
E. Hard Drive
Answer» B. RAM
1234.

Electronic telecommunications system joining many thousands of computers together.

A. e-mail
B. chatting
C. internet
D. WAN
E. None of these
Answer» C. internet
1235.

A computer…………is a set of program instructions that can attach itself to a file, reproduce itself, and spread to other files.

A. worm
B. virus
C. trojan horse
D. phishing scam
E. None of these
Answer» B. virus
1236.

A(n)………..camera is a peripheral device used to capture still images in a digital format that can be easily transferred into a computer and manipulated using graphics software.

A. digital
B. analog
C. cla ic
D. film
E. None of these
Answer» A. digital
1237.

A telephone number, a birth date, and a customer name are all examples of :

A. a record
B. data
C. a file
D. a database
E. None of these
Answer» D. a database
1238.

Which of the following would cause quickest access?

A. direct access from a magnetic tape
B. direct access from a hard disk
C. direct access from a floppy disk
D. direct access from a cassette tape
E. None of these
Answer» B. direct access from a hard disk
1239.

Laptop PCs are also known as………. Computers.

A. Mainframe
B. Super
C. Notebook
D. Personal
E. None of these
Answer» C. Notebook
1240.

A………..is a special device that is installed in your computer that allows it to communicate with other devices on a network.

A. Web browser
B. network adapter
C. Bluetooth
D. LAN
E. WiFi
Answer» B. network adapter
1241.

Machine language is :

A. Machine dependent
B. Difficult to program
C. Error prone
D. All of these
E. None of these
Answer» D. All of these
1242.

Which one of the following is unlikely to be the number of keys in the standard keyboard?

A. 101
B. 104
C. 107
D. 109
E. None of these
Answer» B. 104
1243.

A file with extension “jpeg” stores which type of files?

A. Data document
B. Pictures
C. Movies
D. Music
E. None of these
Answer» B. Pictures
1244.

A real time communication session involving video and audio data for the participants over a network spanning long distance?

A. Broadcasting
B. Routing
C. Video conferencing
D. Chatting
E. None of these
Answer» C. Video conferencing
1245.

Which of the following utilities used to monitor and restrict all the file transfer between two networks?

A. Web server
B. Firewall
C. Internet Explorer
D. LAN
E. None of these
Answer» B. Firewall
1246.

Name the branch of science which tries to make computer work like human beings?

A. Forensic Science
B. Encryptology
C. Virtual reality
D. Artificial Intelligence
E. Biometrics
Answer» D. Artificial Intelligence
1247.

The bar at the top of a window that bears the name of the window is known as :

A. control panel
B. task bar
C. menu bar
D. status bar
E. title bar
Answer» E. title bar
1248.

We can get…………menu by pressing Alt+F in mostly softwares.

A. file
B. format
C. Joystick
D. Track ball
E. None of these
Answer» A. file
1249.

Which device is used as the standard 1269. ………..devices store instructions or data that the CPU processes.

A. Output
B. Memory
C. Input
D. Storage
E. None of these
Answer» A. Output
1250.

What is the first stage in software development?

A. System Analysis
B. Specification and design
C. Testing
D. Maintenance
E. None of these
Answer» A. System Analysis

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