Explore topic-wise MCQs in Computers.

This section includes 705 Mcqs, each offering curated multiple-choice questions to sharpen your Computers knowledge and support exam preparation. Choose a topic below to get started.

101.

Changing an existing document is called a document key?

A. editing
B. creating
C. modifying
D. none of these
Answer» B. creating
102.

What is the function of central processing unit of computer?

A. deletes data
B. creates invoice
C. Performs calculations and processing
D. none of these
Answer» D. none of these
103.

A hardware device that converts data into meaningful information?

A. Processor
B. input device
C. program
D. protector
Answer» B. input device
104.

carry out operations?

A. algorithm
B. Arithmetic
C. ASCII
D. none of these
Answer» C. ASCII
105.

What are the three main parts of a processor?

A. ALU, Control Unit and RAM
B. ALU, Control Unit and Registers
C. Cash, Control Unit and Register
D. none of these
Answer» C. Cash, Control Unit and Register
106.

Which part of the computer is used for calculation and comparison?

A. disc unit
B. modem
C. ALU
D. control unit
Answer» D. control unit
107.

Who controls the movement of signals between CPU and I/O?

A. control unit
B. ALU
C. memory unit
D. none of these
Answer» B. ALU
108.

What is the collection of related files called?

A. database
B. character
C. record
D. Field
Answer» B. character
109.

What is in the ALU of the CPU?

A. RAM space
B. register
C. byte space
D. all of which
Answer» C. byte space
110.

The data or information used to run a computer is called?

A. Software
B. hardware
C. Peripheral
D. none of these
Answer» E.
111.

What is a file often called?

A. wizard
B. Device
C. document
D. pen
Answer» D. pen
112.

The information that comes from an external source and is fed into computer software is called?

A. Input
B. Report
C. Output
D. none of these
Answer» B. Report
113.

What is the name given to the document by the user?

A. file name
B. record data
C. program
D. none of these
Answer» B. record data
114.

What is the working principle of computer?

A. Input
B. process
C. Output
D. all these
Answer» C. Output
115.

What does the red wave mark under the letters in an MS-Word document represent?

A. address block
B. printing error
C. spelling error
D. grammar error
Answer» D. grammar error
116.

What is the microprocessor which is the brain of the computer called?

A. microchip
B. Macroprocessor
C. Macrochip
D. none of these
Answer» B. Macroprocessor
117.

According to an estimate, by which year 70% of the world's population will be confined to cities, that is?

A. 2040
B. 2050
C. 2060
D. 2070
Answer» C. 2060
118.

Which will be the fastest computer to imitate the working of the brain?

A. super computer
B. quantum computer
C. IBM chips
D. none of these
Answer» C. IBM chips
119.

Spam is a word related to which topic?

A. art
B. Computer
C. sport
D. music
Answer» C. sport
120.

What is the smallest unit of computer data?

A. byte
B. bit
C. file
D. record
Answer» C. file
121.

What is Apple?

A. One fruit one fourth generation computer
B. computer language
C. computer network
D. none of these
Answer» B. computer language
122.

A popular windowing environment is Windows-3 released by Microsoft.

A. in 1985
B. in 2000
C. in 1995
D. in the 1990s
Answer» C. in 1995
123.

Which is a supercomputer project developed by Bhabha Atomic Research Center?

A. Param Padam
B. FlowSalver Mark
C. chips
D. Anupam
Answer» E.
124.

Which organization has developed the ultimate super computer developed in India?

A. BARC
B. C-DAC
C. IIT Kanpur
D. IIT Delhi
Answer» C. IIT Kanpur
125.

Is Michelangelo Virus?

A. a computer virus
B. rat virus
C. cancer prevention virus
D. none of these
Answer» B. rat virus
126.

Computer virus is only one type of software, which mainly destroy?

A. to data
B. to hardware
C. to programs
D. to devices
Answer» D. to devices
127.

Name the device which connects the computer to the telephone line.

A. scanner
B. printer
C. c.d. rome
D. modem
Answer» E.
128.

What is unique?

A. a research institute
B. a super computer
C. new missile
D. computer software
Answer» C. new missile
129.

Which of the following is not an information technology?

A. cyber space
B. modem
C. light storage
D. upload
Answer» D. upload
130.

What is the range of word length for supercomputer?

A. up to 16 bit
B. up to 32 bit
C. up to 64 bit
D. up to 128 bit
Answer» D. up to 128 bit
131.

World's fastest computer?

A. Yenha ​​- 3
B. param - 10000
C. J - 8
D. T - 3A
Answer» E.
132.

What is a type of window in computer?

A. of hardware
B. of software
C. of both
D. nobody's
Answer» C. of both
133.

What is the most used investment strategy nowadays?

A. mouse
B. scanner
C. trek
D. none of these
Answer» B. scanner
134.

Which is the latest operating system from Microsoft?

A. Windows-7
B. Windows Company
C. vista
D. none of these
Answer» B. Windows Company
135.

Whose content gets destroyed when the computer is turned off?

A. storage
B. memory
C. Output
D. Input
Answer» C. Output
136.

What is the built-in permanent memory in a computer called?

A. RAM
B. CPU
C. ROM
D. CD-ROM
Answer» D. CD-ROM
137.

What is the main system board of a computer called?

A. Motherboard
B. integrated circuit
C. microchip
D. Processor
Answer» B. integrated circuit
138.

The basic input-output system is present in the computer?

A. random access memory
B. in mouse memory only
C. on hard disk
D. none of the above
Answer» B. in mouse memory only
139.

What is a dot matrix?

A. tape
B. Bus
C. printer
D. Disc
Answer» D. Disc
140.

How is the number 7 written in binary code?

A. 110
B. 111
C. 101
D. 100
Answer» C. 101
141.

What is IBM?

A. Software
B. program
C. company
D. hardware
Answer» D. hardware
142.

On what principle is the working of a digital computer based?

A. Measurement
B. logic only
C. electronic circuit
D. calculation and reasoning
Answer» E.
143.

Where was the super computer 'PARAM' built in India?

A. in Pune
B. in Hyderabad
C. in Delhi
D. in bangalore
Answer» B. in Hyderabad
144.

Microsoft Corporation is related to which industry?

A. soft drink
B. computer software
C. mother board
D. high quality microscopes
Answer» C. mother board
145.

'Vacuum tube' is related to which generation of computers?

A. first generation computer
B. second generation computer
C. third generation computer
D. none of these
Answer» B. second generation computer
146.

First generation computers used?

A. vacuum tube
B. Transistor
C. silicon chip
D. magnetic core
Answer» B. Transistor
147.

What is Google?

A. browser
B. virus
C. search engine
D. Operating System
Answer» D. Operating System
148.

What is a group of related records called?

A. Datasheet
B. spreadsheet
C. database
D. utility file
Answer» D. utility file
149.

What does the red wave mark under the letters in MS-Word document represent?

A. grammar error
B. spelling error
C. printing error
D. address block
Answer» C. printing error
150.

What is the default file extension of all word documents?

A. TXT
B. DOC
C. FIL
D. WRD
Answer» C. FIL