Explore topic-wise MCQs in Science.

This section includes 6820 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.

601.

Used for complex scientific calculations?

A. BASIC
B. PASCAL
C. COBOL
D. FORTRAN
Answer» C. COBOL
602.

The collection of signals, which tells the computer how to do a particular job, is called?

A. data computation
B. program
C. file
D. information
Answer» C. file
603.

In which field is the computer language FORTRAN useful?

A. business
B. Drawing
C. Science
D. Commerce
Answer» D. Commerce
604.

What is USB?

A. Ultimate Service Bit
B. universal st bit
C. Universal Serial Bus
D. Urgent St. Bit
Answer» D. Urgent St. Bit
605.

Measuring in megabytes?

A. earthquake intensity
B. population density
C. power consumption capacity
D. computer memory capacity
Answer» E.
606.

What is the inability of a computer to store four digit dates called?

A. And 2K
B. data bug
C. 4D
D. computer bug
Answer» B. data bug
607.

Peripheral devices like printers, monitors etc. . . . is considered ?

A. hardware
B. Software
C. Data
D. information
Answer» B. Software
608.

The inventor and originator of WWW is

A. Bill Gates
B. Took . N. fiog
C. Ann Russell
D. Tim Berners-Lee
Answer» E.
609.

a computer programmer. . . . . . . .

A. makes programs
B. converts diagrams to instructions
C. Creates audiovisual programs
D. puts data into computer
Answer» B. converts diagrams to instructions
610.

Another word for software?

A. Input
B. Output
C. program
D. system
Answer» D. system
611.

On what principle is the working of digital computer based?

A. only on logic
B. on electronic circuit
C. on calculation and reasoning
D. on measurement
Answer» D. on measurement
612.

Have a pen drive?

A. a fixed secondary storage unit
B. a magnetic secondary storage unit
C. a removable secondary storage unit
D. none of the above
Answer» D. none of the above
613.

Website man page. . . . . say?

A. home page
B. manpage
C. top page
D. Entry page
Answer» B. manpage
614.

BASIC language is used for which of the following tasks?

A. for commercial purposes
B. for scientific calculations
C. to teach children
D. To teach simple language in the beginning
Answer» E.
615.

One million bytes is approximately?

A. giga bytes
B. kilobytes
C. megabytes
D. Terabytes
Answer» D. Terabytes
616.

The language which the computer understands and executes is called?

A. father board
B. mother board
C. key board
D. none of these
Answer» D. none of these
617.

Where was the first computerized reservation system introduced under railways in India?

A. New Delhi
B. Kolkata
C. Mumbai
D. Chennai
Answer» B. Kolkata
618.

of computers. P . Chips are often made of?

A. of lead
B. of chromium
C. of silicone
D. of gold
Answer» D. of gold
619.

The language which the computer understands and executes and executes is called?

A. american language
B. machine language
C. key board
D. none of these
Answer» C. key board
620.

Which one of the following is not a device material?

A. printer
B. key board
C. Mouse
D. Logistics
Answer» E.
621.

What is the size of CDS?

A. square shape
B. rectangular
C. round
D. Hexagonal
Answer» D. Hexagonal
622.

What is the main board of computer called?

A. Apple - .
B. Wax - 780
C. Mother b. M . - 1620
D. I - b. M - System - 360
Answer» C. Mother b. M . - 1620
623.

C , BASIC , COBOL and JAVA . . . . . . Examples of languages?

A. low label
B. Computer
C. systems programming
D. high label
Answer» E.
624.

Who among the following is considered to be the inventor of the World Wide Web?

A. edward kesner
B. Bill Gates
C. Tim Berners-Lee
D. Vinod Dham
Answer» D. Vinod Dham
625.

What is ERNET?

A. a television serial
B. net used in world table tennis
C. A computer network
D. name of a coal mine
Answer» D. name of a coal mine
626.

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

A. scanner
B. modem
C. C . D . Rome
D. printer
Answer» C. C . D . Rome
627.

I. C. full form of?

A. International Computer
B. inter current
C. integrated circuit
D. Internal computer
Answer» D. Internal computer
628.

Computer hardware that can store large amounts of data is called?

A. Disc
B. chip
C. magnetic tape
D. none of these
Answer» C. magnetic tape
629.

Which of the following system components is the brain of a computer?

A. Circuit board
B. C . P . u
C. integrated circuit
D. Internal computer
Answer» C. integrated circuit
630.

Search engine related?

A. from virus
B. by data
C. with mouse
D. from google
Answer» E.
631.

What is a computer grid?

A. a hardware component of a computer
B. a software infrastructure consisting of multiple computing facilities
C. a prototype of a supercomputer
D. A hardware component of the long hadron collision for nuclear research
Answer» C. a prototype of a supercomputer
632.

Computer virus?

A. a microorganism that destroys integrated circuits
B. data that the computer cannot handle
C. program that the computer cannot handle
D. a special type of computer program
Answer» E.
633.

M . s . Word is used?

A. for image data correction
B. For revision of passage data
C. for numerical data correction
D. none of these
Answer» C. for numerical data correction
634.

when the computer is turned off. . . . . Does the content get destroyed?

A. storage
B. Input
C. Output
D. memory
Answer» E.
635.

Which of the following shows errors in computer data?

A. chip
B. byte
C. bug
D. bit
Answer» D. bit
636.

Yahoo, Google and MSN?

A. Internet sites
B. Computer brand
C. switzerland made watches
D. rings of saturn
Answer» B. Computer brand
637.

ICs for computers are made on a chip?

A. of chromium
B. of silicone
C. of lead
D. of copper
Answer» C. of lead
638.

Most computers can understand?

A. similar to english language
B. BASIC
C. any language
D. neither of the above
Answer» B. BASIC
639.

Blinking point indicating your position in the text. . . . . say?

A. blinker
B. cursor
C. Caesar
D. Pointer
Answer» C. Caesar
640.

Which one of the following laser types is used in laser printers?

A. high laser
B. gas laser
C. semiconductor laser
D. fiery laser
Answer» D. fiery laser
641.

Is it Microsoft?

A. microchip manufacturing company
B. software development organization
C. a microengineering organization
D. computer hardware development organization
Answer» C. a microengineering organization
642.

SupercomputerParamwas built in India?

A. in Chennai
B. in Bangalore
C. in Delhi
D. in Pune
Answer» E.
643.

The medium by which the data is sent through the telephone with the help of binary instructions?

A. monitor
B. mouse
C. modem
D. O . C . r
Answer» D. O . C . r
644.

C . P . U. What is the full form?

A. central place unit
B. central province unit
C. central processing unit
D. Central Police Unit
Answer» D. Central Police Unit
645.

Position M. b. Is used for ?

A. for magnetic bits
B. to mega bytes
C. for mega bit
D. none of the above
Answer» C. for mega bit
646.

CDROM is a . . . .

A. semiconductor memory
B. magnetic memory
C. memory register
D. none of these
Answer» C. memory register
647.

One of a thousand bytes. . . . . . . . . . . . . It happens ?

A. kilobytes
B. megabytes
C. Gigabytes
D. Terabytes
Answer» B. megabytes
648.

Complete electronic circuits with transistors and other electronic components on a tiny silicon chip. . . . . . . say?

A. workstation
B. CPU
C. magnetic disc
D. Integrated circuit
Answer» E.
649.

Which of the following will be the main feature of fifth generation computers?

A. cube - cube use
B. multifunctional use
C. artificial intelligence
D. very low price
Answer» D. very low price
650.

A computer's memory is generally expressed in terms of kilobytes or megabytes. A byte is made of?

A. eight binary digits
B. two binary digits
C. eight decimal places
D. two decimal places
Answer» B. two binary digits