Computer MCQs FOR ALL COMPETITIVE EXAMS Part 1

Table of Contents

In this blogpost we will discuss all the important questions which are important for all the upcoming exams

MCQs of Computer

Q1.Who is considered to be the father of computer?
A.Von Neumann
B.JS Kilby
C.Charles Babbage
D.none of these

Ans:C
🔰Charles Babbage, an English mechanical engineer and polymath gave the concept of a programmable computer. He is considered as the “Father of the Computer”.

Q2. What was the name of the first computer?

(A) ATARIS
(B) ENIAC
(C) TANDY
(D) NOVEL
Ans:B
🔰ENIAC, in full Electronic Numerical Integrator and Computer, the first programmable general-purpose electronic digital computer, built during World War II by the United States.

Q3.When is Computer Literacy Day celebrated?

(A) 5th December
(B) 14 December
(C) 22 December
(D) 2 December
Ans:D
🔰World Computer Literacy Day is celebrated annually on December 2 to address the digital divide that affects millions across the world and make computers more accessible to everyone.

Q4.Processor’s speed of a computer is measured in?

(a) BPS
(b) MIPS
(c) Baud
(d) Hertz
Ans:B

Q5.Who had built the first electronic digital computer?

[A] George Boole
[B] Charles Babbage
[C] John Atanasoff
[D] Cliff Berry
Ans:C
🔰John Vincent Atanasoff, With the help of one of his students Clifford E. Berry, in Iowa State College, during the 1940s, he created the ABC (Atanasoff-Berry Computer) that was the first electronic digital computer.

Q6. Which of the following is not a search engine?

(A) Google
(B) Yahoo
(C) Baidu
(D) Wolfram Alpha
Ans:D
🔰WolframAlpha is an answer engine developed by Wolfram Research.
🔰It answers factual queries by computing answers from externally sourced data.
🔰Date launched: 15 May 2009

Q7. The supercomputer MACH was developed by which IIT?
A.Bombay*
B.Chennai
C.Delhi
D.Kanpur

Ans:A
🔰The Indian Institute of Technology Bombay is a public research university and technical institute in Powai, Mumbai, Maharashtra
Established-1958

Q8. What is the full form of CPU?

(A) Central Processing Unit*
(B) Central Problem Unit
(C) Central Processing Union
(D) none of these
Ans:A
🔰Central Processing Unit (CPU) The CPU is the brain of a computer, containing all the circuitry needed to process input, store data, and output results.

Q9. The first book on Personal Computer was written by whom?
A.Lady Augusta Lovelace
B.Ted Nelson*
C.Charles Babbage
D.Von Neumann

Ans:B
🔰Ted Nelson wrote the book ‘Computer Liberation and Dream Machine’, the first book on personal computers.

Q10. Who developed the first mechanical calculator known as Pascalene?
A.Blaise Pascal*
B.Von Neumann
C.Charles Babbage
D.Ted Nelson

Ans:A
🔰Pascaline, also called Arithmetic Machine, the first calculator or adding machine to be produced in any quantity and actually used.
🔰The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.

Q11. The word computer is derived from an English word compute which means?
A.To calculate
B.To capture
C.To connect
D.To control

Ans:A
🔰The word “Computer” comes from the word “compute” which means to calculate.
🔰A computer is an electronic device, which stores and processes data to give meaningful information.

Q12. In which year India announced it’s New Computer Policy
A.1987
B.1980
C.1945
D.1984

Ans:D
🔰The first Computer Policy of 1984 and Software Policy of 1986 emphasised the concept of software development and export through data communication links.

Q13. What was the name of the first programming language?
A.Puthon
B.FORTRAN
C.Java
D.PHP
Ans B
🔰FORTRAN was the first computer programming language that was widely
used.
Designed by: John Backus
First appeared: 1957

Q14. Who had created the first computer program?
A. Howard Ekin
B. Charles Babbage
C. Von Neumann
D. Lady Augusta Lovelace
Ans 😀
🔰Ada Lovelace has been called the world s first computer programmer. In the
1840 s, she wrote the world s first machine algorithm for an early computing machine
that existed only on paper.

Q15. What is the full form of EDVAC?
A. Electric Desperate Varying Computer
B. Electronic Descrete ViscousComputer
C. Electric Descrete VariableComputer
D. Electric Design Variety Computer
Ans :C
🔰EDVAC was designed in 1944 and built in the 1940 s, before being installed in the U.S. Army’s Ballistics Research Laboratory in Maryland in August of 1940 . As a binary
serial computer, EDVAC processed mathematical operations with a serial memory capacity of roughly 5.5 kB.

Q16. Which keyboard shortcut is used to
copy ’ in computer?
A. Ctrl+C
B. Ctrl+A
C. Ctrl+P
D. Ctrl+V
Ans :A
🔰Cut (Ctrl + X)
🔰Copy (Ctrl + C)
🔰Paste (Ctrl + V)
🔰Undo (Ctrl + Z)

Q17. 1 Kilobyte (KB) is equal to how many bytes?
(A) 1024 byte
(B) 1024 megabytes
(C) 1024 gigabytes
(D) none of these
Ans :A

Q18. Who developed the first mechanical computer Mark 1 ‘
A. Howard Ekin
B. Charles Babbage
C.Cliff Berry
D. Von Neumann
Ans :A
🔰Howard Ekin developed the first Mechanical Computer ‘Mark 1 ‘ in 1937 .
J.P. Ekart and John Moschley invented world’s first electronic computer ‘ENIAC 1 ‘ in 1946 .

Q19. What was the name of India’s first Computer University (in private sector)?
A. Narendra Modi Computer University
B. Rajeev Gandhi Computer
University
C. Indira Gandhi Computer University
D. Sardar Patel Computer University
Ans :B
🔰Rajiv Gandhi University has been a Central University under the Ministry of Human Resource Development (MHRD), Government of India since 9 April 2007 .

Q20. How many bits are there in 1 byte?
A. 10
B. 15
C. 4
D. 8
Ans 😀

Q21. What does O stands for in BIOS?
A. Output
B. Outgoing
C. Operation
D. Outstanding
Ans :A
🔰BIOS (basic input/output system) is the program a computer’s microprocessor uses to start the computer system after it is powered on.

Q22. Who developed the IC chips?
A. JS Kilbi
B. Cliff Berry
C. Howard Ekin
D. Von Neumann
Ans :A
🔰Jack Kilby of Texas Instruments patented the principle of integration, created the prototype ICs and commercialized them.
On Sept. 12 , 1958 , Jack Kilby, a TI engineer, invented the integrated circuit.

Q23. Which keyboard shortcut is used for selecting all ’ in computer
A. Ctrl+V
B. Ctrl+A
C. Ctrl+X
D. Ctrl+Z
Ans :B

Q24. What was the name of first computer develpoed in india?
A. Siddharth
B. Aryabhatt
C. Bhanumati
D. Vishesh

Ans :A
🔰Siddhartha was the first computer developed in India. It was manufactured by the Electronics Corporation of India. It was installed in the Main Post Office of Bangalore on August 16 , 1986 . Param was the first super computer developed in India.

Q25. Which part of the computer is used for calculation and comparison?
(A) Disk Unit
(B) Modem
(C) ALU
(D) Control Unit
Ans
:C
🔰An arithmetic logic unit is the part of a central processing unit that carries out arithmetic and logic operations on the operands in computer instruction words.

Q26. What does B stands for in DBMS
A. Basic
B. Blowing
C. Base
D. Busy
Ans :C
🔰Database management systems are software systems used to manage and manipulate data in a database.

Q27. Which of the following is optical memory?
(A) bubble memories
(B) Floppy disk
(C) CD ROM
(D) Core Memories
Ans :C
🔰A CD ROM is a type of read only memory consisting of a pre pressed optical compact disc that contains data. Computers can read but not write or erase CD ROMs.

Q28. Who is the author of the book Soul of New Machine
A. Ted Nelson
B. Howard Ekin
C. Charles Babbage
D. Cliff Berry
Ans :A

Q29. An error in computer is known as?
A.
Vug
B.
Skew
C.
Bug
D.
Scroll
Ans
:C
🔰A bug is an unexpected problem with software or hardware. Typical problems are often the result of external interference with the program’s performance that was not anticipated by the developer.

Q30. In Internet address, the term http is the correct expanded form of?
(A) higher text transfer protocol
(B) higher transfer tex protocol
(C) hybrid text transfer protocol
(D) hyper text transfer protocol
Ans 😀

🔰The Hypertext Transfer Protocol is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems.

Q31. MS Word is an example of _
A) An operating system
B) A processing device
C) Application software
D) An input device
Ans :C

MS Word is an example of application software developed by the company Microsoft.
It allows users to type and save documents.

Q32. What was the name of the first magazine on Computer?

A. Computer and Internet
B. Computer and Mobile
C. Computer and World
D Computer and Automation

Ans:D
I/Computers and Automation, (1951—1978), was arguably the first computer magazine.
It began as Roster of Organizations in the Computing Machinery Field (1951—1952).

Q33. What is the commonly used unit for measuring the speed of data
transmission?
(1) Mega Hertz
(2) Characters per second
(3) Bits per second
(4) Nano seconds
ANS: C
The speed with which data is getting transmitted in computer is called data transmission speed.
It is commonly measured in bits per second.
To be more specific, it is measured in megabits (million bits) per second which is usually abbreviated as Mbps.

Q34. Which part of the computer is used forcalculating and comparing?

(a) ALU
(b) Control unit
(c) Disk unit
(d) Modem

ANS; A
The part of the computer is used for , , calculating and comparing is ALU
(Arithmetic Logic Unit).

Q35.USB is which type of storage device?

A) Tertiary
B) Secondary
C) Primary
D) Auxillary
Ans :B

USB – Universal Serial Bus isa secondary type of storage device which is used in all. computers, laptops, mobiles.

Q36. _ is processed in information by computer processor.
(a) Number
(b) Processor
(c) Input
(d) Data
Ans 😀

The processor, more formally known as, thecentral processing unit (CPU), has the electronic circuitry that manipulates input data into the information people want.

Q37. Which unit controls the movement of signals between CPU and I/O?
(a) ALU
(b) Control unit
(c) Memory unit
(d) Secondary storage
Ans :B
Control Unit controls the movement of signals between CPU and I/O.
I/O (input/output), pronounced “eyeoh,” describes any operation, program, or device that transfers data to or froma
computer.

Q38. The three main parts of the processor are……
(a) ALU, Control unit and Registers
(b) ALU, Control unit and RAM
(c) Cache, Control unit and Registers
(d) Control unit, Registers and RAM

ANS;A
The three main parts of the CPU are:
Arithmetic Logic Unit (ALU) It is a significant part of the CPU. It is responsible for all numerical and logical functions.

Control Unit (CU) CU is the main component of the CPU.
Registers- It isa high-speed memory that is utilised to store data during processing.

Q39. Ctrl, Shift and Alt are called ………. keys.
A) modifier
B) function
C) alphanumeric
D) adjustment

ANS: A

Modifier keys include Alt, Ctrl, Shift and the Windows key.

Q40. PROLOG is the language of which generation?
(A)Fourth
(B)Fifth
(C)Second
(D)First
Ans:A

Prolog is an example ofa fourthgeneration programming language.
Prolog(Programming Logic) is logic and declarative programming language that is used to represent the facts and rules.

This is it for more Computer MCQs FOR ALL COMPETITIVE EXAMS Part 2 Click Here

Also Read: Syllogism Reasoning 60 High-Level MCQs

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