160+ Introduction to Computers Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Computer Applications (BCA) .

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1.	A computer primarily constitutes of _____________integral components
A.	Two
B.	Four
C.	Three
D.	Eight
Answer» C. Three

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2.	Computers have secondary storage devices known as___________
A.	ALU
B.	Auxiliary storage
C.	CPU
D.	None of the above
Answer» B. Auxiliary storage

discuss

3.	The ___________is responsible for transferring data and instructions from the external environment into the computer system
A.	Output unit
B.	Program control register
C.	Input unit
D.	Memory address register
Answer» C. Input unit

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4.	The process of recording data and information so that it can be retrieved for use whenever required.
A.	Inputting
B.	Processing
C.	Storing
D.	None of the above
Answer» B. Processing

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5.	The ________________is responsible for controlling various computer operations
A.	Memory
B.	Accumulator (AC)
C.	Control Unit
D.	Memory Address Register (MAR)
Answer» C. Control Unit

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6.	The main PCB (Printed Circuit Board) is sometimes alternatively known as
A.	Main Board
B.	Logical Board
C.	Both (A) and (B)
D.	None of the above
Answer» C. Both (A) and (B)

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7.	The _____________ processes the set of instructions along with any calculations and comparisons to complete the task.
A.	Keyboard
B.	Motherboard
C.	CPU
D.	Either (A) or (C)
Answer» C. CPU

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8.	Storage and retrieval of instructions and data in a computer system is the responsibility of the __________________.
A.	Memory
B.	Secondary Memory
C.	Primary Memory
D.	Both (B) and (C)
Answer» D. Both (B) and (C)

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9.	A small set of high-speed registers placed inside a processor and used for storing temporary data while processing.
A.	Internal Processor Memory
B.	Secondary Storage Memory
C.	Primary Storage Memory
D.	None of the above
Answer» A. Internal Processor Memory

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10.	Popular microprocessors include
A.	Intel
B.	Cache memory
C.	AMD
D.	None of the above
Answer» A. Intel

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11.	The speed at which the CPU performs basic operations, measured in
A.	Hz
B.	MHz
C.	GHz
D.	All of the above
Answer» D. All of the above

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12.	These types of computers are primarily involved in data processing and problem solving for specific programs.
A.	Compact Computers
B.	Digital computers
C.	Hybrid Computers
D.	Analog Computers
Answer» B. Digital computers

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13.	It mediates communication between CPU and other components of system.
A.	CPU
B.	RAM
C.	Chipset
D.	Buses
Answer» C. Chipset

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14.	It helps in the proper functioning of computer hardware.
A.	Application Software
B.	Users
C.	Hardware System
D.	System Software
Answer» D. System Software

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15.	Software that resides on a single computer and does not interact with any other software installed in a different computer.
A.	Stand- Alone Software
B.	Embedded Software
C.	Real- Time Software
D.	Network Software
Answer» A. Stand- Alone Software

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16.	This kind of software is functional in the domain of management and finance
A.	Engineering Software
B.	Business Software
C.	Artificial Intelligence Software
D.	None of the above
Answer» B. Business Software

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17.	_____________ was one of the most widely used systems software for IBM compatible microcomputers.
A.	API
B.	OS
C.	MS DOS
D.	None of the above
Answer» C. MS DOS

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18.	A ____________is the main control program for handling all other programs in a computer.
A.	MS DOS
B.	API
C.	OS
D.	DDR4
Answer» C. OS

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19.	A type of OS that permits multiple programs to be run simultaneously by the same computer.
A.	Multithreading
B.	Multiuser
C.	Multitasking
D.	All of the above
Answer» C. Multitasking

discuss

20.	____________________ is a presentation tool that helps create eye-catching and effective presentations in a matter of minutes.
A.	Spreadsheet
B.	Word Processing
C.	Bits
D.	PowerPoint
Answer» D. PowerPoint

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21.	____________________ was the first high -level language developed by John Backus at IBM in 1956.
A.	FORTRAN
B.	COBOL
C.	BASIC
D.	None of the above
Answer» A. FORTRAN

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22.	This language was developed by Dennis Ritchie of Bell Laboratories in order to implement the operating system UNIX.
A.	C
B.	C++
C.	Java
D.	LISP
Answer» A. C

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23.	_________________ are a series of black and white parallel and adjacent bars with spaces which represent a string of characters.
A.	Instruction register
B.	Program control register
C.	Barcode Readers
D.	Memory Address register
Answer» C. Barcode Readers

discuss

24.	It is an electronic medium for storing contact information inside the mobile phone.
A.	SMS
B.	Address Book
C.	Send and Receive Mails
D.	None of the above
Answer» B. Address Book

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25.	It is also known as the ‘blue screen’ process_______________.
A.	Analog Compositing
B.	Digital Compositing
C.	Time Slicing
D.	CGI
Answer» B. Digital Compositing

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26.	The professionals involved in the study and prediction of weather are called ____________.
A.	Seer
B.	Doomsayer
C.	Meteorologists
D.	None of the above
Answer» C. Meteorologists

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27.	The storage and rapid access to electronic medical records and its instant transmission over the Internet in large amounts is called ____________________
A.	Teleconsulting
B.	Accumulator (AC)
C.	Instruction Register (IR)
D.	Program Counter (PC)
Answer» A. Teleconsulting

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28.	Early computers like ENIAC, EDVAC, and UNIVAC I all can be classified as _____________.
A.	Third Generation Computers
B.	Second Generation Computers
C.	First Generation Computers
D.	None of the above
Answer» C. First Generation Computers

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29.	The first mechanical adding machine was invented by Blaise Pascal in ____________.
A.	1652
B.	1642
C.	1659
D.	1643
Answer» B. 1642

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30.	The primary storage also temporarily stores any intermediate result generated by the ___________.
A.	The CPU
B.	The motherboard
C.	The hard disk drive
D.	The ALU
Answer» D. The ALU

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31.	The socket that supplies the power from the computer system to the computer monitor
A.	Monitor Power Socket
B.	Main Power Socket
C.	PS/2 Mouse Port
D.	None of the above
Answer» A. Monitor Power Socket

discuss

32.	The various types of computers are:
A.	Personal computers
B.	Workstations
C.	Tablet PC
D.	All of the above
Answer» D. All of the above

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33.	The categories of software on functional base are:
A.	System software
B.	Programming software
C.	Application software
D.	All of the above
Answer» D. All of the above

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34.	The full form of COTS is ___________________ .
A.	Commercial off-the Shelf
B.	Commercial off-the Shell
C.	Commercial on-the Shelf
D.	Commercial on-the Shell
Answer» A. Commercial off-the Shelf

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35.	________________ means that their source code is not available.
A.	Fireware
B.	Freeware
C.	Freefall
D.	None of the Above
Answer» B. Freeware

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36.	________________ is ideal for a task that needs a number of lists, tables, financial calculations, analysis and graphs.
A.	PowerPoint
B.	Word
C.	VB
D.	Excel
Answer» D. Excel

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37.	Excel also allows you to create documents for the ______________________.
A.	Word
B.	Google
C.	WWW
D.	All of the above
Answer» C. WWW

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38.	A presentation comprises of _______________ slides arranged in a sequential manner.
A.	Group
B.	Two
C.	Three
D.	Individual
Answer» D. Individual

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39.	This class of OS permits multiple users to use the computer and run programs at the same time
A.	Multiuser
B.	Multitasking
C.	Multithreading
D.	Multiprocessing
Answer» A. Multiuser

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40.	Most of the application software available in the market needs a __________ for use.
A.	People
B.	Money
C.	Software License
D.	All of the above
Answer» C. Software License

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41.	The computer system is a dumb and a useless machine if it is not capable of communicating with the________________.
A.	Outside World
B.	Inside World
C.	Specific Locations
D.	None of the above
Answer» A. Outside World

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42.	It is very important for a computer system to have the ability to communicate with the outside world, _________________.
A.	Receive Data
B.	Send Data
C.	Information
D.	All of the above
Answer» D. All of the above

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43.	Programs and data must be entered into the computer memory for _____________.
A.	Processing
B.	Results
C.	Calculations
D.	Feedback
Answer» A. Processing

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44.	The I/O devices that provide a means of communication between the computer and the outside world are known as________________.
A.	Printers
B.	Peripheral Devices
C.	Coaxial Cables
D.	None of the above
Answer» B. Peripheral Devices

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45.	_____________ are used to transfer user data and instructions to the computer
A.	Output
B.	Processors
C.	Input
D.	Either (A) or (C)
Answer» C. Input

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46.	________________ devices allow input into the computer system by pressing a set of keys mounted on a board, connected to the computer system
A.	Mouse
B.	Keyboard
C.	Pen
D.	Screen
Answer» B. Keyboard

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47.	Keyboard devices are typically classified as _________________ keyboards and specialpurpose keyboards.
A.	Secondary
B.	Primary
C.	User-Defined
D.	General-Purpose
Answer» D. General-Purpose

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48.	The most familiar means of entering information into a computer is through a typewriterlike keyboard that allows a person to enter __________________ information directly.
A.	Alphabets
B.	Symbols
C.	Alphanumeric
D.	Numeric
Answer» C. Alphanumeric

discuss

49.	The most popular keyboard used today is the ______ key with a traditional QWERTY layout.
A.	101
B.	102
C.	103
D.	104
Answer» A. 101

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50.	Another popular _______________ arrangement, called Dvorak system, was designed for easy learning and use.
A.	Key
B.	Line
C.	Group
D.	Numeric
Answer» A. Key

discuss

160+ Introduction to Computers Solved MCQs

A computer primarily constitutes of _____________integral components

Computers have secondary storage devices known as___________

The ___________is responsible for transferring data and instructions from the external environment into the computer system

The process of recording data and information so that it can be retrieved for use whenever required.

The ________________is responsible for controlling various computer operations

The main PCB (Printed Circuit Board) is sometimes alternatively known as

The _____________ processes the set of instructions along with any calculations and comparisons to complete the task.

Storage and retrieval of instructions and data in a computer system is the responsibility of the __________________.

A small set of high-speed registers placed inside a processor and used for storing temporary data while processing.

Popular microprocessors include

The speed at which the CPU performs basic operations, measured in

These types of computers are primarily involved in data processing and problem solving for specific programs.

It mediates communication between CPU and other components of system.

It helps in the proper functioning of computer hardware.

Software that resides on a single computer and does not interact with any other software installed in a different computer.

This kind of software is functional in the domain of management and finance

_____________ was one of the most widely used systems software for IBM compatible microcomputers.

A ____________is the main control program for handling all other programs in a computer.

A type of OS that permits multiple programs to be run simultaneously by the same computer.

____________________ is a presentation tool that helps create eye-catching and effective presentations in a matter of minutes.

____________________ was the first high -level language developed by John Backus at IBM in 1956.

This language was developed by Dennis Ritchie of Bell Laboratories in order to implement the operating system UNIX.

_________________ are a series of black and white parallel and adjacent bars with spaces which represent a string of characters.

It is an electronic medium for storing contact information inside the mobile phone.

It is also known as the ‘blue screen’ process_______________.

The professionals involved in the study and prediction of weather are called ____________.

The storage and rapid access to electronic medical records and its instant transmission over the Internet in large amounts is called ____________________

Early computers like ENIAC, EDVAC, and UNIVAC I all can be classified as _____________.

The first mechanical adding machine was invented by Blaise Pascal in ____________.

The primary storage also temporarily stores any intermediate result generated by the ___________.

The socket that supplies the power from the computer system to the computer monitor

The various types of computers are:

The categories of software on functional base are:

The full form of COTS is ___________________ .

________________ means that their source code is not available.

________________ is ideal for a task that needs a number of lists, tables, financial calculations, analysis and graphs.

Excel also allows you to create documents for the ______________________.

A presentation comprises of _______________ slides arranged in a sequential manner.

This class of OS permits multiple users to use the computer and run programs at the same time

Most of the application software available in the market needs a __________ for use.

The computer system is a dumb and a useless machine if it is not capable of communicating with the________________.

It is very important for a computer system to have the ability to communicate with the outside world, _________________.

Programs and data must be entered into the computer memory for _____________.

The I/O devices that provide a means of communication between the computer and the outside world are known as________________.

_____________ are used to transfer user data and instructions to the computer

________________ devices allow input into the computer system by pressing a set of keys mounted on a board, connected to the computer system

Keyboard devices are typically classified as _________________ keyboards and specialpurpose keyboards.

The most familiar means of entering information into a computer is through a typewriterlike keyboard that allows a person to enter __________________ information directly.

The most popular keyboard used today is the ______ key with a traditional QWERTY layout.

Another popular _______________ arrangement, called Dvorak system, was designed for easy learning and use.