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Computer Science MCQ for Gate Exam. We covered all the Computer Science MCQ for Gate Exam in this post for free so that you can practice well for the exam.
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Computer Science MCQ for Gate Exam Students
Quick Quiz
Which of the following is not an input device?
A) OCR
B) Optical scanners
C) Voice recognition device
D) COM (Computer Output to Microfilm)
Option d – COM (Computer Output to Microfilm)
The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately:
A) 16 digits
B) 6 digits
C) 9 digits
D) All of the above
Option b – 6 digits
In most IBM PCs, the CPU, device drivers, memory, expansion slots, and active components are mounted on a single board. What is the name of the board?
A) Motherboard
B) Daughterboard
C) Breadboard
D) Fatherboard
Option a – Motherboard
In most IBM PCs, the CPU, device drivers, memory expansion slots, and active components are mounted on a single board. What is the name of this board? ( Computer Science MCQ for Gate Exam )
A) Motherboard
B) Breadboard
C) Daughterboard
D) Grandmotherboard
Option a – Motherboard
Magnetic disks are the most popular medium for:
A) Direct access
B) Sequential access
C) Both of the above
D) None of the above
Option c – Both of the above
A technique used by codes to convert an analog signal into a digital bit stream is known as: ( Computer Science MCQ for Gate Exam )
A) Pulse code modulation
B) Pulse stretcher
C) Query processing
D) Queue management
Option a – Pulse code modulation
Regarding a VDU, which statement is more correct?
A) It is an output device
B) It is an input device
C) It is a peripheral device
D) It is a hardware item
Option c – It is a peripheral device
To produce high-quality graphics (hardcopy), you would want to use:
A) Ink-jet printer
B) Plotter
C) RGB monitor
D) Laser printer
Option b – Plotter
What are the stages in the compilation process? ( Computer Science MCQ for Gate Exam )
A) Feasibility study, system design, and testing
B) Implementation and documentation
C) Lexical analysis, syntax analysis, and code generation
D) None of the above
Option c – Lexical analysis, syntax analysis, and code generation
Which of the following ICs was used in the third generation of computers?
A) SSI
B) MSI
C) LSI
D) Both A and B
Option d – Both A and B
The main electronic component used in the first generation of computers was: ( Computer Science MCQ for Gate Exam )
A) Transistors
B) Vacuum tubes and valves
C) Integrated circuits
D) None of the above
Option b – Vacuum tubes and valves
A dumb terminal has:
A) An embedded microprocessor
B) Extensive memory
C) Independent processing capability
D) A keyboard and screen
Option d – A keyboard and screen
One millisecond is: ( Computer Science MCQ for Gate Exam )
A) 1 second
B) 1/10th of a second
C) 1000th of a second
D) 1/10000th of a second
Option c – 1000th of a second
The output quality of a printer is measured by:
A) Dot per square inch
B) Dot per inch
C) Dots printed per unit time
D) All of the above
Option a – Dot per square inch
Which of the following was a special-purpose computer? ( Computer Science MCQ for Gate Exam )
A) ABC
B) ENIAC
C) EDVAC
D) All of the above
Option a – ABC
What was the computer invented by Attanasoff and Clifford?
A) Mark I
B) ABC
C) Z3
D) None of the above
Option b – ABC
Which of the following storage devices can store the maximum amount of data? ( Computer Science MCQ for Gate Exam )
A) Floppy disk
B) Hard disk
C) Compact disk
D) Magneto-optic disk
Option b – Hard disk
Which computer was considered the first electronic computer until 1973, when the court invalidated the patent?
A) ENIAC
B) MARK I
C) Z3
D) ABC
Option a – ENIAC
A physical connection between the microprocessor, memory, and other parts of the microcomputer is known as: ( Computer Science MCQ for Gate Exam )
A) Path
B) Address bus
C) Route
D) All of the above
Option b – Address bus
High-density double-sided floppy disks could store:
A) 1.40 MB
B) 1.44 GB
C) 1.40 GB
D) 1.44 MB
Option d – 1.44 MB
A high-quality CAD system uses the following for printing drawings and graphs:
A) Dot matrix printer
B) Digital plotter
C) Line printer
D) All of the above
Option b – Digital plotter
They can find files that are unnecessary to computer operation or take up considerable amounts of space. ( Computer Science MCQ for Gate Exam )
(a) Antivirus
(b) Sweep
(c) Disk cleaner
(d) Disk formatting
Option c – Disk cleaner
Utility programs include:
(a) Virus scanning software
(b) Backup software
(c) Disk defragmenter
(d) All of the above
Option d – All of the above
Which of the following is an example of utility software? ( Computer Science MCQ for Gate Exam )
(a) Text Editor
(b) Backup Utility
(c) Compression Utility
(d) Disk Defragmenter
(e) All of these
Option e – All of these
Operating system is a:
(a) Application Software
(b) System Software
(c) Hardware
(d) Language
Option b – System Software
In order for a peripheral to operate correctly, its must be installed. ( Computer Science MCQ for Gate Exam )
(a) Device driver
(b) User interface
(c) Internet connection
(d) Operating system
Option a – Device driver
Database software is used to:
(a) Discard sales records
(b) Store contracts list
(c) Keep customer records
(d) Generate report
Option c – Keep customer records
When files are broken up into small parts on a disk, they are said to be: ( Computer Science MCQ for Gate Exam )
(a) Fragmented
(b) Contiguous
(c) Sectored
(d) Disbursed
Option a – Fragmented
Direct is a:
(a) Computer Part
(b) A user interface
(c) Operating system
(d) Software that drives graphic software
Option d – Software that drives graphic software
Text editor is a/an: ( Computer Science MCQ for Gate Exam )
(a) Application software
(b) System software
(c) Utility software
(d) All-purpose software
(e) None of these
Option c – Utility software
“Booting the system” means:
(a) Loading the operating system
(b) Dismissing the computer
(c) Running an application program called ‘Booting’.
(d) Physically kicking the computer
Option a – Loading the operating system
Pick the odd one out: ( Computer Science MCQ for Gate Exam )
(a) UNIX
(b) MS-DOS
(c) Windows 98
(d) Access
Option d – Access
Related to computers, what is meant by ‘software’?
(a) Computer programs
(b) Computer circuitry
(c) Human Brain
(d) Floppy Discs
Option a – Computer programs
In computer terminology, ‘CAD’ stands for:
(a) Computer Applied Design
(b) Computer Algorithm and Design
(c) Computer Application Design
(d) Computer Aided Design
(e) Other than those given as options
Option d – Computer Aided Design
The primary purpose of software is to turn data into:
(a) Information
(b) Programs
(c) Objects
(d) Charts
(e) Websites
Option a – Information
Which of the following is software?
(a) Keyboard
(b) Internet explorer
(c) Scanner
(d) Mouse
(e) Printer
Option b – Internet explorer
The term used to describe the intangible instructions that tell the computer what to do is:
(a) Hardware
(b) Software
(c) Storage
(d) Input/Output
(e) None of these
Option b – Software
Computer software is:
(a) Used only for output
(b) A computer peripheral
(c) Used for input
(d) A set of instructions
(e) Used only in operating systems
Option d – A set of instructions
The language translator program used in assembly is called:
(a) Compiler
(b) Interpreter
(c) Assembler
(d) Translator
(e) None of the above
Option c – Assembler
What is backup?
(a) Connect a network to more components
(b) Copy data from the original source to another destination
(c) Filter old data from new data
(d) Access data from tape
(e) None of the above
Option b – Copy data from the original source to another destination
Which is a Windows utility program that locates and eliminates unnecessary fragments and rearranges files and unused disk space to optimize operations?
(a) Backup
(b) Disk Cleanup
(c) Disk Defragmenter
(d) Restore
(e) Disk Restorer
Option c – Disk Defragmenter
What does the acronym BIOS stand for?
(a) Basic Input/Outer System
(b) Basic Internal Output System
(c) Basic Inner/Output System
(d) Basic Input/Output Systemisation
(e) Basic Input/Output System
Option e – Basic Input/Output System
The software used to create text-based documents is referred to as:
(a) DBMS
(b) Suites
(c) Spreadsheets
(d) Presentation Software
(e) Word Processors
Option e – Word Processors
The combination of operating system and processor in a computer is referred to as a computer:
(a) Firmware
(b) Specifications
(c) Minimum requirements
(d) Platform
(e) None of these
Option a – Firmware
What is software?
(a) A type of computer code
(b) A computer language
(c) A set of instructions for your computer
(d) A cover for the computer
(e) None of these
Option c – A set of instructions for your computer
What are two examples of freeware?
(a) Winzip & Linux
(b) Shareware & file sharing
(c) Microsoft Word & the Google toolbar
(d) Instant messaging & the Google toolbar
(e) Microsoft Powerpoint & Microsoft Excel
Option d – Instant messaging & the Google toolbar
Vendor-created program modifications are called:
(a) Patches
(b) Antiviruses
(c) Holes
(d) Fixes
(e) Overlaps
Option a – Patches
Every computer has a (n) and many also have:
(a) Operating system, a client system
(b) Operating system, instruction sets
(c) Application programs, an operating system
(d) Application programs; a client system
(e) Operating system, application programs
Option e – Operating system, application programs
Which of the following is not a type of computer software which can be bought?
(a) Off the shelf
(b) Tailor-made
(c) Custom-developed
(d) Off-the-shelf with alterations
(e) All of these can be purchased
Option e – All of these can be purchased
Computer equipment itself is called:
(a) Hardware
(b) Byte
(c) Mouse
(d) Software
(e) Default
Option a – Hardware
Computer software can be defined as:
(a) The computer and its associated equipment
(b) The instructions that tell the computer what to do
(c) Computer components that act to accomplish a goal
(d) An interface between the computer and the network
(e) The interaction between the computer and its database
Option b – The instructions that tell the computer what to do
A (n) is the general term for hardware not necessary to the basic function of the computer, connected externally:
(a) Icon
(b) Bit
(c) Keyboard
(d) Printer
(e) Peripheral
Option e – Peripheral
The ___ of a system includes the program or instructions:
(a) Peripheral
(b) Software
(c) Information
(d) Icon
(e) Hardware
Option b – Software
A(n) backup contains a copy of every program, data, and system file on a computer:
(a) Restoration
(b) Bootstrap
(c) Differential
(d) Full
(e) None of these
Option d – Full
Every component of your computer is either:
(a) Application software or system software
(b) Software or CPU / RAM
(c) Hardware or software
(d) Input devices or output devices
(e) None of these
Option c – Hardware or software
All the characters that a device can use is called:
(a) Skill Set
(b) Character alphabet
(c) Character codes
(d) Keyboard characters
(e) Character set
Option e – Character set
A (n) is a program that makes the computer easier to use:
(a) Application
(b) Utility
(c) Network
(d) Operating system
(e) None of these
Option b – Utility
The manual tells you how to use a software program:
(a) Documentation
(b) Programming
(c) Technical
(d) User
(e) None of these
Option d – User
The term designates equipment that might be added to a computer system to enhance its functionality:
(a) Disk Pack
(b) System add-on
(c) Digital device
(d) Peripheral device
(e) None of the above
Option d – Peripheral device
Which is the best definition of a software package?
(a) An add-on for your computer such as additional memory
(b) A set of computer programs used for a certain function such as word processing
(c) A protection you can buy for a computer
(d) The box, manual, & license agreement that accompany commercial software
(e) None of these
Option b – A set of computer programs used for a certain function such as word processing
If a new device is attached to a computer, such as a printer or scanner, its ___ must be installed before the device can be used:
(a) Buffer
(b) Driver
(c) Pager
(d) Server
(e) None of these
Option b – Driver
What disk is used to cold boot a PC?
(a) Setup disk
(b) System disk
(c) Diagnostic disk
(d) Program disk
(e) None of these
Option b – System disk
The process of writing out computer instructions is known as:
(a) Assembling
(b) Compiling
(c) Executing
(d) Coding
(e) None of these
Option d – Coding
The general term “peripheral equipment” is used for:
(a) Any device that is attached to a computer system
(b) Large-scale computer systems
(c) A program collection
(d) Other office equipment not associated with a desktop computer
(e) None of these
Option a – Any device that is attached to a computer system
Which helps create written documents and lets you go back and make corrections as necessary?
(a) Spreadsheet
(b) Personal writer
(c) Word printer
(d) Word processor
(e) None of these
Option d – Word processor
Start or restart of the computer is called:
(a) Exit
(b) Kick
(c) Boot
(d) Kick-start
(e) None of these
Option c – Boot
___ is when the computer is turned on and the operating system is loading:
(a) Booting
(b) Flashing
(c) Tracking
(d) Taping
(e) None of these
Option a – Booting
Computer programs are also known as:
(a) Operating Systems
(b) Documents
(c) Peripherals
(d) Applications
(e) None of these
Option d – Applications
The operating system is the most common type of ___ software:
(a) Communication
(b) Application
(c) System
(d) Word-processing
(e) None of these
Option c – System
A computer system includes:
(a) Hardware
(b) Software
(c) Peripheral devices
(d) All of these
(e) None of these
Option d – All of these
One who designs, writes, tests, and maintains computer programs is called a:
(a) User
(b) Programmer
(c) Designer
(d) Operator
(e) None of the above
Option b – Programmer
The human-readable version of a program is called:
(a) Source code
(b) Program code
(c) Human code
(d) System code
(e) None of these
Option a – Source code
A(n) ___ converts & executes one statement at a time:
(a) Compiler
(b) Interpreter
(c) Converter
(d) Instructions
(e) None of these
Option b – Interpreter
Copying a computer program or software without permission of its author is called:
(a) Highway robbery
(b) Larceny
(c) Software piracy
(d) Embezzlement
(e) None of these
Option c – Software piracy
Peripheral devices such as printers & monitors are considered to be:
(a) Hardware
(b) Software
(c) Data
(d) Information
(e) None of these
Option a – Hardware
Antivirus software is an example of:
(a) Business Software
(b) An operating system
(c) A security utility
(d) An office suite
(e) None of these
Option c – A security utility
A backup contains a copy of every program, data & system file on a computer. This type of backup is called:
(a) Restoration
(b) Bootstrap
(c) Differential
(d) Full
(e) None of these
Option d – Full
Which is not an item of hardware?
(a) An MP3 file
(b) A keyboard
(c) A monitor
(d) A mouse
(e) None of these
Option a – An MP3 file
Each component of a computer is either:
(a) Hardware or software
(b) Software or CPU/RAM
(c) Application software
(d) Input devices or output devices
(e) None of these
Option a – Hardware or software
When you turn on the computer, the boot routine will perform which test?
(a) RAM Test
(b) Disk drive test
(c) Memory Test
(d) Power-on-self test
(e) None of these
Option d – Power-on-self test
A compiler translates a program written in a high-level language into:
(a) Machine language
(b) An algorithm
(c) A debugged program
(d) Java
(e) None of these
Option a – Machine language
This can be another word for program:
(a) Software
(b) Disk
(c) Floppy
(d) Hardware
(e) None of these
Option a – Software
Hardware includes:
(a) All devices used to input data into a computer
(b) Sets of instructions that a computer runs or executes
(c) The computer & all the devices connected to it that are used to input and output
(d) All devices involved in processing information including the CPU, memory & storage
(e) None of these
Option c – The computer & all the devices connected to it that are used to input and output
The role of a ___ is generally to determine buyers’ needs and match it to the correct hardware & software:
(a) Computer scientist
(b) Computer sales representative
(c) Computer consultant
(d) Corporate trainer
(e) None of these
Option b – Computer sales representative
Which is the part of a computer that one can touch & feel?
(a) Hardware
(b) Software
(c) Programs
(d) Output
(e) None of these
Option a – Hardware
A series of instructions that tells a computer what to do and how to do it is called a:
(a) Program
(b) Command
(c) User response
(d) Processor
(e) None of these
Option a – Program
Which of the following statements is true concerning virtual memory?
(a) Virtual memory is the space on the hard drive where the OS begins to store data when it becomes memory-bound.
(b) Accessing data from RAM is slower than accessing data from virtual memory.
(c) Both of these
(d) If a computer is memory-bound, adding more RAM will not solve the problem.
(e) None of these
Option a – Virtual memory is the space on the hard drive where the OS begins to store data when it becomes memory-bound
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