Computer MCQ: MCQ Test
50 questions · pick one option for each · submit when you finish to see your score and the correct answers.
Question 1 of 50
A key that will erase information from the computer's memory and characters on the screen ……………
- AEdit
- BDelete key
- CDummy out
- DTrust key
Question 2 of 50
Devices that allow you to put information into the computer …………..
- AInput
- BOutput
- CType
- DPrint
Question 3 of 50
Computations and logical operations are performed by the……
- ARAM
- BALU
- CRegister
- DControl unit
Question 4 of 50
A ………. is an electronic device that processes data and converts it into information.
- AComputer
- BProcessor
- CCase
- DStyles
Question 5 of 50
All of the logic and mathematical calculations done by the computer happen in/on the ………
- Asystem board
- Bcentral control unit
- CCentral processing unit
- Dmotherboard
Question 6 of 50
A CD-ROM disk …………..
- Acannot be erased and rewritten
- Bhas more storage capacity than a CD-R
- Cholds less data than a floppy disk
- Dcan be written only once
Question 7 of 50
The main memory of a computer can also be called ……….
- Aprimary storage
- BInternal memory
- Cprimary memory
- DAll of these
Question 8 of 50
Where is the disk put in a computer?
- Ain the modem
- Bin the hard drive
- Cinto the CPU
- Din the disk drive
Question 9 of 50
What is output?
- AWhich is taken by user to processor
- BWhich is get to processer by user
- CWhich is get to user from processor
- DWhich is get to processor by user
Question 10 of 50
To make the number pad act as a directional arrow, we press………….
- ANum lock
- BCaps lock
- CArrow lock
- DShift
Question 11 of 50
An example of a processing device would be……
- Aa magnetic ink reader
- Ba tablet PC
- CSpecial function cards
- Dscanners
Question 12 of 50
To select text by shading as you drag the mouse arrow over the text is referred to as ……………
- AClip art
- BHighlight
- CFetch
- DDecode
Question 13 of 50
By firmware we understand …………
- APhysical equipment used in a computer system
- BA set of instructions that causes a computer to perform one or more tasks
- CThe people involved in the computing process
- DA set of programs that it pre-installed into the read only memory of a computer during the time of manufacturing
Question 14 of 50
Storage and memory differ with respect to which of the following characteristics?
- APrice
- BReliability
- CSpeed
- DAll of these
Question 15 of 50
The arithmetic/logic unit performs the following actions ……….
- Achecks data for accuracy
- Bdoes calculations using addition, subtraction, multiplication, and division
- Cdoes logical comparisons, such as equal to, greater than, less than
- Ddoes both calculations and logical comparisons
Question 16 of 50
A …….. Contains specific rules and words that express the logical steps of an algorithm.
- AProgramming language
- BProgramming structure
- CSyntax
- DLogic chart
Question 17 of 50
………… is processed in information by computer processor.
- ANumber
- BProcessor
- CInput
- DData
Question 18 of 50
Which device can understand difference between data and programs?
- AInput device
- BOutput device
- CMemory
- DMicroprocessor
Question 19 of 50
Which of the following is the second largest measurement of RAM?
- ATerabyte
- BMegabyte
- CByte
- DGigabyte
Question 20 of 50
Optical Character Reader (OCR) is an example of ___
- AOutput Device
- BInput Devide
- CInterface Device
- DStorage Device
Question 21 of 50
A sales clerk at a checkout counter scanning a tag on an item rather than keying it into the system is using ……….
- Ainput automation
- Bitem data automation
- Cscanning automation
- Dsource data automation
Question 22 of 50
The information processing cycle includes the following processes ……….
- Ainput, processing, output, storage
- Binput, output, manipulation, arithmetic
- Cdata, processing, printing, editing
- Dstorage, display, data, information
Question 23 of 50
The ……………. Key and the ……….. Key can be used in combination with other keys to perform shortcuts and special tasks.
- AControl, Alt
- BFunction, toggle
- CDelete, insert
- DCaps lock, num lock
Question 24 of 50
A disk on which you store information----
- APlate
- BData disc
- CPaper disk
- DTV disk
Question 25 of 50
Information that comes from an external source and is fed into computer software is called ……………
- AInput
- BOutput
- CThroughput
- DReports
Question 26 of 50
What is a keyboard used for?
- AInput text and numbers and send commands to the computer
- BTo create new keys to use with your computer
- Cto open the computer up
- DNone of these
Question 27 of 50
The faster, costlier and relatively small form of storage managed by computer system hardware is :
- AMain Memory
- BFlash Memory
- CCache
- DDisk
Question 28 of 50
………….. Devices convert human-understandable data and programs into a form that the computer.
- AOutput
- BSolid state
- CMonitor
- DInput
Question 29 of 50
Of the following, which is the fastest?
- ACD-ROM
- BRAM
- CRegisters
- DCache
Question 30 of 50
What is the function of the Central Processing Unit of a computer?
- ACreates invoices
- BPerforms calculations and processing
- CDeletes Data
- DCorrupts the data
Question 31 of 50
Devices that let the computer communicate with you ……..
- AInput
- BOutput
- CType
- DPrint
Question 32 of 50
The contents of memory will not loose, when the power goes off in ………
- AROM
- BEPROM
- CEEPROM
- DAll of above
Question 33 of 50
Mr. X has no printer to print his report. He wants to take it to Mr. Y's computer because Mr. Y has a printer. Mr. X could save his report on a …………..
- AHard drive
- Bpiece of paper
- Cscanner
- Dfloppy disk
Question 34 of 50
The first computer mouse was built by ____
- ADouglas Engelbart
- BWilliam English
- COaniel Coogher
- DRobert Zawacki
Question 35 of 50
Digital photos and scanned images are typically stored as … graphics with extensions such as bmp, png, jpg, tif, or gif.
- Avector
- Bbitmap
- Ceither vector or bitmap
- Dneither vector nor bitmap
Question 36 of 50
The information you put into the computer is called ……
- Adirectory
- Bfacts
- Cdata
- Dfiles
Question 37 of 50
Which of the following stores data permanently in a computer?
- AALU
- BCache Memory
- CRAM
- DROM
Question 38 of 50
Artihmetic operations__
- AInvolve matching one data item with another to determine if the item is greater than or equal to or less than the other item
- BSort data item according to standard, predefined criteria in ascending order or descending order
- CUse conditions with operator as AND, OR and NOT
- DInclude addition, subtraction, multiplication and division
Question 39 of 50
Which of the following does not relate to input unit?
- AIt accepts data from the outside world
- BIt converts data into binary code that is understandable by the computer
- CIt converts binary data into the human readable form that is understandable to the users
- DIt sends data in binary form to the computer for further processing
Question 40 of 50
Researchers from the UK and India have developed a hand-washing robot, who has been named?
- AGope
- BHepe
- CHope
- DPepe
Question 41 of 50
The part of a computer that coordinates all its functions is called its…….
- AROM program
- BSystem board
- CArithmetic logic unit
- DControl unit
Question 42 of 50
The ……….. tells the rest of the computer how to carry out a program's instructions.
- AALU
- Bcontrol unit
- Csystem unit
- Dmotherboard
Question 43 of 50
What is the shape of a DVD?
- ASquare
- BRound
- CTriangular
- DHexagonal
Question 44 of 50
The ………. Takes on different shapes depending on the task you are performing.
- Aactive tab
- Binsertion point
- Cmouse pointer
- Dribbon
Question 45 of 50
In the context of digital technologies for entertainment, consider the following statements:
- AIn Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out.
- BIn Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surrounding.
- CAR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC
- DVR closes the world and transposes an individual, providing complete immersion experience.
Question 46 of 50
Which of the following is a popular programming language for developing multimedia web pages.
- ACOBOL
- BJava
- CBASIC
- DAssembler
Question 47 of 50
Adisk's content that is recorded at the time of manufacture and that cannot be changed or erased by the user is ………….
- Amemory only
- Bwrite only
- Cread only
- Drun only
Question 48 of 50
During processing data, programs and processed information are held temporality in ……….
- ASecondary storage
- BROM
- CRAM
- DCPU
Question 49 of 50
A string of eight 0s and 1s is called a ………….
- Amegabyte
- Bkilobyte
- Cgigabyte
- Dbyte
Question 50 of 50
In the binary language each letter of the alphabet, each number and each special character is made up of a unique combination of ……….
- Aeight bytes
- Beight kilobytes
- Ceight characters
- Deight bits