CBSE Class 5 Computer Studies Components of Computer System MCQs

Question. Which of the following is part of the System Unit ?
a) Monitor
b) CPU
c) CD-ROM
d) Floppy Disk

Answer : B

Question. What is a device that can change images into codes for the computer ?
a) Mouse
b) Printer
c) Joystick
d) Scanner

Answer : D

Question. Which of the following is not a function of the control unit ?
a) Read instructions
b) Execute instructions
c) Interpret instructions
d) Direct operations

Answer : D

Question. The term used to define all input and output devices in a computer system is __________ ?
a) Monitor
b) Software
c) Shared resources
d) Hardware

Answer : D

Question. Video processors consist of _____ and _____ which store and process images ?
a) CPU and VGA
b) CPU and memory
c) VGA and memory
d) VGI and DVI

Answer : D

Question. The ________ is responsible for performing calculations and contains decision-making mechanisms ?
a) Central Processing Unit
b) Memory Unit
c) Arithmetic and Logic Unit
d) Output Unit

Answer : C

Question. To access properties of an object, the mouse technique to use is ?
a) right-clicking
b) shift-clicking
c) dragging
d) dropping

Answer : A

Question. The name of the computers brain is ?
a) monitor
b) hardware
c) CPU
d) byte

Answer : C

Question. Which of the following is part of the System Unit ?
a) Monitor
b) CPU
c) CD-ROM
d) Floppy Disk

Answer : B

Question. Which is the part of the computer system that one can physically touch ?
a) data
b) operating system
c) hardware
d) software

Answer : C

Question. The main circuit-board of the system unit is the ?
a) computer program
b) control unit
c) motherboard
d) RAM

Answer : C

Question. The patterns of printed lines on most products are called ?
a) prices
b) striping
c) scanners
d) barcodes

Answer : D

Question. Which keys enable the input of numbers quickly ?
a) ctrl, shift and alt
b) function keys
c) the numeric keypad
d) arrow keys

Answer : C

Question. The primary output device for computers is a ?
a) video monitor
b) printer
c) keyboard
d) mouse

Answer : A

Question. The computer is made of which of the following hardware equipments ?
a) Monitor, CPU (Central Processing Unit), Keyboard, Mouse, Software and Network
b) Monitor, CPU (Central Processing Unit), Keyboard, Mouse, Programme and Network
c) Monitor, CPU (Central Processing Unit), Keyboard, Mouse, Printer and Modem
d) Monitor, CPU (Central Processing Unit), Keyboard, Mouse, Applications and Network

Answer : A

Question. For seeing the output, you use ?
a) Monitor
b) Keyboard
c) Mouse
d) Scanner

Answer : A

Question. What is the function of the Central Processing Unit of a Computer ?
a) Creates invoices
b) Performs calculations and processing
c) Deletes Data
d) Corrupts the data

Answer : B

Question. Most of the commonly used personal computers/ laptops do not have a command key known as _________ ?
a) Turnover
b) Shift
c) Alter
d) Delete

Answer : A

Question. Which of the following could be digital input devices for computers ?
a) Digital camcorder
b) Microphone
c) Scanner
d) All of the above

Answer : D

Question. Which process checks to ensure the components of the computer are operating and connected properly ?
a) Booting
b) Processing
c) Saving
d) Editing

Answer : A

Question. Video controller ?
a) Controls the resolution of images on screen
b) Controls the signals to be sent and received from processor for display
c) Handles the entire electronic work behind the formation of images on the screen
d) Is responsible for allocating pixels for formation of images

Answer : C

Question. The output which is made up of pictures, sounds, and video is called ?
a) COM
b) hard copy
c) graphics
d) multimedia

Answer : D

Question. The main job of a CPU is to __________ ?
a) carry out program instructions
b) store data/information for future use
c) process data and information
d) Both (a) and (c)

Answer : D

Question. _________ is the part of the computer that does arithmetical calculations ?
a) OS
b) ALU
c) CPU
d) Memory

Answer : B

Question. Codes consisting of lines of varying widths or lengths that are computer-readable are known as ?
a) an ASCII code
b) a magnetic tape
c) a bar code
d) an OCR scanner

Answer : C

Question. Computer _________ is whatever is typed, submitted, or transmitted to a computer system ?
a) input
b) output
c) data
d) circuitry

Answer : A

Question. A joystick is primarily used to/for ___________ ?
a) Control sound on the screen
b) Computer gaming
c) Enter text
d) Draw pictures

Answer : B

Question. Holding the mouse button down while moving an object of text is known as ?
a) moving
b) dragging
c) dropping
d) highlighting

Answer : B