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WorksheetsKnow Your Computer — Snap Recap
Total questions: 40
Worksheet time: 20mins
SNAP RECAP: What is a computer?
An electronic machine that accepts input, processes data, and produces output as information
A manual filing cabinet used for storing paper records
A type of paper used for writing notes
A musical instrument that makes sounds
SNAP RECAP: What is computer hardware?
The physical parts of a computer that you can see and touch
The set of rules for how people use computers
Programs and instructions that tell the computer what to do
The internet connection used by the computer
Activity: Find out about the different types of printers installed in your school and write a few points about each. What hardware are you asked to investigate for this activity?
Printers
Monitors
Keyboards
Projectors
Match the boxes by coloring them alike. Choose the correct match for Hard disk.
Web camera
Secondary memory
Printer
Monitor
RAM
Match the boxes by coloring them alike. Choose the correct match for Short term memory.
Web camera
Secondary memory
Printer
Monitor
RAM
Match the boxes by coloring them alike. Choose the correct match for Looks like a TV.
Web camera
Secondary memory
Printer
Monitor
RAM
Match the boxes by coloring them alike. Choose the correct match for Used for video chatting.
Web camera
Secondary memory
Printer
Monitor
RAM
Match the boxes by coloring them alike. Choose the correct match for Prints on paper.
Web camera
Secondary memory
Printer
Monitor
RAM
Input devices help to feed data or instructions into the computer.
feed data or instructions into the computer
display results from the computer
store data for long-term use
produce sound from the computer
The keyboard is an input device which operates like a typewriter.
typewriter
printer
microphone
camera
The mouse is another input device. It is also known as a pointing device.
pointing device
storage device
output device
processing unit
The most common type of computer mouse is an optical mouse.
optical mouse
mechanical keyboard
laser printer
plotter
Output devices give the result or the information.
the result or the information
data inputs to the computer
instructions for the user
the computer’s storage capacity
Which of the following is a common output device mentioned?
computer monitor
mouse
keyboard
touchpad
Once information has been sent to a computer by an input device, the computer does what with it?
processes it
ignores it
deletes it automatically
prints it without processing
A computer’s storage capacity is measured in terms of bytes.
bytes
meters
watts
pages
The storage unit is the storage area of a computer. It is the main memory, also called the primary memory.
primary memory
external memory
cache only
ROM only
Primary memory is also called the internal memory.
internal memory
external memory
secondary memory
output memory
Secondary memory is also called external memory. Here the data is stored on a long-term basis.
external memory
internal memory
volatile memory
temporary memory
Computers are useful in many areas like education, science, business, music, entertainment and multimedia. Which area listed is one of these?
education
cooking
farming
knitting
A computer can only work based on the instructions given to it. It does not have decision-making capacity and does not have an intelligence of its own.
It works based on instructions and does not have its own intelligence
It can think and decide on its own
It is intelligent and needs no instructions
It makes decisions without input
Give full forms of the following: ALU
Arithmetic and Logic Unit
Analog Learning Utility
Advanced Link Unit
Automatic Logging Utility
Give full forms of the following: VDU
Visual Display Unit
Virtual Data Utility
Video Dial-Up
Visual Data User
Give full forms of the following: CU
Control Unit
Central Utility
Compute User
Circuit Unit
Give full forms of the following: RAM
Random Access Memory
Rapid Array Module
Readily Available Memory
Read-After-Make
Give full forms of the following: ROM
Read Only Memory
Remote Output Module
Runtime Operating Mode
Random Output Memory
Give full forms of the following: LED
Light Emitting Diode
Logical Electronic Display
Low Energy Display
Linked External Device
Give full forms of the following: GB
Gigabyte
GigaBlock
Graphical Byte
General Buffer
Give full forms of the following: MU
Memory Unit
Monitor Utility
Mainframe User
Media Uplink
Give full forms of the following: CD
Compact Disc
Computer Drive
Central Disk
Content Directory
Fill in the blanks with the correct word. The printer and speakers are __________ devices.
output
pointing
CPU
volatile
Fill in the blanks with the correct word. ROM is __________ in nature.
permanent
volatile
output
pointing
Fill in the blanks with the correct word. RAM is also called __________ memory.
volatile
permanent
speaker
CPU
Fill in the blanks with the correct word. A __________ is an output device that generates sound waves.
speaker
CPU
pointing
volatile
True or false? Each key is expressed in terms of a bit.
True
False
True or false? Multimedia is a computer-based interactive communication process.
True
False
True or false? A flash drive is a portable storage device about the size of a postage stamp.
True
False
True or false? A Blu-ray disc stores a minimum of 4.7 GB of data while a DVD stores up to 25 GB.
True
False
Give one word for the following. It operates like a typewriter, but has many additional keys.
Keyboard
Mouse
Scanner
Joystick
Give one word for the following. It uses light to detect the movement of the mouse.
Optical sensor
Laser printer
Webcam
Trackball
