Worksheetsclass 4 chapter3
Total questions: 10
Worksheet time: 5mins
______________________ is an electronic device
computer
fan
tube light
________________ means raw facts or figures
Information
data
newspaper
__________________ unit is used for entering data and programs into the computer system by the user for processing .
processing unit
output unit
input unit
The devices that surround the CPU are called______________ devices.
monitor
peripherals
input
___________________ is a set of programs
hardware
software
instructions
PC stands for________________
personal computer
private computer
public computer
_________________ are lightweight mobile PCs with a thin screen
laptops
computer
television
___________________ are mobile PCs that combine features of laptops and handheld computers
laptops
tablet
desktop computer
________________unit is used to present soft and hard copy of information
input
output
processing
________________is the brain of the computer
CPU
mouse
monitor
