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Take Off Century #Critical Thinking
21 st
Skills
Match the following:
a. i. Mouse
b. ii. CPU
c. iii. Monitor
d. iv. Keyboard
A computer works on the IPO (Input-Process-Output) cycle. It receives input from the user
through input devices, processes it using the CPU and gives back the output using output
devices. We have learnt about the parts and uses of a computer in our previous classes. Let us
learn more about a computer parts.
COMPUTER HARDWARE
The parts of a computer that we can see and touch are called Hardware. All input, processing,
output and storage devices form the hardware components of a computer system. The
hardware components are divided into four groups.
Hardware
Input Processing Output Storage
Devices Device Devices Devices
Input Devices
The devices that are used to enter data into
the computer and give instructions are
called input devices. Some input devices
you know are keyboard and mouse.
Now let us learn about more input
devices.
Computer Hardware and Software 11

