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Input and Output
Devices
3
Learning Outcomes
IPO Devices Input Devices
Processing Device Output Devices
Storage Devices
i + IPO DEVICES
A computer is made up of many parts. These parts are also known as IPO devices.
i + INPUT DEVICES
The devices that are used to enter data into the computer and give orders are
called input devices. Some of the commonly used input devices are:
Keyboard
A keyboard is an input device that is used to give
instructions to the computer by typing text and numbers.
It has buttons called keys.
Keyboard
Mouse
A mouse is an input device that sends instructions to the computer
with the click of a button. It is used to draw pictures and for selecting
Mouse objects on the computer.
Scanner
A scanner is an input device that is used to convert documents or
images from paper to the computer. It works like a photocopier
machine. Scanner
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Input and Output Devices

