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Touchscreen
A touchscreen is used to enter data by simply touching the
screen. In this, finger acts as a pointing device as the object on
the screen is pointed using finger.
Microphone
A microphone is an input device. It is used to record voice, music HARDWARE AND SOFTWARE
and sounds. These can be stored on a computer.
Web Camera
A web camera is used to take pictures in digital form and store 15
photographs in the computer. It is also known as webcam.
Light Pen
A light pen is used to point to display objects or draw on the
screen in a way like a touch screen.
Fun Laptops have in-built cameras, so webcams are used in Desktop
Fact! systems.
All these devices are listed in Input Devices but what about monitor,
CPU and other devices we learned about in previous class?
I was about to tell you about the other devices which are very important
for the working of a computer.
Output Devices
The devices that show us the result of processing done by the CPU are called output
devices. The result can be in any of these forms: display on the monitor, print by the
printer and sound from the speakers.

