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Input Devices
The devices that are used to enter data into the computer and give instructions are called
input devices. Some input devices are keyword and mouse. Now, let us learn about more
input devices.
Keyboard
A keyboard has many buttons that help you type letters, numbers,
symbols and execute various commands.
Mouse
A mouse is a pointing device which allows user to select or point on the screen.
Scanner
A scanner is used to read paper documents, images or pictures and send them
as input to the computer. It converts hard copy into soft copy. A scanner can
be connected to a computer using a USB cable.
Joystick
A joystick is used to play games on a computer. It helps control the different
movements or actions in the game.
Microphone
A microphone is used to record voice, music and sounds that can be stored on a
computer.
Web Camera
A web camera is used to take pictures in digital form and store photographs in
the computer. It is also known as webcam. It is commonly used for video
conferencing.
Light Pen
A light pen is used to point to objects or draw on the screen in a way like a
touch screen. It is used to draw text and diagrams on the monitor.
If CPU is the brain of a computer, then which computer hardware is its ear?
Computer Hardware and Software 11

