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Mouse
A mouse is a pointing device that allows users to interact with objects
on the screen by moving the cursor.
Touchpad
A touchpad is a flat, touch-sensitive surface found in laptops.
It serves as an alternative to a mouse and lets you move the
cursor by sliding your finger on it.
Scanner
A scanner turns paper documents and images into digital files,
allowing them to be saved and edited on a computer.
Barcode Scanner
A barcode scanner scans and reads barcodes and sends data to a
computer. It is commonly used in retail stores.
Microphone
A microphone records sound and lets you give voice commands.
Webcam
A webcam is a small camera on a computer that lets you see and talk to
people far away.
Joystick and Game Controller
A joystick and game controller are used for playing video
games and simulations.
PROCESSING DEVICE
A processing device is the part of a computer that takes
the information you provide, follows instructions to process
it and then gives you the result.
Inside a Computer 9
