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Hardware and Software

Input and Output

System and Application

Network and Database

Performing arithmetic calculations

Managing data flow to the printer

Executing instructions from software

Controlling input and output devices

To process data

To store data

To connect external devices

To manage power

Logical part

Programs

Abstract elements

CorelDRAW

Microsoft Word

Adobe Photoshop

Microsoft Excel

To display images

To input data

To connect to the internet

To store files

To allow faster movement through programs and windows

To replace the keyboard

To connect to the internet

To enhance graphics performance

It works like a regular mouse

It functions as an inverted mouse

It requires movement to operate

It is used for gaming

Trackball

Mouse Gamer

Mouse ergonômico

Wireless Mouse

Typing

Scrolling

Drawing

Gaming

Optical readers use light, while magnetic readers use magnetic fields.

Optical readers are faster than magnetic readers.

Magnetic readers are more accurate than optical readers.

To store images

To capture light and convert it into an electronic signal

To print images

To focus the lens

By using a laser to reflect light off the barcode

By using a camera to take a picture of the barcode

By using a magnetic strip to read the barcode

By using sound waves to detect the barcode

Pen-type reader

Laser scanner

CCD reader

Camera-based reader