Computer devices: Functions

Front

Keyboard

Back

The keyboard is the most common input device used for typing text, numbers, and commands into a computer. It consists of keys such as letters, numbers, function keys, and control keys.

Front

Mouse

Back

The mouse is used to interact with the graphical user interface (GUI) of a computer, such as clicking, dragging, and scrolling.

Front

Scanner

Back

A scanner is used to digitize physical documents, images, or photos, converting them into digital formats that can be edited or saved.

Front

Microphone

Back

A microphone captures sound and converts it into digital signals for use in applications such as voice recognition, video conferencing, or audio recording.

Front

Touchpad

Back

A touchpad is a flat, touch-sensitive surface used primarily on laptops to move the cursor and interact with the computer, functioning similarly to a mouse.

Front

Touch Screen

Back

A touch screen allows users to interact directly with the display by touching the screen. It is widely used in smartphones and tablets.

Front

Digital Camera

and

Webcam

Back

A digital camera or webcam is used to capture still images and videos.

Front

Game Controllers

Back

Game controllers are used to interact with video games. They typically include buttons, joysticks, and triggers to control characters and actions in the game.

Front

Light Pen

Back

A light pen is a pointing device used to interact with a computer screen. It works by detecting the light emitted from the screen and can be used for drawing or selecting items on the display.

Front

Barcode Scanner

Back

A barcode scanner reads printed barcodes (usually on products or documents) and inputs the information into a computer. It is commonly used in retail, libraries, and warehouses.