Computer Hardware Input/Output

A device, usually external to a computer, that is plugged into a computer's communication port or is connected wirelessly. Common examples are keyboards, mice, monitors, speakers, and printers.

• Peripheral

• Touch Screen

• Scanner

• Bluetooth

A display device that allows a user to interact with a computer by touching, tapping, and swiping areas on the screen.

• Touch Screen

• Keyboard

• Mouse

• Laptop

A printer that sprays small dots of ink from an ink reservoir onto a sheet of paper.

• Inkjet Printer

• Laser Printer

• Scanner

• Video Graphics Array

A printer that uses electrical charges and heat to fuse tiny plastic particles (called toner) to the paper.

• Inkjet Printer

• Laser Printer

• Scanner

• Touchscreen

A device that scans paper documents and converts them into digital files.

• Inkjet Printer

• Laser Printer

• Scanner

• Touchscreen

A common interface used to connect peripherals, such as mice, keyboards, printers, and digital cameras to a computer.

• Universal Serial Bus (USB)

• FireWire

• Video Graphics Array (VGA)

• Digital Visual Interface (DVI) connector

An interface used to connect peripherals such as digital cameras and external hard drives to a computer. It is no longer commonly used.

• Universal Serial Bus (USB)

• FireWire

• Video Graphics Array (VGA)

• Digital Visual Interface (DVI) connector

A connector, identified by its blue color and three rows of pins, that is used to connect older monitors to a computer.

• Video Graphics Array (VGA) connector

• Digital Visual Interface (DVI) connector

• High-Definition Multimedia Interface (HDMI) connector

• Registered Jack 45 (RJ-45) connector

A connector, typically white with three rows of eight pins, designed to connect digital monitors to a computer.

• Video Graphics Array (VGA) connector

• Digital Visual Interface (DVI) connector

• High-Definition Multimedia Interface (HDMI) connector

• Registered Jack 45 (RJ-45) connector

A connector now available on a wide variety of devices such as computers, monitors, TVs, Blu-Ray players, and more. HDMI is used to transfer high-definition signals. It supports both audio and video data.

• Video Graphics Array (VGA) connector

• Digital Visual Interface (DVI) connector

• High-Definition Multimedia Interface (HDMI) connector

• Registered Jack 45 (RJ-45) connector