Different types of hardware and wireless connections

Hardware Connections


VGA (Video Graphics Array) is a type of connection found on many video cards, computer monitors and some high definition televisions.

Line IN & Line OUT

Line In is a connector on audio equipment to which a device such as a CD-player of a tape cassette player may be attached. Meanwhile, Line Out is a connector on audio equipment to which audio components can be attached such as stereo speakers. Line In and Line Out connection is used for audio. It is generally found on computers and televisions.


Firewire is a technology that allows high-speed communication and data exchange between a computer and a peripheral or between two computers.

SD/Media card slot

SD (Secure Digital) cards are a type of memory card used for portable devices, such as mobile phones, digital cameras, GPS navigation devices and tablet computers. SD cars are used for storing digital media (e.g. audio, video and picture files).

Meanwhile, a media card is a small cardlike information storage device that holds data in flash memory.


SCART is a type of audio and video connection. The name stands for the french way of saying 'Radio and Television Receiver Manufacturer's Association'.


An optical fiber cable is a cable that contains one or more optical fibers. The optical fiber elements are individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be arranged. They are used to transfer digital data between digital components using bursts of light that is carried over glass or plastic fibers. Optical fibers are able to transmit large amounts of information at the speed of light.


HDMI (High-Definition Multimedia Interface) is a digital way of transferring uncompressed audio and digital data from a HDMI-compliant device to a compatible digital audio device, computer, video projector or digital television. It is also able to send and receive signals for compatible device control and it has a built in content protection.


USB (Universal Serial Bus) is a connection technology for attaching peripheral devices to a computer, providing fast data exchange. USB can be used to connection many different file types, including word documents, videos, audio and images.

Wireless Connections


Infrared connection is a communication method where a mobile device is connected to another device, such as another mobile device, computer or printer, using an infrared port on each device.


Bluetooth is a standard for the short-range wireless interconnection of cellular phones, computers and other electronic devices.

Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security. Created by telecoms vendor Ericsson in 1994,[1] it was originally conceived as a wireless alternative to RS-232 data cables. It can connect several devices, overcoming problems of synchronization.


Wireless network refers to any type of computer network that is not connected by cables of any kind. It is a method by which homes,telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations.[1] Wireless telecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure.