A Universal Serial Bus (USB) is a common
interface that enables communication
between devices and a host controller such
as a personal computer (PC). It connects
peripheral devices such as digital cameras,
mice, keyboards, printers, scanners, media
devices, external hard drives and flash
drives.
WIFI
a facility allowing computers,
smartphones, or other devices
to connect to the Internet or
communicate with one
another wirelessly within a
particular area
Bluetooth
a standard for the short-range
wireless interconnection of
mobile phones, computers,
and other electronic devices
ADSL
a technology for transmitting digital information over
standard telephone lines which allows high-speed
transmission of signals from the telephone network to
an individual subscriber, but a slower rate of
transmission from the subscriber to the network.
VGA
videographics array, a
standard for defining colour
display screens for
computers
3G/4G wireless internet
the fourth generation of
broadband cellular network
technology, succeeding 3G. A
4G system must provide
capabilities defined by ITU in
IMT Advanced.
Used on mobile phones to connect to the internet
HDMI
HDMI is a proprietary audio/video
interface for transmitting
uncompressed video data and
compressed or uncompressed
digital audio data from an
HDMI-compliant source device
ethernet
a system for connecting a number of
computer systems to form a local area
network, with protocols to control the passing
of information and to avoid simultaneous
transmission by two or more systems.
Display port
DisplayPort is an interface for digital displays,
particularly computer monitors. It was developed
by the Video Electronics Standards Association
(VESA) as a high-performance replacement for
other display modes
Fibre optic
Parallel port
a connector for a device that
sends or receives several bits
of data simultaneously by
using more than one wire.