data transmission technology

data transmission technology

1. usb (universal serial bus)

   • both transmits and receives data
   • can be used to provide power to devices
   • widely used to connect peripheral devices

2. bluetooth

   • wireless method to connect mice and wireless keyboards as well as audio devices
   • range of 100 metres

3. VGA, HDMI and Display port

   • video interconnects that permit connection of some form of visual display, such as an LCD monitor, projector or TV
   • HDMI also facilitates the transmission of digital sound and is becoming the standard

4. parallel

   • old technology used to connect printers over short distances

5. serial

   • used for communication devices such as modems
   • used to connect accessibility devices and to create console systems for commercial internet routers

6. wifi

   • a system that enables connection over the internet between wireless internet enabled devices

7. ADSL

   • method of archiving digital information by merging many libraries with different digital data types into one large system accessible by all users

8. 3G/4G wireless internet

   • transfer data to and from a smartphone using cellular data
   • uses the same network provided by the cell towers that allow you to make phone calls

9. ethernet

   • a system to connect computer system to form a local area network, with protocols to control the passing of information

10. fibre optic

    • thin flexible fibres with a glass core through which light signals can be sent with little loss of strength
      • increased broadband speed and reduced latency

11. network interface card (NIC)

    • a circuit board or card installed in a computer so that it can be connected to a network