Flashcards
Data Exchange
Cards in this deck (4)
- 1VOIPVOIP sends multimedia communication across the internet. Any device that has a microphone or speakers can transmit and recieve voice communication using this system, also if the device has a webcam, it can also transmit video and sound at the same time, using a service such as Skype.
- 2VOIP - CodecVOIP uses a software which mainly encodes and decodes data, also known as a 'codec'. This program is used,
where necessary, to digitise an analogue voice signal, then compress it and split it into internet packets for transmission. It then performs the reverse at the receiving end. - 3Wireless NetworksWireless networks are another means of connecting to the internet and transfer data. To connect to the signal, you must have a wireless interface network card integrated into your device.
- 4Parallel TransmissionParallel Transmission, 8 bits or multiples of 8 are sent at once through a cable. It has an absolute maximum range of 5 metres. A use of this is printer cables.
8 bits = 1 byte
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- Flashcards on Data Exchange, created by magreath on 28/11/2014.
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- magreath
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