2006-09-06 02:41:20 · 3 answers · asked by kamal d 1 in Computers & Internet ➔ Internet
A wireless device uses either a radio or infra-red emitter to send signals to another device. Some examples are a TV's remote control and WiFi Internet hubs for computers. No wires are used to carry the information from one device to another.
There are many ways that a signal can be impressed onto the radio or infra-red carrier, such as amplitude modulation (AM), frequency modulation (FM), pulse-code modulation (PCM) and coded orthogonal frequency division multiplexing (COFDM). These are just a few of many wireless modulation schemes in use in various products.
2006-09-06 02:52:35 · answer #1 · answered by pvreditor 7 · 0⤊ 0⤋
Wireless: without wires.
2006-09-06 02:44:59 · answer #2 · answered by Anonymous · 0⤊ 0⤋
transmit through electro magneticsignals
2006-09-06 02:47:29 · answer #3 · answered by madhu_ase 1 · 0⤊ 0⤋