ppt on WIFI
- 2. A ROUTER IS A NETWORKING DEVICE THAT FORWARDS DATA PACKETS BETWEEEN COMPUTER NETWORKS. A ROUTER IS CONNECTED TO TWO OR MORE DATA LINES FROM ONE SINGLE NETWORK. WHEN A DATA PACKETS COME IN ON ONE OF THE LINES, ROUTER READS THE INFORMATION IN THE PACKET TO DETERMINE ITS ULTIMATE DESTINATION
- 3. WI-FI i.e. wireless fidelity is wireless technology that uses radio frequency to transmit data through the air Wi-Fi (wireless technology) is an alternative to Technology , which is commonly used ,for connecting devices in wireless using radio waves
- 4. Back in 1991 wi-fi was invented by NCR Coporation in Netherlands. The first wireless products were brought on the market under the name WaveLan with speeds of 1mbs/2Mbs Vic Hayes who is the inventor of wifi has been named “father of wi-fi”
- 5. WI-FI TECHNOLOGY USES RADIO SINGNALS TO TRANSMIT DATA JUST LIKE OUR OLD RADIO SETS, TVS AND WALKIE-TALKIES. THE WIRELESS ADAPTER OF THE DEVICE TRANSLATES DIGITAL DATA TO RADIO SIGNALS SIGINAL ARE THEN TRANSMITTED OVER THE ANTENNA ROUTER RECIEVES THE SIGNAL AND DECODES THEM.
- 10. No Wires-A truly wireless networking solution. No Waiting- Fast, easy, deployments. No Worries-A wireless networking system that is secure, easy to manage, and built to grow with you. Ease of installation – Quick, easy setup. Fast data transfer rates.
- 12. SPEED - Slower than cable Range –Affected by various medium. Travels best through open space. Reduced by walls ,glass ,water , etc. Security-Greater exposure to risks. Unauthorized access. Compromising data. Denial of service.
- 13. Limited range Data security risks: a huge challenge for Wi-Fi networks. Interference from other devices: such as telephones, microwave ovens. High power consumption: making battery life and heat a concern.