This is the TV Phone.this technology is approximately like radio. it's use receiver to get the signal from the television.but this technology can used for phone, radio, mp3, camera, mp4, data storage.
An electronic kiosk (or computer kiosk or interactive kiosk) houses a computer terminal that often employs custom kiosk software is designed to help the user to get the information more easy. than the manual way.
Bluetooth is a standard and communications protocol primarily designed for low power consumption, with a short range (power-class-dependent: 1 meters, 10 meters, 100 meters) based on low-cost transceiver microchips in each device. The devices use a radio communications system, so they do not have to be in line of sight of each other, and can even be in other rooms, as long as the received transmission is powerful enough.
Personal digital assistants (PDAs). is a small computer. as we know a pocket computer. PDAs have many uses: calculations, use as a clock and calender, accessing the Internet, sending and receiving E-mails, video recording,typewriting and word processing , use as an address book, making and writing on spreadsheets, use as a radio or stereo playing, playing computer ganes, recording survey responses
