Wireless, Mobile Computing & Mobile Commerce (Alvita-Lulu-Crystalyca)

123456789101112131415161718192021
Across
  1. 3. when users carry an open mobile device, they can be reached instantly, even across great distances.
  2. 8. Salah satu komponen dari Medium-Range Wireless Networks (4 huruf)
  3. 10. Location-based mobile commerce
  4. 14. the wireless transmission and receipt of data gathered from remote sensors.
  5. 18. sensors that collect data from many points over an extended space. They contain processing, storage, and radio-frequency sensors and antennas. Each mote “wakes up” or activates for a fraction of a second when it has data to transmit. It then relays those data to its nearest neighbor. An advantage of a wireless sensor network is that if one mote fails, then another one can pick up the data.
  6. 20. A typical bar code made up of 12 digits that are batched in various groups. The first digit identifies the item type, the next five digits identify the manufacturer, and the next five identify the product. The last digit is a check digit for error detection.
  7. 21. enable cardholders to make purchases with a single click from their mobile devices.
Down
  1. 1. singkatan dari Medium-Earth-Orbit
  2. 2. the act of locating WLANs while driving (or walking) around a city or elsewhere.
  3. 4. tags have embedded microchips, which contain data, and antennas to transmit radio signals over a short distance to RFID readers including information that uniquely identifies an item (location and when it was made). QR code: a two-dimensional code, readable by dedicated QR readers and camera phones
  4. 5. means that users carry a device with them and can initiate a real-time contact with other systems from wherever they happen to be
  5. 6. Mobile Computing For Employee Support:depan nya "D" belakang nya "S"
  6. 7. very small purchase amounts (generally less than $10) are called micropayments
  7. 9. a scenario in which objects, animals, and people are provided with unique identifiers and the ability to automatically transfer data over a network without requiring human-to-human or human-to-computer interaction.
  8. 11. there is Two Basic Types of RFID Tags,tags rely entirely on readers for their power, less expensive than active tags, and can be read only up to 20 feet.
  9. 12. The price of wireless devices is declining and will continue to decline
  10. 13. Accessing Information by voice
  11. 15. efforts by unauthorized users to access data that are traveling over wireless networks.
  12. 16. singkatan dari Geostationary-Earth-Orbit
  13. 17. networks of interconnected, battery powered, wireless sensors called motes that are placed into the physical environment.
  14. 19. a two-dimensional code, readable by dedicated QR readers and camera phones