Some common wireless devices include internet connection, cashiers, barcode scanners and printers. Wireless internet connection enables the access to the internet and the business's database from anywere alowing for access to communicationa nd information from on site and out of office areas. Wireless cashiers enable a recording of outbound inventories and inbound sales revenue into the database. This produces efficiency within the business.
2. Describe the various types and general characteristics of wireless transmission media/technologies - microwave, satellite, infrared and radio waves.
Microwave technology is used for mobile phone communication and is a cheap form of transmitting and conecting devices. Satellite is used for lager scale communication and can transfer larger data across areas, this includes must medias . Infrared is used to transfer data over a short distance, previously commonly used by phones but was replaced by bluetooth. Radio waves was used to only transfer audio over a relatively large distance. Currently radio waves can carry internet data using the 3G network and can carry video, text and audio,
3. What is bluetooth/how is it used?
Bluetooth is a wireless communication device typically used for mobile phones. It runs on low energy and connects to a small geographical area. Bluetooth is also used to connect devices such as keyboards, wireless mice and external hardrives to a computer. Bluetooth is typically used for small short ranged devices.
4. What are WLAN's, Wi-Fi, WWAN's, 3G?
WLAN stands for Wireless Local Ares network. Wi-Fi is similar to WLAN but has a diferent protocol, IEEE 802.11. WWAN is the abbreviation of Wireless wide area network, which is a laptop or computer that is connected wirelessly to the internet using mobile-like technology. 3G is the International Mobile Telecommunication. 3G works similar to WWAN except it is specifiacally made for mobile technology.
5. What are the drivers of mobile computing and mobile commerce.
The drivers of mobile computing and mobile commerce is the growing dependence on mobile phones and the ability of collecting information from any location at any time. This flexibility with gathering information has caused an increase in mobile commerce due to the wireless environment and the culture of portable internet.
6. Explain the nature of RFID
RFID is the abbreviation of Radio frequency identification. It refers to how objects can be bar-coded and tagged for purpose of tracking and identification. An example is a RFID sticker placed on a retail item in a retail store. This can enable the shop keeper to keep track on the item if it is stolen, in stock or on the shelf.
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