Wireless Networks:
A wireless network is a computer or telephone network that connects users using radio waves. Wireless networks are the fastest growing networks and do not require wires to make the connection.
These applications can be found in mobiles, notebook computers, personal digital assistants (PDAs), which are some of the fast growing technologies in the computer and telecommunications industry today
Wireless networks have many uses, especially with the growing need for portable offices. With the help of wireless networks, people send and receive mails, make phone calls, access documents, etc., at any time or from anywhere.
Wireless networks use three major technologies:
- Wireless Application Protocol (WAP)
- Short Messaging Service (SMS)
- Global System for Mobile (GSM)
WAP is an international standard for wireless communication applications. It is a special protocol that allows mobiles to connect to the Internet. This standard allows access to the Internet from a mobile phone or a PDA.
SMS is a service available on mobile phones and other such devices (like pocket PCs) that facilitates the sending short messages to others. Generally, SMS allows users to send text messages that are up to 160 characters long to mobile phones.
GSM is a standard for mobile phones that makes international roaming possible. It is the most widely used mobile telephone protocol worldwide and enables the subscribers to use their phones in various parts of the world.
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