Things To Know About Wireless Laptop Computers
With rapidly developing communication technologies and with the world becoming a global village, a growing usage of wireless laptop computers has been noticed. Nowadays people travel a lot. Travel can be both for business as well as pleasure purposes. Wireless laptop computers fulfill the needs for access to wireless local area network (WLAN) or internet of these travelers. Wireless laptop computers also fulfill the needs of those who prefer working on the move.
Wireless laptops are portable and lightweight. They can be easily carried around and provide convenient wireless access. However, they can do so only with in a designated area. These designated areas are called hot-spots. Within a hot-spot zone, you can access a WLAN or the internet from anywhere, without plugging into the network. This is made possible by the use of a wireless network card adapter that comes as a standard hardware feature in almost all new laptops. If a laptop does not have one, a wireless network card can be added to it as an add-on.
Wireless laptop computers have revolutionized the way we communicate and transfer data. These wireless laptops work in a manner almost similar to computers in a conventional local area network. The only difference is that wires and cables are not involved in such an arrangement. Signals are transmitted and received using technology like the 802.11a, b and g standards and 3G-EVDO technology. A wireless laptop computer connects to the wireless network using access points. The access point is basically a hub that allows more than one device to connect to the wireless laptop.
Wireless technology has come as a great addition to our life. It has made many tasks easier and also has led to a beautification of our surroundings. No longer can we see wires dangling from poles or occupying huge spaces inside our houses and other buildings, thereby liberating a lot of space. But the best advantage they have provided to us through an arrangement such as a wireless laptop computer is that we can enjoy true mobility while working in a computerized environment. Earlier, computers connected to a network or the internet could not be shifted easily from one place to another. But now it has become possible to do the same. However, such mobility comes at some costs. The best part is that we can stop paying these costs as well. We are talking about security. Wireless connections are established through radio waves. Somebody with the right kind of equipment can access the data or communication transfer taking place on a wireless network and can cause us losses. But this can now be stopped with the help of address filtering techniques such as Media Access Control (MAC) and Wireless Encryption Protocol (WEP).
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