Monday, July 30, 2012

Can Computer Monitor Radiation Cause Cancer

Many computer users needlessly scare themselves about unwarranted fears that their monitors and computer hardware are slowly killing them. The truth, however, is that you will not contract cancer by being exposed to the radiation given off your computer monitor. Neither will you become infertile or suffer from any other debilitating or terminal disease.

Radiation is almost always associated with a negative connotation, but this thinking is based on low awareness. We are exposed to radiation everyday. By definition, radiation is any energy that travels from a source. Light, as well as heat and sound, are types of radiation. In fact, we get a generous serving of ultraviolet radiation every morning from the sun.

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Our computer monitors and other electronic devices with screens, such as televisions and mobile phones, give off a certain type of radiation known as electromagnetic radiation (EMR). If you care to know, the fluorescent light bulb emits more EMR than our computer screens.

Can Computer Monitor Radiation Cause Cancer

The idea that radiation from computer monitors can cause cancer dates back to the early 1990s when leading publications and journals disseminated poorly-researched studies that claimed this was the case. As you may well expect, a certain type of panic ensued among the masses. The public began to question not only the safety of computer hardware, but all the effects of other EMR-emitting devices.

To control the situation, carefully conducted research studies were conducted and the false claims were finally discredited. By that time, however, the computer myth that monitors cause cancer was firmly inculcated into many people's minds.

It is high time we bust this myth! EMR from your CRT or LCD monitor will not adversely affect our health. These computer hardware are harmless and should not be viewed in fear.

Sitting all day in front of your computer is not good for you for reasons other than cancer-causing radiation. Without exercise, you are predisposing yourself to health problems. In this way, your computer can be the death of you. But you will most certainly not die of EMR.

Can Computer Monitor Radiation Cause Cancer

Article was written by Jeffrey Frasco. Visit Computer Knowledge For You for information about Computer Components. Computer Knowledge For You also offers information about PC computer hardware, computer hardware tips, and a tutorial about how to build your own computer.

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Saturday, July 28, 2012

What is Mobile Computing?

Mobile computing refers to the use of small and portable computing devices in wireless enabled networks that provide wireless connections to a central main server. These devices include laptops, notebook PCs, tablet PCs, palmtops, personal digital assistant (PDAs) and other hand held devices. A radio-signaling device is installed inside these devices for receiving and transmitting electronic data.

Wireless networks use Wi-Fi(wireless fidelity) technology for providing network coverage to offices, public places, and other small workplaces. A wireless access point device is used to provide wire free network coverage in the designated area. An access point device that is built on 802.11b and 802.11g IEEE (Institute of Electrical and Electronics Engineers) standards transmits data at 2.4 GHz whereas devices that comply with 802.11a standards transmit at 5 GHz.

Mobile Computing

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WiMax (Wireless Interoperability for Microwave Access) technology represents the next generation of wireless networking and can transmit data up to a distance of forty-eight km. It can provide a maximum networking speed of seventy Mbps. It provides much better facilities than Wi-Fi such as higher bandwidth and high data security by using enhanced encryption schemes. It can provide service in both Line Of Sight (LOS) and Non-Line Of Sight (NLOS) locations, but range may vary accordingly. WiMax supports several communication protocols, and can act as the backbone network for an ISP(Internet service provider) as well as telecom service provider.

What is Mobile Computing?

Mobile computing devices can use any of these networks to access the Internet or connect to a LAN( local area network) or WAN(wide area network) server. They use networking software for adjusting device settings to suit specific network requirements.

Mobile computing has enabled users to remain connected while on the move. High end users can opt for satellite based networking which provides wireless connectivity anywhere in the world. However, this technology is costly and will take many years to become as affordable as Wi-Fi and WiMax.

What is Mobile Computing?

Mobile Computing provides detailed information on Mobile Computing, Mobile Computing Networks, Mobile Computing Solutions, Mobile Computing Devices and more. Mobile Computing is affiliated with Womens Laptop Cases.

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