Computer Spot

There’s always something to spoil your free fun. The one fun thing that’s available for free – a public Wi-Fi network at a coffee shop or a train station – that you’ve always enjoyed making use of, the spoilsports have to always warn you about it.

Everyone has to tell you that these things aren’t safe and that there can be all kinds of malware that the jump from one computer to the next over such a network.

Not only do people just idly browse the Internet when on a public Wi-Fi network, they even do stuff that’s supposed to be private or personal – their banking, buying stuff over the Internet, their taxes.

Now no one’s going to ever listen to advice on how they are never to do this. If something seems harmless on the surface, people are going to do it no matter what.

So here are a few tips on how best to secure yourself if you do find yourself unable to resist the temptation of the public Wi-Fi network.

There are nearly 100,000 free Wi-Fi hotspots around the country. When you do anything on such a network, your laptop sends out a wireless signal with all of that data right there.

Both the router that enables the hotspot and any spying person can pick up that signal. Coffee shops could provide an encrypted signal; but that would mean having to help customers connect; and no coffee shop wants to be burdened with tech support. So basically, hotspots offer no security whatsoever. Read the rest of this entry →

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Talk of 4G networks has been heard for a while, and like the upgrade from 2G to 3G networks, promises to bring a whole host of new features. Recently, one of the major cell phone network companies-T-Mobile, has announced the launch of the countries largest 4G network, but is it really?

The fact is that no one currently has a nationwide 4G network, despite claiming that they do. Like all previous networking standards, the 4G network standard has been decided on an international level by a body called the International Telecommunication Union. This body has discussed, in conjunction with major carriers and technology developers the requirements and standards that a 4G device or network should meet.

Currently, even the fastest of the networks in operation does not meet the 4G standard, and that includes the network labeled as 4G by T-Mobile. Though the upgrade that they have implemented gives increased speed and other features, it will not give as many benefits as it should. Read the rest of this entry →

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The most common networking was and continues to be the wired network; however the popularity of this is waning.  On the other hand, the popularity of wireless networking is on the rise simply because of the comfort it provides its users.

There is not much difference in the way a wireless and a wired network work. It is in the way the signals are carried from one point to the other that they differ.

In case of a wired network the signal is transmitted over the wire as an RF signal. In the case of a wireless network, the signal is transferred to the destination as an RF signal transmitted over the air.

As the ease of wireless networking increases, its popularity will keep growing. Read the rest of this entry →

Internet is a network system of computer networks, wherein users from any computer, if they have permissions, can get information from other computers.

It provides connectivity between computers through hardware and software infrastructure.

Internet has various services such as electronic mail (e-mail), online chat, online gaming, file transfer or sharing, video streaming, and interlinked hypertext documents.

Benefits of the Internet

1. Provides faster communication channel like e-mail, instant messaging, file transfer and file sharing.  With this, users will be able to communicate effectively and can save time and effort.
2. Provides latest news and online references.  Most of the newspapers today are now online.  Users can browse the internet web sites to read the latest news, research on online encyclopedias, and join forums to learn new things from other people.  With this, accessing information is faster.
3. Provides entertainment like uploaded movies, movie guides, video streaming, and music downloads.  Users can now listen to online radio stations and download the songs they want.
4. Provides commerce services like online shopping, travel bargains, plane schedules, and buy and sell.  With ecommerce, users can buy items online by just using their credit card or any form of bank transactions and without the need to go to the mall.  They can just wait for the items to be delivered on their doorstep.
5. Provides jobs to people who want to make money online like buy and sell services, blogs and web design.

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Bluetooth technology offers three different types of defined ranges, based on output ranges.

• Class 1 devices are the most powerful, as they can have up to 100 mW of power, with a regular antenna giving them a range of around 130 – 330 feet.
• Class 2 devices are lower power, offering up to 2.5 mW of power. A regular antenna will give them a range of around 50 – 100 feet.
• Class 3 devices use even less power, up to 1 mW of power to be exact. With a regular antenna, they will have a range of around 16 – 33 feet.

Even though you may not realize it, Bluetooth wireless technology has never been intended for anything other than short distance types of communication. With Bluetooth wireless, the short range is actually a benefit. Read the rest of this entry →

Major companies and necessary clients are utilizing wireless networks on a daily basis. Currently, what do you require to install the wireless network? We will think we have a couple of PCs devoid of any wireless tools.

Now, to install the wireless system you require the following:

• Broadband or the ADSL connection
• A wireless router
• A wireless NIC for each PC
• Cords and all the tools, which available our modem & the router
• And patience is so important

Read the rest of this entry →

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When you make use of Internet, your PC becomes the part of global network of numerous data exchanging computers.

This is the common situation in case of the home computers; the unquestionable fact is that nowadays computer based businesses can hardly survive if they are ‘wired’ jointly in work surroundings.

Networking with other PCs, users can exchange information as well as update data on ongoing basis. The computer networking is a complex issue, and companies with perfect understanding of fundamentals can be relied with on only with this task. Read the rest of this entry →

When you talk about the computer network protection, you may imagine a keeping a watch on your computers is important.

In fact, PC network protection is matter of security, which prevents hackers from getting access over your PC or the network.

Finding offers reports when someone tries to enter into your network, if they were effectively get access of your network then you can understand which inference they have created in your systems. Read the rest of this entry →