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Cell phones have become commonplace communication tools in modern society, with some users even replacing their landlines with the portable phones. Though modern cell phones feature a wide variety of different add-ons and functions, at the heart of the technology is a simple two-way radio system. The infrastructure that manages and encrypts this two-way communication is what makes cellular telephony the successful communication technology it is today. Writer Bio

When you’re stuck with only a printout of a long document and need to make changes, retyping the entire file can waste hours. If you have either a scanner or a microphone, however, a few alternatives become available. With a scanner, an optical character recognition utility can convert a scan into an editable file. With a mic, your computer can take dictation. Although far faster than typing, neither method works perfectly, so always check your document for errors before sending it off....

If someone on your Netgear network can access your router, she can also can log in to the settings and add and remove IPs from the firewall list. The Roblox gaming website might be one of the site IPs being blocked through the Netgear firewall. To unblock the Roblox website, you must access your router’s firewall. Writer Bio

Wireless networking has become a staple of computing in the 21st century, with laptop and desktop users alike cutting the cables between computer and router. As wireless networking proliferates, though, owners of some older machines may feel left out of the wireless revolution. With a simple and inexpensive adapter, though, virtually any computer can be wireless-networking enabled.

Microsoft Word is a word processing program that is sold with Microsoft Office. Portable document format (PDF) is a universal type of file that can be read universally across every computer platform. Adding a PDF file to a Word file is a simple task that inserts the PDF file into your document as an image. This is a particularly handy feature when building reports that involve PDF files.

After connecting the Samsung monitor to your computer, you can adjust the stand, creating the best ergonomics for you. Stands swivel and slide and there’s also a tilt angle. The best ergonomic position for any monitor is the top of the monitor should be at eye height–your eyes should be horizontally at the same level as the top bezel when you are sitting upright. Writer Bio

Privacy is a privilege of advanced civilizations. It’s easy to take privacy for granted, but in today’s evolving digital world, it’s advantageous to be aware of your privacy, and to protect it every chance you get. One way to protect your privacy is by blocking outgoing calls. By entering a special code before you dial any number, you’ll keep your phone number and name from appearing on the recipient’s Caller ID....

Sign in to the Tumblr website. Click “Customize” to open up the Customize panel. Select “Edit HTML” to access the raw HTML code that powers your Tumblr theme. Press “Ctrl-F” to open the Find panel, and type “<body” (without quotes) into the box. Press “Enter” to locate your theme’s body tag. Type a space after the word “body” but before the tag’s closing bracket and then enter the text ‘oncontextmenu=“return false”’ (without the single quotes but including the double quotes)....

A 6x9 car speaker is a versatile car audio machine. The cone is large enough for solid bass, while the tweeters provide clear highs. If you have a vehicle that lacks space for speaker installations or upgrades, adding 6x9 speakers – mounted in boxes – will step up your speaker performance. You can build sturdy and serviceable speaker boxes with basic tools and materials. Writer Bio

Burning a digital copy such as an MPG or AVI file to a DVD is easy and requires basic DVD authoring software. Learning to burn a digital video file to a DVD is useful for downloading movies and watching them on TV. It’s also great for watching your own home movies on TV. Writer Bio

In power supply systems based on alternating current (AC) – such as the main power distribution network from electric utilities – non-linear loads can feed some amount of power back into the wiring. This feedback typically occurs in the form of harmonics: multiples of the frequency of the original AC wave. Harmonics need to be eliminated from a power circuit by a harmonic filter to prevent them from causing voltage distortions and excessive currents in grounding connections....

Calibrating the antenna to your Citizen Band radio is needed to get the maximum performance out of your CB. To calibrate your antenna you will need to use an Standing Wave Radio to get a read on your “Reflected Power” and know how to adjust your antenna. Higher frequencies will need a longer antenna and lower frequencies need a shorter antenna. To properly calibrate your antenna you will need to find the balance for your lower frequencies and the higher ones....

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Your Samsung television’s picture normally fills its entire screen. You need to change the position of a picture only when you have zoomed into or out of it. If you have done so using Samsung’s Picture Options menu, you can manually move the picture in any direction. If you have zoomed into the picture, you can move it so that you view the center of the image. If you have zoomed out of the picture, you can move it so the image appears in the center of the screen....

VBA (Visual Basic for Applications) is a programming tool integrated into Excel, Word and the other Microsoft Office programs. VBA lets you use Visual Basic coding to change your document and add extra features, such as running repetitive tasks automatically. You probably don’t want any other user to be able to directly modify your code, which may cause serious problems with your documents. To keep your code safe, the Visual Basic editor gives you the option to create and change a VBA password....

PS2 is an older mouse and keyboard connector format that is slowly being phased out in favor of the newer USB connector. The PS2 connector has a unique design: a round plug with 4 or 6 metal pins inside. A USB connector is rectangular and has metal plates that make a contact when the connector is plugged in. The only way to convert a PS2 mouse to USB is to use a converter plug....

A blog name helps to define the blog; it gives users an idea of the type of content that the blog publishes. Wordpress is a free, open-source web publishing application that allows users to maintain a self-hosted blogs on their own domain or hosted blogs on the Wordpress.com domain. Users define a blog name during the Wordpress setup process, but this name can easily be changed later by accessing the blog’s settings....