A Projector is an optical instrument that is used to project a picture on a blank screen with the help of reflection or as done by a lantern. Basically, it enlarges and reflects an object. This is done with the help of lenses, prism and mirror that is used as a reflector. Apart from other requirements, a bright light is a must for the best outcome of the image. The very first concept of projection was used in 1646 by a German priest, Athanasius Kircher. He used to project the Read More

Multifunction printers have copy, fax, scan and printing capabilities all built into one piece of hardware. They are also called All-In-One printers. Multifunction printers are not much bigger than regular desktop printers. They can potentially replace up to four other machines: printer, scanner, photocopier, and fax. Multifunction printers are also kept as backup in case other machines fail. Multifunction printers have many advantages, but they also have some drawbacks. The ink cartridges are expensive, and the resolution of the printer and scanner is relatively poor. This is especially true for Read More

Recording video games requires the installation of software that can record while you play. One of the best free pieces of software available for this is called WeGame. It allows whatever video game footage that is on the television to be immediately recorded and saved onto the computer for future use. This is how many people are able to take the video game footage and put it onto sites such as YouTube. The use of WeGame is very simple. Download the software from the website provided above and then install Read More

GPRS (General Packet Radio Service) is a specification for data transfer on TDMA and GSM networks. GPRS utilizes up to eight 9.05Kb or 13.4Kb TDMA timeslots, for a total bandwidth of 72.4Kb or 107.2Kb. GPRS supports both TCP/IP and X.25 communications. Fixed/Mobile Mobile Circuit/Packet Packet Max Bandwidth 107.2Kb Range Coverage area of host network Frequency Frequency of host network Host Network TDMA, GSM Definer ETSI The Future of GPRS EDGE (Enhanced Data-Rates for GSM Evolution) enabled GSM networks are able to implement EGPRS (Enhanced General Packet Radio Service), an enhanced Read More

Windows Hotkeys are computer keys that are used as shortcuts. They can make it easier to use a computer because they minimize mouse use. The Windows logo key by itself opens or closes the Start Menu and the Windows logo key combined with other keys control many Windows functions. For example, pressing Win + M minimizes all windows.   There are a few simple steps for disabling Windows Hotkeys. Before doing so, read the following important note because disabling Windows Hotkeys has potential risks.   Important Note: System Restore Point Read More

A Firefox Toolbar can be any toolbar within Mozilla Firefox, whether it is a default toolbar provided by Firefox or an add-on provided by third-party extensions. Firefox currently has five default toolbars that can be turned on and off at any time: the Menu Bar, the Tab Strip, the Navigation Toolbar, the Bookmarks Toolbar, and the Add-On Bar. The Menu bar displays the basic menus that are available from almost all browsers and user interfaces, such as File, Open, Edit, Help, etc. The Tab Strip displays the tabs that the Read More

The most common type of insulation that is thought of is thermal insulation. This is the type of insulation you would find in most buildings and homes. It is designed to lower the transfer of heat between the inside of a building and the outside environment. It allows a building to retain its heat during the winter months while still keeping it relatively cool inside during the hot summer months. While there is no substance that can totally stop the transfer of heat between one area and another, there are Read More

A pressure transmitter or pressure sensor is a device that measures pressure in a liquid, fluid, or gas. Pressure transmitters are commonly used to measure pressure inside of industrial machinery in order to alert the user before a catastrophe occurs. They have many different uses, most of which are industrial or automotive in nature. A pressure transmitter is easily recognized as it is a round gauge with various colors that represent different pressure levels. While pressure transmitters are similar to other gauges, they are essential to many of the applications Read More

How to repair an MPEG should be analyzed from the point of what is an MPEG. Keep in mind that there is no way in which we can successfully talk of repairing an MPEG without first giving a clue of what the MPEG is all about. The word MPEG is a synonym for Motion Picture Experts Group. This is an association created in 1988 to build up principles governing the production and usage of audio and visual configurations. How do you repair an MPEG? The problem of repairing an MPEG Read More

Lasers have revolutionized the way that many devices and machinery work. From CD players to machines that cut metal, lasers play an important part in many daily activities, right under the noses of unaware consumers. Lasers are used in dental drills, tattoo removal, hair replacement, eye surgery, and there is now even a method of using laser beams to create rain. While some lasers are harmless, others are extremely dangerous and not all lasers are the same. However, all lasers work in pretty much the same way. This article will Read More