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LCD (Liquid Crystal Display)

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An LCD or Liquid Crystal Display is a flat, thin display device consisting of any number of pixels aligned in front of a reflector or source of light. The LCD has been widely hailed as a prized invention as it is relatively cheap and it consumes less power to function than competing techologies, making it almost indespensable in battery powered electronic devices. Types of LCDs LCDs are broadly classified as either transmissive or reflective, depending upon the position of their source of light. A transmissive LCD is illuminated by a Read More

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FLV Files

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Over the last couple of years video has become a staple of the internet. Not only have computers become more powerful and equipped to handle video images, but many websites now rely on video as either a source of entertainment or a way to transmit information. One of the most popular video files found on the Internet is called FLV. FLV stands for Flash Video. It should be noted that Flash Video is a proprietary file that was created by Macromedia, now under Adobe. Flash files are commonly used all Read More

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3D Accelerator

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The 3D Accelerator is a type of graphics board that can be installed into a computer. A person who does so would be installing this board to speed up the time it takes for their machine to load and create images on the monitor of their computer. Because it incorporates its own board to function, 3D Accelerators are often known as individual computers themselves. But the most important thing to remember is that the Accelerator's sole purpose is to better create three-dimensional images on a person's computer screen. How a Read More

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How to Repair an MPEG

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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

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Component Video

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A Component Video Signal is basically a video signal that is split into two or more components in order to transmit the information. Component video offers better picture quality than composite video. Three cables are required for transmitting the information and three RCA or co-axial jack forms the interface of the component video which is one of the high-end video interfaces being offered in today's equipments. Audio data is not carried by the component video cables and so, additional audio cables are required. Component video is capable of carrying the Read More

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Wireless Video Interceptor

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Have you ever wondered how some wireless video camera recordings leaked through the Internet when virtually no one ever touched the device itself? Technology has ushered the use of video and audio interceptors alike to intercept just any type of wireless video-audio cameras in your immediate neighborhood, just in the turn of a dial. Using a Wireless Video Interceptor A wireless video interceptor is used by law enforcement agencies in order to determine if a specific location is being monitored through wireless intercepting devices present nearby. Such a device is Read More

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CRT (Cathode Ray Tube)

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The CRT (Cathode Ray Tube), is the vital component in most computer monitors and televisions. It is responsible for the images that we see in monitors and television sets. How a CRT Works The main component of a CRT is the picture tube. The tube is wide at the front and narrows at the rear end. The shape at the rear end can be compared to a bottle neck. The rear end consists of a negative charged filament, which is known as cathode. The filament is enclosed in a vacuum Read More

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DisplayPort

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DisplayPort is the new digital display interface standard. It has been recently approved (5/2006) by VESA and will be hitting the markets in 2008. For most computer users, the fairly big and bulky VGA port is familiar. While the VGA port has been extremely reliable and has delivered competent performance, the new standard – the Display Port – is considered to be quite an upgrade from traditional VGA ports and is on par with HDMI. The DisplayPort will be mainly manufactured by large computer makers to send video, as well Read More

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Composite Video

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A Composite Video is analog television signal's format before a sound signal is combined with it and modulated onto an RF carrier. It is the most common type of video interface that is used for receiving and sending an analog video signal to and from a television set. A CVBS (Composite Video with Burst and Sync) is usually used to designate a composite video and CVBS. Modulating the proper RF carrier frequency with composite video allows the composite video to be easily directed to any available broadcast channel. For most Read More

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Computer Privacy Screen

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Computer privacy screens, sometimes called computer privacy filters offers added security by making any image on the screen visible only to the computer user sitting directly in front of the image. Other angles that are not in direct view of the screen are distorted or blacked out completely. Types of Computer Privacy Screens There are three main types of computer privacy screens, they include; CRT (cathode ray tube) monitor privacy screens, LCD monitor privacy screens and laptop monitor privacy screens. Computer Privacy Screens Fabric and Installation In general, computer privacy Read More

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