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Using dual monitors refers to using two physical display devices to increase the viewing space running on a single computer. Dual and multiple monitor configurations are now supported by Microsoft Windows Operating Systems and Mac OS X.
Setting up dual monitors is easy. However, it requires that you add a second video card or to install a video card that can support a dual head or two separate physical outputs. The following instructions are for those...
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DVI (Digital Video Interface) is a video connector designed by the Digital Display Working Group (DDWG), aimed at maximizing the picture quality of digital display devices such as digital projectors and LCD screens. It is crafted for transporting uncompressed digital video information to a display screen. It is partly compatible with the High-Definition Multimedia Interface (HDMI) standard in digital mode (DVI-D), and VGA in analog mode (DVI-A). DVI Vs...
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The full form of QVGA is Quarter Video Graphics Array. It is also known as Quarter VGA in short. QVGA is a type of resolution whose dimensions are 320x240 pixels. The QVGA display is normally found in devices such as mobile phones and PDAs. The display is also common on other handheld devices such as game consoles. Resolution
Most of the time, the display is in the portrait layout as opposed to the landscape layout; they are also known as 240x320...
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LED stands for Light Emitting Diode. LED's are now found on almost every electronic device including MP3 players, DVD players, TV's, clock radios and computers. LED's have been popular for decades, however today they are cheaper, brighter and come in more colors than ever before. While the incandescent light bulb has been the light of choice for at least 100 years, many believe the LED will soon replace it. Here is how LED light bulbs...
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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...
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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...
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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...
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Tele-Immersion or the use of holographic environments is the next step to internet video conferencing. This technology aims to produce a computer-generated central environment in which participants from anywhere in the world can interact as if they are in the same room. This technology goes far beyond the current technological combination of telephony and internet by videoconferencing to exchange data.
Tele-Immersion will be able to address the...
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A touch screen is basically a display screen which can identify the occurrence and position of a touch inside the display region. The word normally refers to a touch or tap to the display of the gadget by a finger or hand. Touch screens can also identify added inactive objects, such as a stylus. However, if the object identified is active, as with a light pen, the phrase touch screen is normally irrelevant. The facility to interact directly with a 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...
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