VGA ( Video Graphics Array)

VGA (Video Graphics Array) is a hardware that serves to produce a visual display of your computer. and almost all programs produce visual output, VGA card is the hardware that gives commands to the monitor to display visual output that we can see. if the VGA is not on the CPU then it will not appear on the screen. VGA card itself there is an additional slot or a congenital form of the motherboard manufacturer or also called VGA on board. Among other parts of memory and a cooling fan. Same function, which displays text and images to the monitor, just different colors and designs, depending on the manufacturing side. The fan needed to cool the hot components of the VGA card, because this part is working pretty hard all the time. there are currently some of the best VGA cooler. starting from Cooler ATI 4870, ATI Radeon, and much more
Hardware, usually in the form of expansion cards, which generate two-dimensional image or three dimensions on a monitor screen. As one important part of your PC (other than the CPU), graphics card the binary ones and zeros of computing into the images that we can interact with it through the monitor screen. In other words, we can not use a computer in a different way this far without the help of graphics technology.
The image you see on the monitor takes a complex route from the PC. When you run an application wants to create an image, it sends a request for help on the part of the operating system that connects to the graphics card (called a graphics driver interface). In response, the graphics driver - software that acts as an intermediary for the OS (operating system / operating system) and graphics card - listen to instructions from either the OS or the application, then take the necessary digital data and converts it into a format understood by the tersebut.Kemudian graphics card, driver of the new digital channel formatted data to the graphics for rendering. If you have a PC that was made over in 1998, the data goes to the card through a slot on the motherboard called AGP (Accelerated Graphics Port / accelerated graphics port). PC has no AGP slot is usually used as a standard PCI slot graphics card port mereka.Pemberhentian first data, once pumped into the card, is a temporary storage space in memory, either in memory on the card itself or the system memory. Then the graphics card processor, called GPU (graphics processing units), convert the digital data into pixels, a set of colored dots that make up the image you see on the screen. Volume of pixels produced by the board is very much: When your screen resolution set to 1024 by 768, the graphics card calculates the color was right for her, and generate data for as many as 786 432 pixels to draw on the screen and repeat this process as much as 30 to 90 times per second.
Important things to note:
Graphics card can handle all the 2D and 3D calculations and rendering, and took over the heavy weight of the CPU. Top quality graphics card costs about U.S. $ 300, though half you can find any other 3D graphics card is fast enough. Improve the performance of the latest graphics chipset graphics card, and vendors release a new chipset from 6 to 12 months. Almost all modern graphics cards using the AGP slot (Accelerated Graphics Port) on your PC and have at least 16MB of memory. Only the latest 3D games and CAD (computer-aided design) class high-end that really make full use of the latest graphics card capabilities.