| The sequence of images that are displayed on | | | | 8GB capacity you are buying yourself the |
| the monitor are constituted by millions of dots | | | | powerhouse of image processing. It is a printed |
| called pixels. Even at the common resolution the | | | | circuit just like a motherboard housing a processor |
| monitor has to display millions of pixels and the | | | | and a RAM. The processor of the graphics card is |
| computer has to decide what it has to do with | | | | called the graphics processing unit (GPU), which is |
| each and every pixel. For this to happen the | | | | analogous to the CPU of the computer, is the |
| computer needs as translator, something that | | | | brain of the graphics card. But the difference lies |
| converts the CPU's binary input into picture | | | | design of the GPU which is designed for |
| perceptible to the human eye. Usually this | | | | performing complex mathematical and geometric |
| translations takes place in the graphics card. The | | | | calculations for the purpose of graphics rendering. |
| job of a graphics card maybe complex but its | | | | The images created by the GPU needs to be |
| principles and components are easy to understand. | | | | stored somewhere. The card's RAM is used for |
| When you buy a SDHC video card of 8GB | | | | this purpose. When you buy SDHC video card |
| storage capacity you are buying a card that has | | | | 8GB it mean the video card has a RAM memory |
| the capability to store images or graphics up to | | | | of 8GB and can hold images and information up to |
| size of 8GB in the buffer this improves the quality | | | | the size of 8GB. RAMDAC's are to be used when |
| of the image output produced by the computer | | | | output is to be sent to more than one monitor. |
| monitor. When you buy a SDHC video card of | | | | |