Graphics Cards from the beginning to the infinite

Introduction :-

Graphics Cards also referred to as a vedio cards ,graphics accelerator card, display adapter.the functions of these cards are generate and output images to a display.Some video cards offer added functions, such as video capture, TV tuner adapter, MPEG-2 and MPEG-4 decoding or even FireWire, mouse, light pen, joystick connectors, or even the ability to connect multiple monitors.

Components of Graphics Cards :-

video card consists of a printed circuit board on which the components are

mounted. These include:-

1- Graphics processing unit (GPU)

it is the mind of vedio cards.

2- Video memory

it is the part that store any data for vedio cards.

3- Video BIOS

The video BIOS or firmware contains the basic program that governs the video card's operations and provides the instructions that allow the computer and software to interface with the card.

4- RAMDAC

Random Access Memory Digital-to-Analog Converter. RAMDAC takes responsibility for turning the digital signals produced by the computer processor into an analog signal which can be understood by the computer display.