The computer's ability to produce moving images an particularly detailed moving image would be limited without a graphics card. It performs Mathematical operations which results in drawing designs, making sounds in injunction with software applications.
The information sent to the graphics card deermins how the pixels on the computer screen will create the image. That information is the sent via the cable to the monitor. All this before you see a thing!
Gaming graphics cards are also known as video cards except they are responsible for producing images for video games. These cards have a processing unit, memory, and has connections to a display device. The main function of a gaming graphics card is to enhance the quality of the video image. This is the reason that today's video games are so detailed. A high quality gaming graphics card is needed if the graphics of the game are high quality and project 3D images. A gaming graphics card works just like a motherboard does on the hard drive of the computer. It has a central processing unit and hooks into a dedicated port such as an Accelerated Graphics Port and a Peripheral Interconnect Express port. Some gaming graphics cards come with a cooling feature and fan just like a hard drive has. The great thing is that there are all kinds of gaming graphics cards that are out on the market and they are usually designed to the type of gaming that is intended by the user.