Definition VGA Card

as we know Vga card is a hardware device that is essential for the computers that we have?according to my own VGA card to his ituh to display images to the screen in VGA ituh speak their own?beberpah certain types of vga speak it was like there was a 256 MHz speed up to 1024 more depending on what we want right?
Definition VGA is an analog interface to the graphics card that is commonly used to connect the computer to a monitor that uses 15-pin plug and socket. VGA standard was originally developed by IBM in 1987 and allows for a screen resolution of 640 × 480 pixels. Since then, many revisions of the standard has been introduced.
VGA stands for Video Graphics Accelerator, serves to process data and graphics displayed on a monitor,

VGA also has a processor called a GPU (Graphics Processing Unit) and requires memory as well.
Nowadays banayk motherboard on the market that use onboard VGA so you do not need to buy a VGA card again, this is very helpful to save costs.the difference between VGA OB (On Board) with a separate VGA motherboard are as follows:OB-VGA does not have its own memory, so use some OB VGA RAM capacity is in the computer for work, so that would make the performance of RAM to be slow, but now some motherboard manufacturers have launched a motherboard with VGA OB and has its own memory.
OB-VGA has lower performance when compared to an external VGA, but if your computer is not too used to playing games, especially the latest 3d games that require larger capacity VGA then you can still menganalkan VGA OB you have, now many motherboards with OB VGA that can match and even surpass the performance of an external VGA
OB-shaped smaller VGA to VGA external, it aims to save the cost of manufacture, small size is commonly called the microATX (mATX)

 VGA Types:
A. Onboard VGA (VGA is already integrated with the motherboard)2. PCI VGA (VGA Card The old version with a capacity of about 1-32 MB)3. VGA AGP (Accelerated Graphics Port) which is attached to the VGA AGP slot4. PCI Express VGA (VGA is the newest and fastest time)