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video card presentation


Maison Sothi

on 28 February 2014

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Transcript of video card presentation

What is this?
A video card is used to display an output of what you see on your monitor
In 1981 IBM released the first video card
Product History
How does it work?
The Voodoo2 was released in 1998. The Voodoo2 required a separate onboard 2D Video card for non 3D Gaming. The image quality passed the Voodoo by far. It had higher resolutions (1024x768). It had multitexturing support, resulting in four times better performance if supported.
History Of Video Cards (Yet Again Continued)
In 1995 Nvidia NV5 had double the onboard memory of the NV4 Video card, which was 16MB, (The NV5 Had 32MB) It Also ran 70% faster than the NV4 Card.
History Of Video Cards (Look Its Still Going)
In 2002 Matrox produced the Parhelia. It had 256-Bit memory, it came clocked at 220MHz and had support for three monitors. It also was supposed to support Direct X9. It did not have support for Direct X9, and its retail price was $400.00. Double the price for the same Specs other competitors were producing.
History Of Video Cards (It Doesn’t Stop Here)
How does it work?
Motherboard Connections :
Bring in data from the hard drive and electricity from the power supply.
Memory Chips :
Hold the data during processing.
Graphics Processor Chips :
Turn digital data into pixel information.
Monitor Connections:
Send pixels to the monitor.
Video Card Components Terminology
The Video Card is a circuit. It is responsible for processing video data from the CPU so that the monitor can understand it and create a picture on the screen. The Video Chipset, the Video Ram and the Digital Analog Converter are all things that are used to do this.
How The Video Card Works
Structural Design

Video cards are mainly used to watch/run more advanced videos/games
Video cards can come in different complexities and types based on your need
Along the years through improvement NVIDIA took over the market
Before video cards were created the only use for output was a printer
Later on companies like ATI and creative released 2D and 3D video cards in 1995
The graphics card is used to make your computers visual effects keep up with advanced graphics
There is the very basic integrated graphics card and one that can be bought at a store
Outputs better quality videos/features within games or moviesFor example difference between normal TV. And HDTo the next level from HD to Blue ray
Video cards are also referred to as graphics cards, video adapters, video controllers and video boards.
Video cards affect how well your computer handles certain games and programs. A better video card can output better graphics. Weaker video cards won't function properly with programs that operate outside their capabilities. It's important to make sure your computer's video card is compatible with any piece of software or game before buying.
Hardware specs
When looking at a Video card you want to mainly look at these key hardware specs.
GPU clock speed (MHz)
- How fast your GPU can execute instructions
Amount of available memory (MB)
- The more memory (RAM) you have in the Video card then the higher resolution you will have, resulting in better graphics.
Memory clock rate (MHz)
- How fast the information going to your card will go, the more memory clock rate the better it performs.
Memory bandwidth (GB/s)
- The speed at which the card can access memory. The higher the memory bandwidth the better you will be able to handle large textures
RAMDAC speed (MHz)
- Random Access Memory Digital to Analog Converter. The RAMDAC converts digitally encoded images into analog signals in which the monitor may display the images
Each computer's video card is attached and in some cases integrated into to a PC's motherboard, which is the central hub for all of a computer's cards and components such as RAM, the hard disk and the CPU. While connected to the motherboard, the video card is able to work with these components to create an image on your computer's monitor or display.
Importance of a Video card
A video card is a very important part of the computer. It takes the input from the CPU then the information (input) is distributed around the stream processor when it is done with the information a image pops up on the monitor. The RAM saves the image that was just calculated in it's memory so the computer can use it again. In the video card the more stream possessors it has the more calculations it can do at the same time which will be faster. In the core of the video card is where all the calculations and processing is done. A video card with the faster RAM will preform better.

By . Maison , Zaid and Pirinthapan
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