How Digital Camcorders Work
Crash Course in Graphics Cards?
I just started working in the computer department at best buy and I do know a decent amount about computers, however when it comes to graphics cards, all I know is whats crap and whats not. I really need to learn more about the differences between each type and product websites don’t help because, lets face it, the company is always going to say that their’s is the best. If anyone knows alot about cards that feels like giving me an intensive review or if they know a website that has a comprehensive review, the I would appreciated it. Also a crash course on digital cameras and digital camcorders would help too, I dont even know brands and how to know whats good or not in that area.
read this:
http://en.wikipedia.org/wiki/Graphics_card
“video card, also referred to as a graphics accelerator card, display adapter, graphics card, and numerous other terms, is an item of personal computer hardware whose function is to generate and output images to a display. It operates on similar principles as a sound card or other peripheral devices.”
important parts:
GPU (faster is better)
video ram (more is better, but not crucial in gaming performance)
memory bandwidth (more is better)
the various outputs (usually VGA or DVI, sometimes in newer cards component video or HDMI)
more info:
not all computers have one, some (ok most) have the video integrated in the motherboard, but a real video card offers more performance.
some video cards use so much power that they need a separate connector (or two) direct from the power supply.
goes into various slots, PCI, AGP, PCI-E x16, and the newest, PCI-E 2.0
PCI-E and PCI-E 2.0 are the best for video cards, not all motherboards have these slots.
what a typical video card looks like:
http://www.bit-tech.net/content_images/2007/08/xfx_geforce_8600_gt_xxx_edition/1.jpg
low end card:
http://cache.gizmodo.com/assets/resources/2007/06/8400GS.jpg
High end:
http://www.legitreviews.com/images/reviews/610/geforce_8800gts_both.jpg
highest preforming card now:
ATI 3870 X2
best bang for buck:
Nvidia 8800 GT
Using a Digital Camera : How to Make a Microphone Work on a Camcorder
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