How to improve video resolution?

How does a web cam with higher mp affect video chat. Is it so that the resolution of video chat is fixed no matter what webcam i use and no matter what internet speed i have

I have a 19-inch monitor with a resolution of 1024 by 768 pixels. I have thought about lowering it to 800 by 600, which is the lowest I have, if that will improve video performance. It's an old monitor, one of those big heavy ones, not the new kind....

I am not sure I understand what video cards exactly do for video quality. For example, what are the benefits of having HDMI as opposed to VGA? Both seemingly produce the same results. Is this for increased resolution capability or something? Such as...

for example if my screen resolution was 680X680 what will matching it with a video of 1200X1200 do? does it enhances the graffics? or improve in anyway

Hello. So, I got this new video card because I wanted to improve the video quality over my on-board graphics card... I just installed the hardware and drivers and well... It's all the same. It's a GIGABYTE Radeon HD 4550 video card which is hooked up...

I have a pretty old PC with a 1.8GHz Intel Celeron, 768MB of memory and a 64MB Intel Graphics Controller. I don't use this computer for gaming and was hoping to buy a cheap new video card mainly so I could bump my resolution up to something higher than...

I have Core2duo 1.86ghz, 1gb DDR3ram, Palit video card 7100GS. At the moment my system is super slow running Crysis in medium res. It will only run the game decently in low res. I've read in many articles that changing video card to 8800GT 512ddr3 2...

I have dell all in one inspiron 3205 It is a 64 bit operating system with 4.00 of ram already installed. So if I upgraded to 8 ram will my gaming performance drastically improve? or is it a waste of money? Don't tell me to get a GPU becuase I can't upgrade...