You can't. The index shows what your video card is capable of. The only things which can be improved is hard drive reads and ram.
to improve the video and graphics capabilities of your computer
No, it will not. The graphics of the game you are playing rely on the graphics chip in the computer. You must upgrade the graphics chip in your computer to improve the game's graphics, unless the game is supposed to have terrible graphics.
with every update he changes lots of things to make the minecraft experience better. he improves the graphics and addes new tools weapons and mobs.
Its UNLEARNING and LEARNING. To cast away what we are told, what we think and improve by getting experience.
You cannot but if on computer it might be better if you have a graphics card.
For regular applications you won't notice a difference but in games, definitely.
Reading and getting job/life experience.
configure the application to run correctly with the new graphics card
in my personal experience about 3 months i could tell it was getting better .
Accelerated Graphics Port (AGP)
You will most likely use a computer in graphics. It will make it much easier for you and probably improve your efficiency.
graphics and realism