If anyone knows a bit about Photography could you please help me out?

Question

Srry for lots of questions but i seem to know nothing about this...

Define pixel, image resolution, sampling, and bit depth.
Explain why pixels vary in size depending on the resolution.
What is wrong with scanning at too low a resolution?
What is wrong with scanning at too high a resolution?
What color model is contained in a 1-bit image? An 8-bit image? A 24-bit image? A 32-bit image?
How many shades of gray are possible? Explain.
Why is RGB color called “additive”?
When would you use RGB color?
Why is CMYK color “subtractive”?
When would you use CMYK color?
Why is the black color channel in CMYK called “K”?
(Show your calculations) What resolution should you specify if you are scanning a 3x5 image, to be output the same size as the original on a printer with 600 dpi maximum output?
What resolution should you specify if you are scanning a 3x5 image, to be output 8x10 on a 600 dpi printer?
What resolution should you specify if you are scanning a 3x5 image, to be output 8X10 on a 1200 dpi printer? Explain.
Many photo editing programs contain tools for changing a scanned image’s resolution or "resampling". Explain why changing the resolution value after scanning ("resampling up") does nothing to increase the quality of the image.
Explain why your TV screen goes black (not white) when you turn it off.

Answer 1

Stay away from the beer a while and turn the hockey games off..



These links should answer many of your questions..



http://www.rideau-info.com/photos/index.html



http://www.kenrockwell.com/index.htm



http://www.larry-bolch.com/



Explain why your TV screen goes black (not white) when you turn it off.

The same for a room when you turn the light off and there is no other light source.



k = black



For not "knowing much" you sure are asking classic text book - TEST - questions..!!



Bob - Tucson

Answer 2

spend some points and ask one question at a time,



your answers are at www.imagenut.com if you can be bothered doing some research



Pink does her own heomework

Answer 3

If I do your homework will you wash and wax my car, mow my grass and rake my leaves?



Just go to http://www.dpreview.com and on their home page, on the left, click LEARN/GLOSSARY. That should answer all your questions.

Answer 4

DANG man... there are a few there I could not answer even if I wanted to... and I don't want to.



steve

Answer 5

Sorry, but I don't think I'll be doing your homework for you... you'll never learn if you don't do it yourself.