3.
a. .aiff - sound
b. .bmp - image
c. .voc - sound
d. .gif - image
e. .jpeg or .jpg - image
f. .mp2 or .mp3 - sound
g. .mpeg or .mpg - video
h. .midi or .mid - sound
i. .pcx - image
j. .pdf - image
k. .png - image
l. .qt or .mov - video
m. .wav - sound
n. tiff - image
o. .au - sound
p. .avi - video
4.
Plain GIF, supplies its own background color.
Transparent GIF, in which the background is invisible, so the image seems to
be painted directly on the Web page.
5.
GIF is best suited for line art that contains large areas of the same color.
JPEG is best suited for photographic-quality color.
6. Each time an image is compressed into the JPEG format, some of the pixels are discarded.
8.
- simplify your graphics.
- divide up large pages.
- keep large graphics on their own page.
- reuse the images on your page.
9. because it is not a graphical browser, or the user has turned off image loading.
14. The time it takes to download images or multimedia files.
15. It is proper to put a small credit line on your page indicating where the resource came from.