Tuesday, February 9, 2010
homework 2
1. What are web acceptable images?
JPG, PNG, GIF, and BMP. Web acceptable images have a small file size and are usually save at around 72 dpi.
2. What do the acronyms mean?
JPEG : Joint photographic Expert Group
PNG: Portable Network Graphic
GIF: Graphic Interchange Format
BMP: Bitmap
3. How do they differ? In size? In DPI?
JPG: This format is best used for photographs. This is the most common format for the web. This is not a loss less format and is compresses after each save or change. This format can produce millions of colors.
PNG: This format is designed to transfer images online. It is a lossless format. PNG’s have about 24 bit in RGB.
GIF: This format is the smallest in size. It can only go up to 256 colors. This format is useful for animation and graphics.
BMP: This format is only compatible for Microsoft. It can handle a large file size and has a lossless format. Can go up to 32 bit in color.
4. Is one better than the other for a certain function?
JPEG: Best for photographs
PNG: Best for formatting things to the web
GIF: Best for animation and graphics
JPG, PNG, GIF, and BMP. Web acceptable images have a small file size and are usually save at around 72 dpi.
2. What do the acronyms mean?
JPEG : Joint photographic Expert Group
PNG: Portable Network Graphic
GIF: Graphic Interchange Format
BMP: Bitmap
3. How do they differ? In size? In DPI?
JPG: This format is best used for photographs. This is the most common format for the web. This is not a loss less format and is compresses after each save or change. This format can produce millions of colors.
PNG: This format is designed to transfer images online. It is a lossless format. PNG’s have about 24 bit in RGB.
GIF: This format is the smallest in size. It can only go up to 256 colors. This format is useful for animation and graphics.
BMP: This format is only compatible for Microsoft. It can handle a large file size and has a lossless format. Can go up to 32 bit in color.
4. Is one better than the other for a certain function?
JPEG: Best for photographs
PNG: Best for formatting things to the web
GIF: Best for animation and graphics
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