Storing+bitmapped+graphics

media type="custom" key="23581438"

Bitmapped graphic questions

 * 1) What is the most basic component of any computer graphic?
 * 2) What does the expression "DPI" mean?
 * 3) What would be the effect of increasing an images DPI?
 * 4) Describe two advantages of storing graphics in bit-mapped form.
 * 5) Describe two disadvantages of storing graphics in bit-mapped form.
 * 6) What is meant by the term bit-depth?
 * 7) What does the expression "True Colour" mean?
 * 8) Explain the need for using data compression for bit-mapped images.
 * 9) Explain lossy compression.
 * 10) Explain lossless compression.
 * 11) What dis-advantage is there when you uncompress Lossy compressed files?

Bitmapped graphic storage questions

 * 1) What would be the uncompressed file size of a 4 inch by 5 inch photograph scanned at 800 dpi using 256 colours.
 * 2) What would be the uncompressed file size of a 3 inch by 4 inch photograph scanned at 1200 dpi using 8 colours.
 * 3) What would be the uncompressed file size of a 6 inch by 5 inch photograph scanned at 1200 dpi using 24 bit colour depth.
 * 4) What would be the uncompressed file size of a 6 inch by 8 inch photograph scanned at 1600 dpi using true colour.