Unit 2 Color: 23 of 23

Exercise 1

Name__________ Student ID#____________________Date____________

Complete the following steps and write your answers in the blanks. Turn in this exercise at the end of the Tutorial.

1. Minimize the Tutorial window and start Photoshop 5.5. Open the File dialog box by using the File:New sequence.
2. Set the image width to 8 inches and the height to 10 inches. Set the Resolution to 150 dpi and select a color mode of grayscale -Image:Mode:GrayScale. Photoshop 5.5 assumes "Grayscale" means a bit depth of 8.
   What is the file size in MB? _______________
3. Change both of the image dimension units to pixels . What are the pixel dimensions of the image?__________________. 
4. Change the bit depth to RGB (24 bits). What is the file size now?_______
5. Change the resolution to 100 dpi.  Did the pixel dimensions change? ____
6. Change the image dimension units back to inches and set them to 8x10 again. Set the resolution to 300 dpi and the color depth (mode) to 24 (RGB).  What is the file size now? _____________.  
7. Will the image completely fit on a monitor set to a resolution of 1600x1200?____________
8. Since most monitors on the Internet are normally set to resolutions of 800x600 of less, why would you ever need an image with a resolution greater than 800x600?
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9. If the web-safe color palette is only 8 bits, why do you think you would ever need an image with 24 bit color?_______________________________________
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Close Photoshop and return to the tutorial by maximizing its icon.