R. Craig Collins > Intro to Computer Graphics > Review for Test 2

Review for Test 2 © R. Craig Collins, 2007

1. The _____ is best suited for photographs, hence its name derivation from Joint Photographic Experts Group.
2. True or False: While excellent for photographs, the jpeg format looses some information during the save process, so it is not well suited for original files.
3. The ______ format was designed to be an alternative to the then legally protected gif format.
4. While png files compare well in size to gif, and has transparency, png lacks a standard method of _____________.
5. As png is better standardized, it makes a great alternative to ________ files as far as saving original files goes.
6. True or False: jpeg files are often smaller than similar png files.
   
   From Overview 8 (crop, resize, rotating images,and lab 5)
7. True or false? Cropping is an acceptable method used to improve and image.
8. Not only can cropping remove unwanted areas, but cropping can also _________ an image or change the ______ ______.
9. True or false? Cropping is typically used to emphasize something, accentuate the subject matter.
10. Digital images often have more detail than needed for printing... to reduce the height and width is called resizing or _______.
11. Typically, resizing keeps the same aspect ratio,defined as reducing both the width and the height _____________, or by the same amount.
12. If you wish to add an image next to an existing image, you first with to change the __________ size, to allow both images to fit in the new, larger space.
13. Often, copied images wind up not in the same space as the original image, but in a new __________.
14. True or false? Normally, when editing photos, you choose File Save and replace the current image.
15. If your image is not lined up horizontally, you may __________ the image, such as 90° clock wise.
16. Review Lab 5
    
    From Overview 9 (Brightness and Contrast, Layers, Optimization, lab 6)
17. ________ is how light or dark an image appears, ________________ is how sharp an object is within an image when compared to another part of the image.
18. True or False: When you resize the canvas, you may have to choose Layer\Layer to Image size, in order to use the entire canvas.
19. _____________ is making a file smaller, such as by reducing color depth or resolution.
20. _____________ is balancing the image quality when making a file smaller in the number of bytes
21. Review Lab 6
    
    From Overview 10 (Photo editing, lab 7)
22. True or false: a gradient is a smooth transition between two colors
23. Based on photo lab developing with light, ______________ simulates reducing the light exposure for an area, while __________ simulates giving extra light exposure.
24. Aside from the circular and rectangular selection tools, you can also use the select shapes from image tool, similar to playing connect the _____ to outline an image.
25. True or False: Erasing part of one layer allows items in a layer below to show through.
26. Be able to discuss blur, sharpen, and smudge.
27. Be able to discuss cloning.
28. Review Lab 7.
    
    From Overview 11 (Colors, layers, xcf, text, lab 8)
29. The colors mixed by monitors to represent the full colors spectrum are ______, ______, and _______.
30. True or False: Hexadecimal is using base 16 to represent colors.
31. 6 hex digits can represent 24 1s and 0s, allowing ___.7 million colors to be represented
32. Be prepared to give the hex values for red, green, blue, white, and black, using just 0's and F's.
33. In order to save an image with all its layers in the gimp, you must choose the ____ file format.
34. Layers can or cannot be rearranged.
35. Be able to discuss text layers.
36. In order to 'draw' a circle or rectangle, after selecting the shape, choose Edit\_________ to outline the selection with the foreground color.
37. Review Lab 8.