Unit+questions+and+vocabulary


 * Unit 14**
 * What is a Hertz? Why does the quality of the sound improve when you have more Hertz?
 * What is the sampling rate of an audio file?
 * What is the connection between sampling rate and "ppi"?


 * Unit 13**
 * Why is the hexadecimal system often used to manipulate color in digital media?
 * What is "ppi"? What does "72 ppi" refers to? Why 72?
 * In the context of image manipulation, what are the "ants"? What are they used for?
 * What are layers?


 * Unit 12**
 * What is the relationship between file size and color-depth?
 * Do color images always have more information than grayscale images?
 * What are the color channels in the GIMP?
 * Which image format is better for storage? Which image format is better for online transmission?


 * Unit 11**
 * What is a pormanteau?
 * Please explain how 8-bit, 16-bit, 24-bit, 32-bit color works?
 * How can you use nibbles to explain the hexadecimal system? Why does it facilitate working with color?


 * Dictionary terms: pixel, pixelate, bitmap, palette, grayscale, color, color channel, Cartesian coordinates (Wikipedia), octet, hexadecimal number, nibble


 * Unit 10**
 * How many different sequences of 1s and 0s can you have with 7 bits?
 * How many different sequences of 1s and 0s can you have with 8 bits?
 * How many different sequences of 1s and 0s can you have with 16 bits?
 * What is the connection between the Morse code and the ASCII code?


 * Dictionary terms: ASCII, ASCII graphics, UNICODE, bit, octet, binary, decimal.


 * Unit 9**
 * Dictionary terms: Wikipedia, permalink, screen capture or screen shot, BMP


 * Unit 8**
 * Dictionary term: MPEG


 * Unit 6**
 * Dictionary term: MP3


 * Unit 4**
 * Dictionary terms: JPEG, shortcut.


 * Unit 3**
 * The owner of a copyrighted work has several rights, what are those rights?
 * What is a derivative work according to Copyright law?
 * What is Fair Use?
 * What are the 4 factors used to evaluate Fair Use?
 * What is Creative Commons? How does it affect traditional Copyright law practices?
 * What are the 4 Creative Commons conditions that you can give to your work?


 * Unit 2**
 * What is a Wiki? Where does the concept of a Wiki comes from? In what way a Wiki is different to other web applications? What type of communications does a Wiki facilitate?
 * Dictionary terms: WYSIWYG, Wiki.


 * Unit 1**
 * What constitutes a strong password?