Name: ____________________________________

Directions: 1. Label the following diagram.  2. Below the diagram, write in the name of each button and describe, in your own words, the function of each button.

1.                                                                                 9.                                                                 

2.                                                                                 10.

3.                                                                                 11.

4.                                                                                 12.

5.                                                                                 13.      

6.                                                                                 14.                                                                 

7.                                                                                 15.

8.

1.                                                                     4.

2.                                                                     5.        

3.

1.                                                                     4.

2.                                                                     5.

3.

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