creation: 8/13/99; revised 01/15/06
Instructions: This is an ungraded fill-in-the-blank exercise. Each question consists of a sentence with one or two words left out. A button represents the missing word(s). For each question, think of the word or phrase that should fill each blank, then click on the buttons to see if you are correct. No grade is calculated for this exercise.
3. Fill in the blanks so that AddUp will read from a file called input.dat.
6. Fill in the blanks so that Process will read input.dat and send its results to output.txt:
9. Complete the following program so that it reads in some characters, converts them to an integer, then writes the square of the integer to output.
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