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Exercise:

Section 1

01. Which variable stores the number of arguments to a program?
A. argc B. argv
C. count D. arglen

Answer and Explanation

Answer: argc

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02. What is argv[0]?
A. The number of arguments to the program B. The name of the program
C. The first argument to the program D. This syntax is illegal

Answer and Explanation

Answer: The name of the program

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03. What type is argv?
A. char * B. int
C. char ** D. It's not a variable

Answer and Explanation

Answer: char **

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04. In what order do the two command line variables appear in the definition of main?
A. Count then argument array B. Argument array then count
C. They don't appear in the definition of main D. There is only one argument.

Answer and Explanation

Answer: Count then argument array

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05. What does the argument count variable store?
A. the number of arguments B. the number of arguments plus one
C. the number of arguments minus one D. The total size of the argument array

Answer and Explanation

Answer: the number of arguments plus one

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