Pencil & paper

From the Text, Exercises 3.1, 3.7, 3.8, 3.11, 3.16.

Additional exercises. Select most correct answer in each case. You need only write the letter for the correct answer, e.g., 3 (d) Hint: (d) may not be the correct answer for problem 3 below!

1. The semicolon is used (a) to mark the end of a line in C and C++, (b) to mark the end of a statement in C and C++, (c) only to mark the end of a statement in C and C++, (d) between the increment and initialize portions in the for-loop, (e) None of the previous.
2. A variable declared in the main function is (a) accessible in all functions, (b) is accessible in all functions called from main, (c) is accessible only in main, (d) is always static unless otherwise declared, (e) cannot be declared as a static variable.
3. Regarding for- and while-loops (a) the while-loop is preferred when you don’t know how many time the loop will be executed, (b) the for-loop is preferred when you don’t know how many time the loop will be executed, (c) both constructs are essential in any programming language, as there are certain kinds of looping needs that cannot be met with the while-loop by itself, (d) the loop control variable in a for-loop cannot be altered in the body of the loop. (e) both constructs must always complete by criteria set forth in the header statement of the construct because there is no other legal way of exiting.
4. In the statements enum weatherType{CLOUDY, RAIN, SHINE}; weatherType TodayWeather; (a) weatherType is of type int and therefore can be assigned a value of 1 (b) CLOUDY, RAIN, SHINE are enumerated as 1, 2, and 3 respectively (c) an error has been made (d) a weatherType can be used as a loop control variable in a for-loop (e) TodayWeather can be assigned a value of RAIN.

A. Do exercise 3.30 from the text. 

B. Do exercise 3.56 from the text.