1. Example Problems for Exam#2 (covers chapters 5, 6, 7, 8, 9)
1. What is the final value of ? after performing the following operations
int x = 24;
float y = 6.0;
float z = 3.0;
y = x / z;
? = 2.0 * y;
(a) 12
(b) 12.0
(c) 16
(d) 16.0
ANS: (d)

2. 2. What is the lowest value of the loop counter in a for statement
with the following header?
for ( i = 10; i >= 1; i -=1)
a) 10
b) 9
c) 1
d) 0
ANS: (d)

3. 3. An array containing 3 columns and 4 rows is typically referred
to as a ________.
a) 12-element array
b) 3-by-4 array
c) 13-element array, because of the zero element
d) 4-by-3 array
ANS: (d)

4. 4. An incorrect final value in a loop counter (increment or decrement)
or an incorrect relational operator in the conditional expression of a
while or for loop statement frequently causes an __________error.
off-by-one
5. The function body, is represented by _____ in the following
function definition: W X(Y) {Z}
(a) W
(b) X
(c) Y
(d) Z
ANS: (d)

5. 6. The following array definition
int n[4] = {51, 36, 22, 45, 17};
a) is correct
b) causes a syntax error because there are only four initializers and five array elements.
c) causes a logic error because there are only four elements but there are five initializers.
d) causes a syntax error because there are five initializers but only four array elements.
ANS: (d)

6. 7. When exit is called with EXIT_SUCCESS
exit(EXIT_SUCCESS);
(a) the program quits immediately without returning anything
(b) the program prints an exit_success message and quits the current function
(c) the implementation defined value for normal termination is returned
(d) the program breaks out of a loop
ANS: (c)

7. 8. Which statement of the following is correct?
(a) #define X = 3
(b) #define X 3;
(c) #define X 3
(d) #define X:3
ANS: (c)