COP 3330 FSU Exam 1 Exam with complete solutions latest version.

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COP 3330 FSU Exam 1 Exam with
complete solutions latest version




Which of the following code fragments produces the output:

z = 1.5

a)
int x = 1;
int y = 2;
float z = (x + y)/2;
std::cout << "z = " << z << '\n';

b)
int x = 1;
int y = 2;
float z = x + y;
std::cout << "z = " << z/2 << '\n';

c)
int x = 1;
int y = 2;
float z = x/2 + y/2;
std::cout << "z = " << z << '\n';

d)
int x = 1;
int y = 2;
float z = (x + y)/y;
std::cout << "z = " << z << '\n'; - CORRECT ANSWER-int x = 1;
int y = 2;
float z = x + y;
std::cout << "z = " << z/2 << '\n';
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Given the declarations

int A [20];
int * p = A;

Which of the following does not output the index 3 element of A?

a)
A += 3;
std::cout << *A;

b)
std::cout << *(p + 3);

c)
std::cout << A[3];

d)
std::cout << *(A + 3);

e)
p += 3;
std::cout << *p;

f)
std::cout << p[3]; - CORRECT ANSWER-A += 3;
std::cout << *A;

What will the following program segment do?

int counter = 1;
do
{
std::cout << counter << ' ';
}
while (++counter <= 10);

a) Print the integers 1 through 11
b) Print the integers 1 through 10
c) Print the integers 1 through 9
d) Cause a syntax error - CORRECT ANSWER-Print the integers 1 through 10

Which of the following is not true about a for loop structure?

a) The three expressions in the for header are optional
b) A for loop can always be used to replace a while loop, and vice versa
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