COSC Practice Test with 100 % Correct Answers
Which of the following function prototypes is valid?
a. int funcTest(int x, int y, float z){}
b. funcTest(int x, int y, float){};
c. int funcTest(int, int y, float z)
d. int funcTest(int, int, float); - Answer-d. int funcTest(int, int, float);...
Which of the following function prototypes is valid?
a. int funcTest(int x, int y, float z){}
b. funcTest(int x, int y, float){};
c. int funcTest(int, int y, float z)
d. int funcTest(int, int, float); - Answer-d. int funcTest(int, int, float);
Which of the following function prototypes is valid?
a. int funcExp(int x, float v);
b. funcExp(int x, float v){};
c. funcExp(void);
d. int funcExp(x); - Answer-a. int funcExp(int x, float v);
Given the following function prototype:
int myFunc(int, int);
which of the following statements is valid? Assume that all variables are properly
declared.
a. cin >> myFunc(y);
b. cout << myFunc(myFunc(7, 8), 15);
c. cin >> myFunc('2', '3');
d. cout << myFunc(myFunc(7), 15); - Answer-b. cout << myFunc(myFunc(7, 8), 15);
The statement:
return 8, 10;
returns the value ____.
a. 8 b. 10 c. 18 d. 80 - Answer-b. 10
The statement:
return 37, y, 2 * 3;
returns the value ____.
a. 2 b. 3 c. y d. 6 - Answer-d. 6
The statement: return 2 * 3 + 1, 1 + 5; returns the value ____.
a. 2 b. 3 c. 6 d. 7 - Answer-c. 6
Suppose that printHeading is a function without any parameters. Which of the following
is a valid function heading?
, a. void printHeading();
b. void printHeading()
c. void printHeading(noParameters);
d. void printHeading(void) - Answer-b. void printHeading()
Which of the following is a legal C++ function definition?
a. void funcTest(int& u, double& v)
{
cout << u << " " << v << endl;
}
b. void funcTest(int& u, double& v);
{
cout << u << " " << v << endl;
}
c. void funcTest(int& u, double& v)
(
cout << u << " " << v << endl
)
d. void funcTest(int& u, double& v)
[
cout << u << " " << v << endl;
] - Answer-a. void funcTest(int& u, double& v)
{
cout << u << " " << v << endl;
}
There are two types of ____ parameters: value parameters and reference parameters.
a. actual b. formal
c. active d. passive - Answer-b. formal
1. The standard header file for the abs(x)function is ____.
a.< cmath > b.< ioinput >
c.< cctype >d.< cstdlib > - Answer-1. ANS: D < cstdlib > 1
2. To use the predefined function tolower, the program must include the header file
____.
a. cctype b. iostream
c. cmath d. cstdlib - Answer-a. cctype
3. The output of the statement
cout << tolower('$') << endl; is ____.
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