Preparation for Final Exam MCQ Quiz BIG - Попытка 1

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Question51

Баллов: 1

What will!((1 || 0) && 0) evaluate to?

Выберите один ответ.

	a. Wrong code
	b. 1
	c. 0
	d. Undefined behaviour
	e. I don't know

Question52

Баллов: 1

Repeating a set of instructions a specific number of times is called repetition.

Question53

Баллов: 1

Write a single statement that performs the specified task. Assume that floating-point variables number1 and number2 have been declared and that number1 has been initialized to 7.3. Assume that variable ptr is of type char *. Assume that arrays s1 and s2 are each 100-element char arrays that are initialized with string literals. Assign the address of variable number1 to pointer variable fPtr.

Выберите один ответ.

	a. fPtr = &number1;
	b. *fPtr = number1;
	c. fPtr = *number1;
	d. fPtr = *&number1;

Question54

Баллов: 1

The types of arguments in a function call must match the types of the corresponding parameters in the function prototype's parameter list.

Ответ:

True False

Question55

Баллов: 1

Every function's body is delimited by left and right braces ({ and }).

Ответ:

True False

Question56

Баллов: 1

What value is printed out for the variable x?
#include <iostream>

int x;

int main()
{
int y;
std::cout << x << std::endl;
std::cout << y << std::endl;
return 0;
}

Выберите один ответ.

	a. zero
	b. 2
	c. undefined
	d. -858993460
	e. 3

Question57

Баллов: 1

Find the error in the following program segment and correct the error:
Assume that int a[ 2 ][ 2 ] = { { 1, 2 }, { 3, 4 } };

a[ 1, 1 ] = 5;

Выберите один ответ.

	a. a[ 1, 1 ] = 5;
	b. a[ 1 ][ 1 ] = 5;

Question58

Баллов: 1

#include<iostream>

usingnamespace std;

int ifunc(int a) {

return a/10.0;

}

double dfunc(int a) {

return a/10.0;

}

int main() {

cout << ifunc(9) << " " << dfunc(9) << endl;

return 0;

}

Выберите один ответ.

	a. 0.9
	b. 0.9 0
	c. 0.9 0.9
	d. 0 0.9
	e. 0 0

Question59

Баллов: 1

Write the function header for a function called exchange that takes two pointers to double-precision, floating-point numbers x and y as parameters and does not return a value

Выберите один ответ.

	a. void exchange(double x, double y)
	b. void exchange(double *x, double y)
	c. void exchange(double x, double y)
	d. void exchange(double x, double *y)

Question60

Баллов: 1

Which of the following lines should NOT compile?
1
2 int main()
3 {
4 int a[54] = {};
5
6 int b[54] = {};
7
8 int* x = a;
9
10 int* const y = a;
11
12 b = x;
13
14 b = y;
15
16 return 0;
17 }