Preparation for Final Exam MCQ Quiz BIG - Попытка 1

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Question61

Баллов: 1

What statement is used to make decisions:

Выберите один ответ.

	a. while
	b. not
	c. true/false
	d. and
+	e. if

Question62

Баллов: 1

If the variable number is not equal to 7, print "The variable number is not equal to 7".

Выберите один ответ.

	a. if ( number == 7 ) std::cout << "The variable number is not equal to 7\n";
	b. if ( number < > 7 ) std::cout << "The variable number is not equal to 7\n";
	c. if ( number = 7 ) std::cout << "The variable number is not equal to 7\n";
	d. if ( number >< 7 ) std::cout << "The variable number is not equal to 7\n";
+	e. if ( number != 7 ) std::cout << "The variable number is not equal to 7\n";

Question63

Баллов: 1

Which of the following correctly accesses the seventh element stored in foo, an array with 100 elements?

Выберите один ответ.

	a. foo[7];
	b. foo;
	c. foo[100]
	d. foo(6);
+	e. foo[100-94];

Question64

Баллов: 1

Correct the mistakes

float a, b, c;

cin << a,b,c;

Выберите один ответ.

	a. cin << a,b,c;
+	b. cin >> a,b,c;
	c. cin << a; b; c;
	d. cin >> a; b; c;
	e. cin >> a >> b >> c;

Question65

Баллов: 1

If we have this code:
char arr[8];
cin >> arr;
And this text is entered: Hello World , what there will be in arr ?

Выберите один ответ.

+	a. Other
	b. Hello
	c. Hello W
	d. Hello Wo
	e. Hello World

Question66

Баллов: 1

A variable that is known only within the function in which it is defined is called a ________.

Выберите один ответ.

+	a. local variable
	b. static variable
	c. class variable
	d. temporary variable
	e. global variable

Question67

Баллов: 1

If we have class A with variable Name in it and write: A *obj , how do you invoke the Name variable?

Выберите один ответ.

	a. A.Name
	b. A->Name
	c. obj.Name
+	d. obj->Name
	e. None of these will work

Question68

Баллов: 1

Which properly declares a variable of struct foo?

Выберите один ответ.

	a. foo var;
+	b. struct foo;
	c. var foo;
	d. int foo;
	e. foo;

Question69

Баллов: 1

Given the assumptions in the comments, what values is printed for x?
int main(int argc, char** argv)
{
std::cout << sizeof(int) << std::endl;

int x = 0x1000;

x = x << 32;

std::cout << std::hex << x << std::endl;

return 0;
}

Выберите один ответ.

	a. 0
	b. undefined
	c. 0x00000000
	d. implementation defined
+	e. 0xFFFFFFFF

Question70

Баллов: 1

When it is not known in advance how many times a set of statements will be repeated, a value can be used to terminate the repetition.

 

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