Dev - C++ - What is the value of "c" at the end of execution?

   
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What is the value of "c" at the end of execution?

Publicado por Julio (6 intervenciones) el 28/01/2018 05:58:37
Question 13 (1 point) Question 13 Unsaved
What is the output?

{
int dateOfBirth = 1987;
int currentYear = 2006;

cout << "age is "
<< currentYear++ - dateOfBirth
<< endl;

cout << "age is "
<< currentYear++ - dateOfBirth
<< endl;
}
Question 13 options:

age is 18
age is 19


age is 19
age is 20


age is 20
age is 21


age is 21
age is 22

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Question 14 (1 point) Question 14 Unsaved
Write the C++ statement for the following: c=2pi r



Question 14 options:

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Question 15 (1 point) Question 15 Unsaved
Write the C++ statement for the following: 8+3=x



Question 15 options:

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Question 16 (1 point) Question 16 Unsaved
Write the C++ statement for the following: e =mc squared



Question 16 options:

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Question 17 (1 point) Question 17 Unsaved
Write the C++ statement for the following: x = one half times y

Question 17 options:

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Question 18 (1 point) Question 18 Unsaved
What is the value of c when the expression is evaluated:

int f = 34;
float c = (f - 32) * 5 / 9;
Question 18 options:

A)

0


B)

1.11


C)

0.0


D)

1.0

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Question 19 (1 point) Question 19 Unsaved
Write a function to display "Hello World".

Call it hello

Question 19 options:

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Question 20 (1 point) Question 20 Unsaved
Write a function to return a number.

Call it get

Question 20 options:

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Question 21 (1 point) Question 21 Unsaved
What is the output?

int two()
{
return 3;
}

int main()
{
int one = 2;
int three = two() + one;

cout << three << endl;

return 0;
}
Question 21 options:

5


3


2


1

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Question 22 (1 point) Question 22 Unsaved
What is the output?

void a()
{
cout << "a";
return;
}

void b()
{
cout << "bb";
return;
}

int main()
{
a();
b();
a();

return 0;
}
Question 22 options:

A)

abba


B)

abb


C)

a


D)

____

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Question 23 (1 point) Question 23 Unsaved
What is the output?

double a(double b, double c)
{
return b - c;
}

int main()
{
float x = a(4.0, 3.0);
float y = a(7.0, 5.0);

cout << a(x, y) << endl;

return 0;
}
Question 23 options:

A)

1.0


B)

3.0


C)

-1.0


D)

19.0

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Question 24 (1 point) Question 24 Unsaved
What is the output?

double add(double n1, double n2)
{
return n1 + n2;
}

int main()
{
double n3 = add(0.1, 0.2);
double n4 = add(n3, add(0.3, 0.4));

cout << n4 << endl;

return 0;
}
Question 24 options:

0.0


0.3


0.7


1.0

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Question 25 (1 point) Question 25 Unsaved
What is the output?

void weird(int a, int &b)
{
a = 1;
b = 2;
}

int main()
{
int a = 3;
int b = 4;

weird(a, b);

cout << a * b << endl;
return 0;
}
Question 25 options:

6


2


12


4

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Question 26 (1 point) Question 26 Unsaved
What is the output?

void setTrue(bool a)
{
a = true;
return;
}

int main()
{
bool a = false;

setTrue(a);

cout << (int)a << endl;

return 0;
}
Question 26 options:

1


0


unknown

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Question 27 (1 point) Question 27 Unsaved
What is the output?

int main()
{
cout << a(b()) << endl;
return 0;
}

int a(int value)
{
return value * 2;
}

int b()
{
return 3;
}
Question 27 options:

2


3


6


error

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Question 28 (1 point) Question 28 Unsaved
What is the output?

char value = 'a';

int main()
{
char value = 'b';

if (true)
{
char value = 'c';
}

cout << value << endl;

return 0;
}
Question 28 options:

A)

a


B)

b


C)

c


D)

error

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Question 29 (1 point) Question 29 Unsaved
Write the code for the following function: Write a function to multiply two numbers. Call the function multiply().

Question 29 options:

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Question 30 (1 point) Question 30 Unsaved
Write the code for the following function: Write a function to represent the prerequisites for CS 165:
you must pass CS 124 and Math 110

Question 30 options:

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Question 31 (1 point) Question 31 Unsaved
Write main() to prompt the user for two numbers, call multiply(), and display the product.

Question 31 options:

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Question 32 (1 point) Question 32 Unsaved
Write a function to represent how to pass this class:
you can either earn a grade greater than or equal to 60% or you must bribe the professor.

Question 32 options:

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Question 33 (1 point) Question 33 Unsaved
Evaluate the following equation:

bool a = ('a' < 'a');
Question 33 options:
True
False
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Question 34 (1 point) Question 34 Unsaved
Evaluate the following equation:

bool b = ('b' > 'a');
Question 34 options:
True
False
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Question 35 (1 point) Question 35 Unsaved
Evaluate the following equation where the values of the variables a and b are from the previous two problems:

bool c = (a * 4) && b;
Question 35 options:
True
False
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Question 36 (1 point) Question 36 Unsaved
Evaluate the following equation when the values of b and c are from the previous problems:

bool d = !(b || (c || true));
Question 36 options:
True
False
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Question 37 (1 point) Question 37 Unsaved
Evaluate the following equation where the values of a, b, c, and d are from the previous problems:

bool e = a && b && c && d;
Question 37 options:
True
False
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Question 38 (1 point) Question 38 Unsaved
Evaluate the following equation where the values of a and b are from the previous problems:

bool g = (a != b) && true;
Question 38 options:
True
False
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Question 39 (1 point) Question 39 Unsaved
For the following, indicate where the parentheses goes to disambiguate the order of operations:

1 + 2 > 3 * 3

Question 39 options:

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Question 40 (1 point) Question 40 Unsaved
For the following, indicate where the parentheses goes to disambiguate the order of operations:

! a < b

Question 40 options:

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Question 41 (1 point) Question 41 Unsaved
For the following, indicate where the parentheses goes to disambiguate the order of operations:

a + b && c || d

Question 41 options:

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Question 42 (1 point) Question 42 Unsaved
For the following, indicate where the parentheses goes to disambiguate the order of operations:

2 * c++ > 2 + 7 == 9 % 2

Question 42 options:

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Question 43 (1 point) Question 43 Unsaved
For the following, indicate where the parentheses goes to disambiguate the order of operations:

a > b > c > d
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