C++ Exercises 16

Question 1

The __________ evaluates the expresion on the __________ side of the eual sign and places the corresponding value in te memory.

Question 2

Which of the following are valid?

x = a + 2 + y
int stamp = (int) 5.5
a + x = 2 + y
int stamp = 14
None of the above.

Question 3

The code in line 4 is an example of what?

1 int x, y;
2
3 x = 5;
4 y = x;
4 x = 3;

Question 4

With what data should you use getline() instead of cin?

Question 5

When and why is it necessary to use cin.ignore()?

Question 6

Convert the following code snippet to the switch() equivalent.

void useIfElse()
{
string text;
char c;

cin >> c;

if(c == 'e' || c == 'i' || o == 'o')
{
text = "Old MacDonald";
}
else if(c == 'a')
{
text = "Alpha";
}
else if(c == 'u')
{
text = "You";
}
else
{
text = "Invalid Input Received.";
}
}

Question 7

Convert the following code snippet to the if-else equivalent.

void useSwitch()
{
int i, x;
x = 3;
cin >> i;

switch(i)
{
case 1:
x += 2;
case 2:
case 3:
x -= 9;
break;
case 4:
x = 16;
break;
default:
x = 0;
}

cout << x;
}

Question 8

Variable and constant names must be uniue; no variable or constant can have the same name in a program. True or False?

Question 9

Functions must have unique names just like variables and constants. True or False?