1.

What is the value of variable num after the following code segment?

var num = 10;

while ( num > 0 ) {

num = num -1;

}

2.

What is the value of variable num after the following code segment is executed?

var num = 1;

while ( num >10 ) {

num = num -1;

}

3.

What is the sum of roll1 and roll2 after the following code is executed?

var roll1=0; var roll2=0;

while ( roll1+roll2!=6 ) {

roll1=Math.floor(Math.random( )*6+1);

roll2=Math.floor(Math.random( )*6+1);

}

4.Compare and contrast a while statement and an if statement ?