Assignment
Download the word document, and answer each question :
1. Write a C statement that prints the message “The number is valid.” If the variable grade is within the range 0 through 100.
2. Write a C statement that prints the message “The number is not valid.” If the variable hours is within the range 0 through 80.
3. Describe the output produced by the following program segment. (Assume x and y are integers.)
if (x >= y)
printf(x);
else
printf(y);
(a)when x = 2 and y = 5
(b)when x = 4 and y = 4
(c)when x = 3 and y = 8
(d)when x = 5 and y = 5
(e)when x = -1 and y = -1
4. Using the following chart, write a C statement that assigns .10, .15, or .20 to commission, depending on the value in sales.
|
Sales |
Commission Rate |
|
Up to $10,000 |
10% |
|
$10,000 to $15,000 |
15% |
|
Over $15,000 |
20% |
5. Write one or more C statements that assign the correct value to discount, using the logic described here:
Assign .20 to discount if dept equals 5 and price is $100 or more.
Assign .15 to discount if dept is anything else and price is $100 or more.
6. The following statement should determine if x is not greater than 20. What is wrong with it?
if (!x > 20)
7. The following statement should determine if count is within the range of 0 through 100. What is wrong with it?
if (count >= 0 || count <= 100)
8. Describe the output produced by the following program segment. (Assume number is an integer.)
switch (number)
{
case 100:
printf(“%dn”, number+99);
break;
case 50:
printf(“%dn”, number-1);
default:
printf(“defaultn”);
}
(a)when number is 100
(b)when number is 50
(c)when number is -1
Now omit the break statement in problem #1 and describe the output for each.
(a)when number is 100
(b)when number is 50
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