Question
1. What will display after the following code is run if name = Morris? if( name > Joe) document.write(Morris is a cat.); else document.write(Joe rules!);
1. What will display after the following code is run if name = "Morris"?
if(name > "Joe")
document.write("Morris is a cat.");
else
document.write("Joe rules!");
a. | Joe rules! | b. | Morris is a cat. |
c. | Morris is a cat.Joe rules!
| d. | nothing cannot compare these values |
2. Which statement is equivalent to the following:
(x >= 0) && (x <= 100)
a. | !(x < 0) && (x > 100) | b. | (x < 0) && (x > 100) |
c. | (x >= 0) || (x <= 100) | d. | !((x < 0) || (x > 100)) |
3. What is the result of the following statement, given that count = 6?
if (count == 6)
a. | true | b. | false | c. | 6 | d. | not enough information given |
4. Which statement is equivalent to the following?
(X > 6)
a. | !(x <= 6) | b. | ( x <= 6) |
c. | (x < 6 || x == 6 | d. | (x < 6 && !(x == 6) |
TRUE/FALSE
1. True/False: In an if... structure, the only possible outcomes are either: a block of statements are executed or nothing is executed.
2. True/False: A valid test condition could be (x = 10), assuming x is an integer variable.
3. True/False: The following test condition for an if... structure will be true if x = 2:
if(x < 5 && x > 10)
4. True/False: The result of any test condition is always either true or false.
5. True/False: The following test condition will evaluate to true if x = 5:
if(x < 3 || x == 5)
6. True/False: The following statements are equivalent, given that x = 4 and y = 3:
z = Math.pow(y, x);
and z = x * x * x;
7. True/False: While it is possible to nest an if...else structure within an if... structure, it is not possible to nest an if... structure inside if...else structure.
8. True/False: The if clause and the else clause of an if...else structure must always contain different test conditions.
9. True/False: If an if clause or an else clause contain only one statement, curly brackets are not necessary.
10. True/False: A switch structure is a multiple alternative selection structure.
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