Lesson #4 Review Questions

Back to Lesson # 4 Functions Table of Contents # 4 Assignment

 

 

1. In programming, a 'function' is just a way of
creating a block of statements that execute when called
 grouping statements together that are logically related
 simplifying the design process to make it easier to develop more complex programs
 All of the above
2. Top-Down design means
Breaking a large task into progressively smaller subtasks
 The top designer gets to make the important decisions
 Design the tiny details first, then the program will work better.
 Use functions for all statements
3. The code for the statements in a function is generally placed where?
in the <BODY> section
 in the <HEAD> section
 in the <INPUT ...> tag
 in the <TITLE> section
4. When do the statements inside a function execute?
As the document loads
 As the document unloads
 Only when called by the function name.
 In alphabetical order by function name
5. Function names are always followed by parentheses (), even when the parentheses are empty.
True
 False
6. When we send information to a function, it is enclosed in the parentheses and is called the:
Valuation
 Argument
 Arduous
 Global Value
7. Which of the following is NOT true?
The number of arguements sent to a function must be the same as the number of parameters in the function definition.
 The data types of the arguments must match the types of the parameters in the function definition.
 Arguments cannot be sent in JavaScript
 Arguments are stored in the functions internal variables.
8. The keyword 'return' is used for

returning a value because it was invalid.
 returning control to the home page window
 returning to the top of the document
 sending a value back to the calling program.
9. A local variable is
Declared inside of the function definition
 Not visible outside of the function
 Only able to be accessed and modified inside of the block of code where it was created.
 All of the above.
10. Global variables are declared outside of any function definition and are dangerous because they could be modified from any function.
True
 False

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