Unit 4 Lesson 1-9

A single value of either TRUE or FALSE

• Expression
• Boolean
• Conditionals
• Boolean Expression

 in programming, an expression that evaluates to True or False

• Expression
• Boolean
• Conditionals
• Boolean Expression

 Statements that only run under certain conditions

• If-Statement 
• Conditionals
• Selection
• Concatenate

The common programming structure that implements "conditional statements".

• Data Type
• If-Statement 
• Do While Looop
• While Loop

Typically used when joining together text in programming (e.g. "Hello, "+name)

• String
• Expression
• Variable
• Concatenate

A variable whose scope is covers the whole program, it can be used and updated by any part of the code. Its scope is typically derived from the variable being declared (created) outside of any function, object, or method.

• Variable Scope
• Global Variable
• Expression
• Local Variable

 A variable that can only be seen, used and updated by code within the same scope. Typically this means it was declared (created) inside a function -- includes function parameter variables.

• Variable Scope
• Global Variable
• Expression
• Local Variable

A placeholder for a piece of information that can change

• Data Type
• Variable
• Expression
• Global Variable

Any valid unit of code that resolves to a value

• Data Type
• Variable
• Expression
• Global Variable

Finding and fixing problems in an algorithm or program

• Debugging 
• Event-driven program 
• Event handling
• Program Testing