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Level 75

Decision Structures & Boolean Logic

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0 != 1
false, they generally are.
t/f: string comparisons are generally NOT case sensitive
Month != "October"
false, they can.
nested decision structures
this is when decisions are nested in order to test more than one condition
case structure
the -- -- lets the value of a variable or an expression determine which path of execution the program will take
0 != 0
are used between conditions to create complex Boolean expressions
logical operators
Both must be true in order to be true.
Either Or Logic (can be one or the other). Only False False = False
logical operator: reverses the truth of an expression
End If.
AND example
End If
NOT example
decision structure
A -- -- allows a program to perform actions only under certain conditions
A -- symbol is used in flowcharts for an "if " statement.
relational operators
Determines whether a specific relationship exists between two values.
greater than
this operator means what: >
less than
this operator means what: <
this operator means what: >=
greater than or equal to
this operator means what: <=
less than or equal to
equal to
this operator means what: ==
not equal to
this operator means what: !=
a Boolean expression
An expression that produces a true or false value when evaluated.
If then else statement
Executes one group of statements if it's Boolean expression is true, or another group if its Boolean expression is false.