Logical patterns (and, or, not) in C Sharp (C#) - Cheat Sheet & Quick Revision

Recall & Review

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What does the and logical pattern check in C#?

The and pattern checks if both conditions are true. It returns true only if all parts are true.

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How does the or logical pattern work in C#?

The or pattern returns true if at least one of the conditions is true. It only returns false if all parts are false.

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What is the purpose of the not logical pattern in C#?

The not pattern reverses the condition. If the condition is true, not makes it false, and vice versa.

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Given bool a = true; and bool b = false;, what is the result of a and b?

The result is false because and requires both to be true, but b is false.

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Explain the difference between and and or logical patterns.

and requires all conditions to be true to return true. or requires only one condition to be true to return true.

What does the and logical pattern return if one condition is false?

A True

B Depends on the other condition

C False

D Throws an error

The and pattern returns false if any condition is false.

Which logical pattern returns true if at least one condition is true?

A not

B or

C and

D xor

The or pattern returns true if any condition is true.

What does the not logical pattern do to a true condition?

A Changes it to false

B Throws an error

C Keeps it true

D Ignores it

The not pattern reverses the condition from true to false.

If a = true and b = false, what is the result of a or b?

A Error

B False

C Null

D True

or returns true if at least one condition is true.

Which logical pattern would you use to check if both conditions are true?

A and

B xor

C not

D or

The and pattern checks if both conditions are true.

Describe how the logical patterns and, or, and not work in C#.

Think about when each pattern returns true or false.

Give an example of using and and or logical patterns in a simple C# if statement.

Use variables with true/false values.