2.4 Logic and Languages Flashcards by aron x

Q

What are the three Boolean operators?

A

AND
OR
NOT

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Q

What is a truth table?

A

Lists outputs for logic gates
For all possible inputs

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Q

What is the shape of the AND operator?

A

=D-

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Q

What is the shape of the OR operator?

A

=)>-

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Q

What is the shape of the NOT operator?

A

=>o-

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Q

What is data validation?

A

Ensure the data entered is the correct format

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Q

What is a range check?

A

Number is within sensible range

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Q

What is type check?

A

Data is right type
E.g integer, letter

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Q

What is a length check?

A

Text isn’t too long or short

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Q

What is presence check?

A

Checks data has been entered

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Q

What is format check?

A

Checks format is correct

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Q

A

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