Ian Gover Education Technology Adviser Somerset County Council Logic and Logic Gates.

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Presentation transcript:

Ian Gover Education Technology Adviser Somerset County Council Logic and Logic Gates

Does a computer think?

2 + 2 = ?

Using Logic to search Load Google and search for One Record the number of sites that you found Now search for Direction Record the number of site you find Now search for One Direction Record the number of sites you find Which search will enable you to find the best result

Using Logic to search One AND Direction was a better search to find the information that we wanted This time try this exacl:ly One Direction –Harry Styles You should only get the websites that mention One Direction but NOT Harry Styles in their text

The Logic Gate Nightclub?

AND

The Logic Gate Nightclub? OR

The Logic Gate Nightclub? NOT

The Logic Gate Nightclub? AND

The Logic Gate Nightclub? OR

The Logic Gate Nightclub? NOT

The AND Gate truth table Input Output

The AND Gate truth table Input Output

The AND Gate truth table Input Output

The AND Gate truth table Input Output

The AND Gate truth table Input Output

The OR Gate truth table Input Output

The OR Gate truth table Input Output

The OR Gate truth table Input Output

The OR Gate truth table Input Output

The OR Gate truth table Input Output

The NOT Gate truth table InputOutput 0 1

The NOT Gate truth table InputOutput 01 1

The NOT Gate truth table InputOutput 01 10

Adding two binary digits together Input AInput BOutput

The Half Adder

The Truth Table ABCDEFG

The Half Adder

The Truth Table ABCDEFG

The Half Adder

The Truth Table ABCDEFG

The Half Adder

The Truth Table ABCDEFG

The Half Adder

The Truth Table ABCDEFG

Does a computer think? No It is just very cleverly programmed by humans