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Ian Gover Education Technology Adviser Somerset County Council PowerPoint PPT Presentation


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

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Ian Gover Education Technology Adviser Somerset County Council

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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?


The Logic Gate Nightclub?

AND


The Logic Gate Nightclub?

OR


The Logic Gate Nightclub?

NOT


The Logic Gate Nightclub?

0

0

0

1

AND

0

0

1

1

1

1


The Logic Gate Nightclub?

0

0

0

1

OR

0

0

1

1

1

1


The Logic Gate Nightclub?

0

0

NOT

1

1


The AND Gate truth table


The AND Gate truth table


The AND Gate truth table


The AND Gate truth table


The AND Gate truth table


The OR Gate truth table


The OR Gate truth table


The OR Gate truth table


The OR Gate truth table


The OR Gate truth table


The NOT Gate truth table


The NOT Gate truth table


The NOT Gate truth table


Adding two binary digits together


The Half Adder


The Truth Table


The Half Adder

0

0

0

0

0

0

1

0

0


The Truth Table


The Half Adder

0

0

1

1

0

0

1

1

1


The Truth Table


The Half Adder

1

1

1

1

0

0

1

0

0


The Truth Table


The Half Adder

1

1

1

0

1

1

0

1

1


The Truth Table


Does a computer think?

No

It is just very cleverly programmed by humans


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