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AS Logic gates and Boolean Algebra ~ Help appreciated.

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(edited 12 years ago)
Reply 1
Avatar for dkdeath
dkdeath
10
1)checks if two numbers are the same

2)AB +AB = AB
AA = A
A+AB = A

3)A . (A + B)
AA + AB
A +AB
A

Next time please spend more then 2 mins on homework before asking for help.
Reply 2
Avatar for compy
compy
Original post by dkdeath

Original post by dkdeath
1)checks if two numbers are the same

2)AB +AB = AB
AA = A
A+AB = A

3)A . (A + B)
AA + AB
A +AB
A

Next time please spend more then 2 mins on homework before asking for help.


To be fair they must have spent well over two minutes typing this out, and they explain the parts they don't understand

More practice for boolean algebra is available on wikibooks in a slightly unpolished form: http://en.wikibooks.org/wiki/A-level_Computing/AQA/Computer_Components,_The_Stored_Program_Concept_and_the_Internet/Fundamental_Hardware_Elements_of_Computers

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