Boolean algebra

(boolean algebra) is... (a part of digital system and architecture study. It consists of laws and theorems used to perform logical operations in a computer. Following are laws used in boolean algebra.)

• first law:

  a) if x!=0 then x=1
  b) if x!=1 then x=0

• second law:

  a)0+0=0
  b)0+1=1
  c)1+0=1
  d)1+1=1

• third law:

  a)0.0=0
  b)0.1=0
  c)1.0=0
  d)1.1=1

• fourth law:

  a)0 complement=1
  b)1 complement=0

• demorgan theorem

 a+b the whole cmplement  is equal to a complemet logical multiplication b complememt.

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