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KwickClips Computer Systems · 39 sec · free

What is B + B'?

Short answer. 1.

What should you write at each step?

The name of the law.

A.B + A.B'

StepExpressionLaw
1A.(B+B')distributive
2A.1complement
3Aidentity

Remember

One step per line
Name the law each time

Can A dot B plus A dot not B shrink to A? Yes, in three steps. Take A common. B plus not B is one. A dot one is A. Two rules. One step per line. Name each law.

This clip is from the full lesson: Boolean Algebra: Laws and Theorems — 8 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083), ISC Class 12 Computer Science (868), ISC Class 12 Computer Science (868)

More KwickClips from this lesson

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