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Boolean Algebra and Logic Simplification

Q1: An OR gate with schematic "bubbles" on its inputs performs the same functions as a(n)________ gate.

A NOR

B OR

C NOT

D NAND

ANS:D - NAND

Question is saying "bubbles" on its inputs.

So inputs to the OR gate is now A' and B' and the on the addition of A'+B' will get the output as NAND gate i.e.

A B A' B' A'+B'
0 0 1 1 1
0 1 1 0 1
1 0 0 1 1
1 1 0 0 0



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