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cs1101_09A_lec16

# cs1101_09A_lec16 - 1 Logic Gates NOT gate or inverter Inp u...

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CS1101 - Lec02 1 Logic Gates Input O utput A NOT  A 1 0 NO T True  is  Fals e 0 1 NO T Fals e  is  True Input O utput A B XOR  B 0 0 0 0 1 1 1 0 1 1 1 0 NOT gate or inverter XOR gate The  o utput is  True  if  e ithe r, b ut no t bo th, o f  the  inputs  are  True .

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CS1101 - Lec02 2 Logic Gates NOR gate NAND gate XNOR gate C o m binatio n o f an AND g ate  with a  NO T g ate C o m binatio n o f an O R g ate  with a  NO T g ate C o m binatio n o f an XO R g ate  with a NO T g ate .  The  o utput is  True  if bo th o f the  inputs  are  True  o r bo th  o f the  inputs  are  Fals e .
CS1101 - Lec02 3 From Logic Gates to Logic Circu it What does the following circuit compute? Input O utput A B C F 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 0 1 0 0 1 1 0 1 0 1 1 0 1 1 1 1 0

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CS1101 - Lec02 4 Single-Bit Adder (1) Ø Half-adder  ² circuit  that performs an addition operation on  two  binary digits ² Produces a sum and a carry value which are both  binary digits Ø
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