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Digital Design

  • Thread starter ahmed-mii
  • Start date
  • #1
2
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Homework Statement


1. Implement the following Boolean function F using no more than two NOR gates and draw the circuit.F(A,B,C,D)=∑(0,1,2,9,11)+d(8,10,14,15)
2. Implement the following Boolean function using two - level forms:
NAND - AND
OR - NAND and

Homework Equations





The Attempt at a Solution


The first one is kinda easy but I didn't what's the meaning of d.
The second one I'm actually Confused about the solution .First one is I draw NAND then AND
is this correct.
 

Answers and Replies

  • #2
The d means does not matter. So that values of 8, 10, 14 and 15 can be either 1 or 0, whichever gives the neatest solution. I'm unsure about the second part, sorry.
 
  • #3
2
0
Thank you for replying .Now,I know 'd' what's mean it's don't care .
 

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