Page 179 - FUNDAMENTALS OF COMPUTER

NPP

NPP Number System, Boolean Algebra and Logic Circuits 179

) (
(b) Y = ( A + B . A + B )

A B
A B

(A+B)

(A+B).(A+B)

(A+B)

(A+B)

3.16 To Obtain Expression from Logic 3.16 Vm{H©$H$ n[anW go ì`§OH$ àmßV H$aZm
Circuit
Problem 3.32 àíZ 3.32
For the following Circuit, obtain the {ZåZ n[anW hoVw Y H$m ì`§OH$ kmV H$amo…
expression for Y:

A

B
Y
C
Solution: hc:

Output of first AND Gate is (A.B). The àW_ AND JoQ> H$m AmCQ>nwQ> = A.B {ÛVr` AND
output of second AND Gate is (A.B).C JoQ> H$m AmCQ>nwQ> = (A.B).C

Output of NOT Gate is Y = A C . B . NOT JoQ> H$m AmCQ>nwQ> Y= C . B . A
Problem 3.33 àíZ 3.33
Find the expression for F: F H$m ì`§OH$ kmV H$amo…

X

Y
F

Z