Equivalent Logic

[SercoSteveB]

Which of the following is equivalent to the VI shown?

a) Boolean Value Out = A OR B

b) Boolean Value Out = A NOR B

c) Boolean Value Out = NOT A OR B

d) Boolean Value Out = A EOR B

[max_dvdt]

D

[DesasterMaster]

D

[crossrulz]

D, though I'm used to calling it an XOR.

[ramesh44]

(NOT(A AND B)AND(A OR B)

((NOT A)AND B) OR(A AND (NOT B))

A ENOR B

SO ANSWER IS D

[dipmdl]

D   i.e,XOR

[sac0071]

D

[pksusic]

D

[MrStevenUND]

D

[dhanalakshmi.ja]

ans is D - the output value gives the truth table of xor  (ie) EOR for the boolean input values

[LordNobady]

D, XOR

[madhu3566]

D

[ashwinilele]

A XOR B

are EOR and XOR same?

if same then ans is D

[crossrulz]

ashwinilele wrote:

                       

A XOR B

are EOR and XOR same?

if same then ans is D

                   

That's what I assumed.  XOR stands for Exclusive OR, so using the E does make sense.  This is just the first time I have seen it written like that.

[jeevanmtech]

D

[xh218]

Hi,

NOT(A+B) + AB = NOT(A) NOT(B) + AB, De Morgan's Law, Therefore, NOT(A) NOT(B) + AB = A XNOR B.

It seems none of the answer provided was correct.

[crossrulz]

xh218 wrote:

                       

Hi,

NOT(A+B) + AB = NOT(A) NOT(B) + AB, De Morgan's Law, Therefore, NOT(A) NOT(B) + AB = A XNOR B.

It seems none of the answer provided was correct.

                   

Looks like you got your ORs and ANDs flipped.  It is NOT(AB)(A+B).

[xh218]

Thanks crossulz, my mistake.

It is NOT(AB)(A+B) = (NOT(A)+NOT(B)) (A+B) = NOT(A) A + NOT(A) B+ NOT(B) A + NOT(B) B = NOT(A) B + A NOT(B) = A XOR B, as NOT(A) A = 0, NOT(B) B = 0.

D is the correct answer.

[Varma09]

(NOT(A AND B)) AND ( A OR B)

= (NAND) AND (OR)

=     1      AND    0 = 0

       1      AND    1 = 1    =   XOR

       1      AND    1 = 1    =

       0      AND    1 = 0

[mohamedtanveej17]

it's XOR so i go for D

[chan1989]

Exclusive or could be symbolized as XOR, EOR and EXOR. Answer D.

[M.P.Bharghavi]

Ans:D

A EXOR B

[N.UdhayaKamali]

D

[levonsg]

D