Programme Code : MCA
Course Code : mca-013
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Year : 2012 Views: 1268 Submitted By : atul dwivedi On 25th September, 2012

Do you have solution for this Question. If yes    I aslo want solution.

Q.


c) Write down suitable mathematical statement that can be represented by the

following symbolic properties.

i) ( ï¤ x) ( ï¢ y) ( ï¢ z) P

ii) ï¤ (x) ( ï¤ y) ( ï¢ z) P



b) Establish the equivalence: (P ï  Q) ï  (P ï Q) ïº (~P + Q) ï (Q ï  P)



a) Make logic circuit for the following Boolean expressions:

i) (x′.y + z) + (x+y+z)′ +(x+y.z)

ii) ( x'+y).(y′+ z).(y.z′+x′)



b) Give geometric representation for following

i) R x { 3}

ii) {-1, -1) x (3, -3)

c) Explain the concept of counterexample with the help of an example


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