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  • A combination of logic gates has the truth table below. P

A combination of logic gates has the truth table below.

P Q Z
0 0 0
0 1 1
1 0 1
1 1 1

Which of the following combinations has this truth table ?

 

Option: 1


Option: 2


Option: 3


Option: 4


Answers (1)

(A) \mathrm{Z=(\overline{\overline{\mathrm{P}}+Q})}

P Q Z
0 0 0
0 1 0

(B) \mathrm{Z=(\overline{\overline{\mathrm{P}}.Q})}

P Q Z
0 0 1

(C) \mathrm{Z=(\overline{\overline{\mathrm{Q}} \cdot \overline{(\mathrm{P}+\mathrm{Q})})}}

P Q Z
0 0 0
0 1 1
1 0 1
1 1 1

(D) \mathrm{\mathrm{Z}=(\overline{\mathrm{P} . \mathrm{Q}})}

P Q Z
0 0 0
0 1 0
1 0 0

 

Posted by

Kshitij

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