The logic operations of two combinational circuits in Figure-I and Figure-II are
(A) entirely different
(B) identical
(C) complementary
(D) dual
Answer: (A)
Explanation: The Two functions are entirely different as:
Figure 1: The logic gates derive the following function:
F1 = ((X + Y')' + X)'
= ((X + Y')')'. X'
= (X + Y'). X'
= XX' + X'Y'
= X'Y'
Figure 2: It is simple AND gate which has 1 input already complimented.
F2 = XY'
So, these two functions are entirely different.
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Last Updated :
20 Nov, 2018
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