Digital Electronics - Combinational Logic Analysis - Discussion
Discussion Forum : Combinational Logic Analysis - General Questions (Q.No. 9)
9.
A 4-variable AND-OR-Invert circuit produces a 0 at its Y output. Which combination of inputs is correct?
none of the above
Discussion:
12 comments Page 2 of 2.
AAA said:
8 years ago
Answer C is definitely correct.
A'B'+CD
=00+11
=0+1
=1.
After putting an inverter for 1, it will give us 0 (AND-OR-invert circuit).
A'B'+CD
=00+11
=0+1
=1.
After putting an inverter for 1, it will give us 0 (AND-OR-invert circuit).
Kishor said:
6 years ago
No input combination is specified so each expression gives output 0 for one or other input combination.
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