railway RRB JE (CBT I + CBT II) Mock Test 2024 Digital Electronics Logic Gates and Boolean Algebra Logic Gates
Determine the logical operation of the given circuit.
1
\(X = \overline {A + B + C + D} \)
2
\(X = \overline {ABCD} \)
3
X = A + B + C + D
4
X = ABCD