## 1.

The circuit shown above

The circuit shown above

## 2. The Boolean expression $$B\left( {A + B} \right) + A\left( {\overline B + A} \right)$$ can be realized using minimum number of

## 3. An amplifier of gain 1000 is made into a feedback amplifier by feeding 9.9% of its output voltage in series with the input opposing. If f_{L} = 20 Hz and f_{H} = 200 kHz for the amplifier without feedback, then due to the feedback

_{L}= 20 Hz and f

_{H}= 200 kHz for the amplifier without feedback, then due to the feedback

## 4. The following circuit (where, R_{L} ≫ R) performs the operation of

_{L}≫ R) performs the operation of

## 5. In the circuit shown, the ports Q_{1} and Q_{2} are in the states Q_{1} = 1, Q_{2} = 0. The circuit is now subjected to two complete clock pulses. The state of these ports now becomes

_{1}and Q

_{2}are in the states Q

_{1}= 1, Q

_{2}= 0. The circuit is now subjected to two complete clock pulses. The state of these ports now becomes

## 6. For the circuit shown below, the potential difference (in volt) across R_{L} is

_{L}is