Govt Exams Mock Test FREE | Online Quiz Competition

Q1. In a typical Op amp the common mode rejection ratio should be

Low

High

Depends on the application

Very Low

Q2. The width of depletion layer of the PN junction

decreases with light doping

increase with heavy doping

is independent of applied voltage

is increase under reverse bias

Q3. Identify the above clipper circuit type?

Series negative clipper

Series positive clipper

Parallel negative clipper

Parallel positive clipper

Q4. The main reason why electrons can tunnel through a P-N junction is that

They have high energy.

Barrier potential is very low

Depletion layer is extremely thin.

Impurity level is low.

Q5. The properties of an ideal Op-amp

It should have very zero input impedance

It should have an infinity output impedance

It should have very a zero open loop gain

None of above

Q6. \(X = 01110\) and \(Y = 11001\) are two 5-bit binary numbers represented in two’s complement format. The sum of \(X\) and \(Y\) represented in two’s complement format using 6 bits is:

\(001000\)

\(000111\)

\(100111\)

\(101001\)

Q7. For the circuit shown in Figure, the output function Y is______________.

\(Y=AB+C(D+E)\)

\(Y=AB+C+DE\)

\(\bar A + \bar B + \bar C + \bar D+ \bar E\)

\((\bar A + \bar B ) C + \overline {DE}\)

Q8. An eight stage ripple counter uses a flip-flop with propagation delay of 75 nanoseconds. The pulse width of the strobe is 50 ns. The frequency of the input signal which can be used for proper operation of the counter is approximately

1.5 MHz

500 MHz.

2 MHz.

4 MHz

Q9. Minimize the given boolean expression:
\(A + B [AC + (B + \bar C) D]\)

ABC

A+BD

D+AB

B+CD

Q10. The output of the circuit shown in the figure is equal to

0

1

\(\overline A B + A \overline B\)

\((\overline{A\ast B}) \ast (\overline{A\ast B})\)

Quiz

Year 2024

June
Week # 3 Quiz 4

Q1. In a typical Op amp the common mode rejection ratio should be

Q2. The width of depletion layer of the PN junction

Q3. Identify the above clipper circuit type?

Q4. The main reason why electrons can tunnel through a P-N junction is that

Q5. The properties of an ideal Op-amp

Q6. \(X = 01110\) and \(Y = 11001\) are two 5-bit binary numbers represented in two’s complement format. The sum of \(X\) and \(Y\) represented in two’s complement format using 6 bits is:

Q7. For the circuit shown in Figure, the output function Y is______________.

Q8. An eight stage ripple counter uses a flip-flop with propagation delay of 75 nanoseconds. The pulse width of the strobe is 50 ns. The frequency of the input signal which can be used for proper operation of the counter is approximately

Q9. Minimize the given boolean expression:
\(A + B [AC + (B + \bar C) D]\)

Q10. The output of the circuit shown in the figure is equal to

Quiz

Year 2024

October Week # 1 Expire on 31 Oct 2024

October Week # 2 Expire on 07 Nov 2024

October Week # 3 Expire on 14 Nov 2024

October Week # 4 Expire on 21 Nov 2024

June Week # 3 Quiz 4

Q1. In a typical Op amp the common mode rejection ratio should be

Q2. The width of depletion layer of the PN junction

Q3. Identify the above clipper circuit type?

Q4. The main reason why electrons can tunnel through a P-N junction is that

Q5. The properties of an ideal Op-amp

Q6. \(X = 01110\) and \(Y = 11001\) are two 5-bit binary numbers represented in two’s complement format. The sum of \(X\) and \(Y\) represented in two’s complement format using 6 bits is:

Q7. For the circuit shown in Figure, the output function Y is______________.

Q8. An eight stage ripple counter uses a flip-flop with propagation delay of 75 nanoseconds. The pulse width of the strobe is 50 ns. The frequency of the input signal which can be used for proper operation of the counter is approximately

Q9. Minimize the given boolean expression: \(A + B [AC + (B + \bar C) D]\)

Q10. The output of the circuit shown in the figure is equal to

Record & Track Your Performance

June
Week # 3 Quiz 4

Q9. Minimize the given boolean expression:
\(A + B [AC + (B + \bar C) D]\)