Govt Exams Mock Test FREE | Online Quiz Competition

Q1. Which of the following diode is used for voltage stabilization?

P-N junction

Zener

Tunnel

Hot carrier diode

Q2. The resistance of a reverse biased ideal diode is

Zero

Infinity

Low

Negative

Q3. If a change in base current does not change the collector current, the transistor amplifier is said to be

Saturated

Cut-off.

Critical.

Complemented.

Q4. The typical operating voltage for LED’s ranges from

0.2 V to 0.6 V.

6 V to 10 V

1.5 V to 2.5 V

9 V to 10 V

Q5. The gain of an Op amp decreases at high frequency due to

Capacitance

Resistors

Gain

None of the above

Q6. The minimised expression for the given K-map is

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

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

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

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

Q7. 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

Q8. The binary number 110001.101 is equivalent to decimal number

59.265

44.32

49.625

61.5

Q9. What will be the result of the reduction of the following Boolean expression?

\((B+BC)(B+\bar BC)(B+D)\)

\(B+D\)

\(C+D\)

\(B\)

\(D\)

Q10. \(X = 01110\) 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:

\(001000\)

\(000111\)

\(100111\)

\(101001\)

Quiz

Year 2024

April
Week # 3 Quiz 4

Q1. Which of the following diode is used for voltage stabilization?

Q2. The resistance of a reverse biased ideal diode is

Q3. If a change in base current does not change the collector current, the transistor amplifier is said to be

Q4. The typical operating voltage for LED’s ranges from

Q5. The gain of an Op amp decreases at high frequency due to

Q6. The minimised expression for the given K-map is

Q7. 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

Q8. The binary number 110001.101 is equivalent to decimal number

Q9. What will be the result of the reduction of the following Boolean expression?

\((B+BC)(B+\bar BC)(B+D)\)

Q10. \(X = 01110\) 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:

Quiz

Year 2024

July Week # 1 Expire on 31 Jul 2024

July Week # 2 Expire on 07 Aug 2024

July Week # 3 Expire on 14 Aug 2024

July Week # 4 Expire on 21 Aug 2024

April Week # 3 Quiz 4

Q1. Which of the following diode is used for voltage stabilization?

Q2. The resistance of a reverse biased ideal diode is

Q3. If a change in base current does not change the collector current, the transistor amplifier is said to be

Q4. The typical operating voltage for LED’s ranges from

Q5. The gain of an Op amp decreases at high frequency due to

Q6. The minimised expression for the given K-map is

Q7. 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

Q8. The binary number 110001.101 is equivalent to decimal number

Q9. What will be the result of the reduction of the following Boolean expression? \((B+BC)(B+\bar BC)(B+D)\)

Q10. \(X = 01110\) 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:

Record & Track Your Performance

April
Week # 3 Quiz 4

Q9. What will be the result of the reduction of the following Boolean expression?

\((B+BC)(B+\bar BC)(B+D)\)