# Boolean expression for the output of the logic circuit shown in the figure is

1.  Y=AB+AB+C

2.

3.

4.

4 Explanation :
No Explanation available for this question

# For the circuit show in the figure below, what is the frequency of the output Q

1.  Twice the input clock frequency

2.  Half the input clock frequency

3.  Same as the input clock frequency

4.   Inverse of the propagation delay of the FF.

4

Half the input clock frequency

Explanation :
No Explanation available for this question

# The following arrangement of master-slave flip flops has the initial state of P, Q as 0, 1 respectively. After three clock cycles, the output state P, Q respectively are

1.  1,0

2.  1,1

3.  0,0

4.  0,1.

4

1,0

Explanation :
No Explanation available for this question

# The type of gate shown in the given figure is

1.  NOR

2.  OR

3.  NAND

4.  EX-OR.

4

EX-OR.

Explanation :
No Explanation available for this question

# In the circuit of given figure, redundant gate is

1.  1

2.  2

3.  3

4.  4.

4

2

Explanation :
No Explanation available for this question

# The input pulses to the different stages of the circuits shown in the following figure must be of

1.  Constant frequency and constant width

2.  Constant frequency bit variable width

3.  Variable frequency bit constant width

4.  Variable frequency as well as variable width.

4

Constant frequency bit variable width

Explanation :
No Explanation available for this question

# The output y for the logic circuit shown in the figure is

1.

2.

3.

4.

4 Explanation :
No Explanation available for this question

# The half adder circuit, in the given figure has inputs AB =11. The logic level of P and Q outputs will be

1.  P=0 and Q=0

2.  P=0 and Q=1

3.  P=1 and Q=0

4.  P=1 and Q=1.

4

P=0 and Q=1

Explanation :
No Explanation available for this question

# For the comparator circuit shown in the figure. The forward diode voltage drop is V=0.7 V and reverse zener diode voltage is 5.6V. If hysteresis width is 1 V, then value of R2 is

1.  4kΩ

2.  12.6kΩ

3.  2kΩ

4.  6.3kΩ

4

12.6kΩ

Explanation :
No Explanation available for this question

1.  0.9912V

2.  1.0042V

3.  1.0094V

4.  0.9938V.

4