# The figure given below shows the circuit of which one of the following is

1.  Bi-stable multi-vibrator

2.  Schmitt trigger

3.  Mono-stable multi-vibrator

4.  A stable multi-vibrator.

4

Mono-stable multi-vibrator

Explanation :
No Explanation available for this question

# A full-adder can be implemented with half-adders and OR gates. A 4-bit parallel full adder without any initial carry requires

4

Explanation :
No Explanation available for this question

# A four-variable switching function has min terms m6 and m9. If literals in these min terms are complemented, then corresponding min term numbers are

1.  m3 and m0

2.  m9 and m6

3.  m2 and m0

4.  m6 and m9.

4

m3 and m0

Explanation :
No Explanation available for this question

# For the gate network shown in the figure below which of the following gate is redundant

1.  Gate no-1

2.  Gate no-2

3.  Gate no-3

4.  Gate no-4.

4

Gate no-2

Explanation :
No Explanation available for this question

# In the logic circuit shown in the figure, output X is

1.

2.  A+B+C

3.  AB+BC+CA

4.

4

AB+BC+CA

Explanation :
No Explanation available for this question

# Consider the following expressions 1. Y=f(A, B, C, D)=∑(1,2,4,7,8,11,13,17) 2. Y=f(A, B, C, D)=∑(3,5,7,10,11,12,13,15) 3. Y=f(A, B, C, D)=∏(0,3,5,6,9,10,12,15) 4. Y=f(A, B, C, D)=∏(0,1,2,4,5,8,9,15) Which of the following expressions are equivalent to the expression

1.  2 and 3

2.  1 and 4

3.  2 and 4

4.  1 and 3

4

1 and 3

Explanation :
No Explanation available for this question

# For the circuit shown in figure

1.  F=A+B

2.  F=AB

3.

4.

4

F=A+B

Explanation :
No Explanation available for this question

# For the circuit shown in the figure, output F=0 when

1.  Both f2 and f3 are 1

2.  Both f2 and f3 are 0

3.   f2 is 1 and f3 zero

4.   f2 is 1 and f3 is 1

4

Both f2 and f3 are 1

Explanation :
No Explanation available for this question

# A three input AND gate is shown in the figure. If circuit works off the positive voltage made logic with logic levels 1=+5v and 0=0v, then binary state of output will be

1.  F=1

2.  F=0.

3.  F=100

4.  F=011

4

F=0.

Explanation :
No Explanation available for this question

# Venn diagram representing the Boolean expression A+(A.B) is

1.

2.

3.

4.

4 