ISC Practice test - 4 class 12: Important Questions

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In this ISC practice test all the topics of java for ISC computer Science has been covered.

ISC practice test

PART I

Answer all questions

Question 1
1. Define minterms and maxterms for the following expression in form of truth table
a. A’.B’.C+A.B’.C’+A.B’.C’+A.B.C [2]
b. Reduce the above expression with help of K-map [3]
c. Draw logic gate diagram for the derived expression using [5] NAND Gate
Question 2
2. Reduce the following using K-Map [10]
a. F(X,Y)=∑(X.Y+X’.Y’+X.Y’)
b. F(A,B)=(A’+B).(A+B’).(A’+B’)
c. F(A,B,C,D)= ∑(0,4,8,12)
d. F(X,Y,Z)=π(0,1,2,5)

PART II
Attempt any one question

Question 3
3. Obtain truth table for the following expression [2]
A.B.C’+A’.B+C’
4. Explain the principal of duality. Also explain the various steps involved in calculating it [2]
5. Define what is K-map [1]

Question 3
6. Find the compliment of F(m.n,o)=m’.n.o’+m’.n’.o [1]
7. Write the product of sum of the Boolean function, F(A,B,C) whose output is 0 only when,
A=1,B=0,C=0 [2]
A=0,B=1,C=0
A=0,B=0,C=1
A=1,B=1,C=1
8. Simplify a.b+a’.c+b.c using law of Boolean algebra [2]

ISC practice test

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