### MSBTE Electronics Engineering Group Sample Test Paper – I- 20 Marks

**MSBTE Electronics Engineering Group Sample Test Paper – I- 20 Marks**

Course Name :- Electronics Engineering Group

Course code :- EJ/EN/EX/IS/MU/IE/IC/DE/ EV/ED/EI

Semester :- Third

Subject :- Principles of Digital Techniques

Duration :- 1 hours Marks: 20

**Instructions:**

1] All questions are compulsory.

2] Figures to the right indicates full marks.

3] Use of non-programmable calculator is permissible.

**Q.1: Attempt any Two Marks: 4**

a) Perform subtraction for group of binary numbers

i) 1000 – 1001 ii) 1100 – 11

b) Define any two laws of Boolean algebra.

c) What is maxterm & minterm with respect to SOP & POS expression?

**Q.2 : Attempt any Two Marks: 8**

a) Subtract the given BCD numbers using 10’s complement.

i) 98 – 23 ii) 18 – 5.

b) Simplify given expressions using Boolean laws.

i) Y = (A +c) (A + D) (B +C) (B +D)

ii) Y= (B +BC) (B +BC) (B +D)

c) With sketch realize the expression Y= AB+CD using

i) NAND gates only ii) NOR gates only.

**Q.3 : Attempt any two . Marks: 8**

a) Identify the given expression as SOP & POS and convert it into the other form

i) AB+AC+BC ii) (A+B) (B+C) (A+C).

b) Minimize the logic function using K-Maps

i) F (A,B,C,D) = Sm (0,1,2,45,7,8,10,11,14)

c) Realize all basic gates using NAND gates only.

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Sir

Can I get Ist year computer engineering ist semister sample test papers of Pune university?

If you have that pl send those to me

thank you

nachiket