Download FREE Computer Science Engineering (CSE Engg. Branch) Previous 5 Years solved Regular and Reappear Question Papers B.tech PTU (2007, 2006, 2005, 2004, 2003) and related Placement HR - Technical Interview Questions for subject DIGITAL CIRCUITS & LOGIC DESIGN
DIGITAL CIRCUITS & LOGIC DESIGN (CS - 205)
Maximum Marks: 60
Time: 03 Hours
Instruction to Candidates:
1) Section - A is compulsory.
2) Attempt any Four questions from Section - B.
3) Attempt any two questions from Section - C.
Section - A
Ql)
a)(10101)2 convert to Decimal Number system.
b)Convert hexadecimal number F3A 7C2 to binary
c)What is Encoder?
d)What is a bus?
e)Implement the function F(x,y,z)= I,(0,6) with NOR gates.
f)What is Flip-flop?
g)Explain about line termination?
h)What is multivibrators?
i)Explain about VLSI design.
j)What is EEP ROM?
Section - B
Q2) Simplify the boolean function F = x'yz + xy' z' + xyz + xyz' .
Q3) Explain Emitter Coupled Logic (ECL).
Q4) What is Rom? Explain all types of Rom's.
Q5) Explain about D-flip-flop?
Q6) Explain about D to A conversion Techniques?
Section - C
Q7) Siniplify the following Boolean Function in
(a) Sum of products
(b) Product of sums.
F(A"B,C,D)= L(O,1,2,S,S,9,lO)
Q8) What is the difference between- custom and semi-custom's design?
Q9) Explain about Bus Structure
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