NATIONAL INSTITUTE OF TECHNOLOGY KURUKSHAETRATHEORY EXAMINATIONQuestion

Topics: Floating point, Fixed-point arithmetic, Logic gate Pages: 1 (249 words) Published: November 27, 2014
NATIONAL INSTITUTE OF TECHNOLOGY, KURUKSHAETRA
THEORY EXAMINATION
Question Paper

Month and Year of Examination: Mgy/June 2012
Programme: B.Tech/l\t[.Tech/]VIBA/lVICA
Subj ect: Di gital Electronics
Course

No:IT-20f

Number of Questions to be attempted:
Total no of Questions: 8

Semester:3rd

Maximum Marks:59
Time Allowed: 3 hrs
Total No of Pages Used: 2

5

Unless stated otherwisq the symbols have their usual meanings in context with subject. Attempt any five questions, selecting at least one from each section. The candidate before starting to write solutions, should please check the question paper for any discrepancy, and also ensure that have been delivered the question paper ofright course no and rieht subiect title.

Marks
Sr.No
1

Convert binary numbqr 101010 in octal.
Convert 70l.12rc into hexadecimal.
(10)

Divide the binary 1100 by 011

XY7+ivz*AvZ* xlZ+ xvz

2(a)

Simplify the express ionxnz +

2(b)

Express the following function in the form of sum of minterms.

(6)
(4)

F(A,B,C):(A'+BXB'+C)
3(a)

Explain the design of 2bit comparator.

(s)

3(b)

Design a combinational circuitfor 4 bit parallel adder.

(5)

4

Write a note on digital comparator

(10)

s(a)

Drawthe logic diagram of4 ts?line encoder

(s)

s(b)

Implement the 8 bit multiplexer.

(5)

6(a)

What is race around condition? How it can be removed.

6(b)

Describe the behavior of edge triggered JK

flip flop using timing

(5)

(s)

diagram
7(a)

7(b)
8

Design a4bitBinary counter with JK flip flop.

(7)

Write short note on floating point number and its representation.

(3)

Describe the serial in serial out shift register

.

(10)

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