APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY Previous Years Question Paper & Answer

Course : B.Tech

Semester : SEMESTER 3

Year : 2020

Term : DECEMBER

Scheme : 2015 Full Time

Course Code : IT 201

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020001T201092001

Implement a full adder using two 4 x 1 MUX (5)
Design a T flipflop from SR flipflop. (6)
What is an Excitation table? Give the excitation table of SR, JK, D and T flip (5)
flops.

Design the sequential circuit described by the following state equations. Use JK (10)
flip-flops.

A(t+1) = xAB + yA'C + xy

B(t+1) =xAC + ४5८"

C(t+1) = > + yAB’

PART C
Answer any two full questions, each carries 20 marks.

Give the circuit diagram of Universal Shift Register. Explain its capabilities. (7)
Design a Decade ripple counter using J-K Flipflop and explain it with the help (10)
of state diagram and timing diagram.

Discuss about the effect of propagation delay in clock period of ripple counters. (3)
Design a counter with binary count sequence 1-2-3-5-6-1. Use J-K flip flop to (6)
implement the counter.

Design a 4-bit Ring Counter using D flip flop. (4)
Explain Hamming Code? Explain its error detection operation for the data word (10)
“1100101077?

Draw and explain the logic diagram of a memory cell for storing one bit of (5)

information.
Give the hardware description of the circuit below in HDL (5)
A [ഫി
ப்‌
B By

Draw the flow chart for signed magnitude multiplication algorithm. Explain (10)

with an example.

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