Download Question Paper of "Digital Circuits and Logic Designs 2" , Question Paper of BCA 2nd Semester, Subject Code : BSBC - 205, Paper ID 802091, Paper 4

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Total No. of Questions : 07

BCA (Sem. – 2nd)

DIGITAL CIRCUITS AND LOGIC DESIGN

SUBJECT QODE : BC-205

Paper ID : [80209]

[Note : Please fill subject code and paper ID on OMR]

Time : 03 Hours

Instruction to Candidates:

1) Section - A is Compulsory.

2) Attempt any Four questions from Section - B.

Section - A

1.      

a)     What is SOP?

b)    What are universal gates?

c)     What is binary adder?

d)    What is the full form of T & D flip flop?

e)     Define K-map.

f)      What is the difference between synchronous and asynchronous counter?

g)     What is up down counter?

h)    What is Ex-OR gate?

i)       What is flip flop?

j)       Draw the block diagram of T flip flop.

Section – B

·        Why is the difference between sequential and combination circuits? Explain the designing of full adder and full subtract or' 

·        What is JK flip flop? How it is different from RS flip flop? Explain the working of master slave JK flip floP.

·        What is the difference between counter and shift register? Explain the working of any counter with its diagram.

·        What are the various error correction and detection methods? Write the complete procedure to detect and correct an error'

·        Explain the working of various shift registers with their block diagrams.

·        Write a short note on:

·        Gate Propagation  Delay  time

o   (b) DEMUX

o   (c) Code Converters