CS/B.TECH/EE(N)/EEE(N)/ICE(N)/SEM-3/EC(EE)-302/2013-14
2013
DIGITAL ELECTRONIC CIRCUITS
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
(Multiple Choice Type Question)
1. Choose the correct alternatives for any ten of the following:
10 x 1 = 10
i) Which code is used in K-map?
a) Gray b) BCD
c) Binary d) Hamming.
ii) Gray code of a number is 10110. What is its decimal number?
a) 10 b) 15
c) 27 d) None of these.
iii) What is Excess-3 Code of 27?
a) 0101 1001 b) 0010 0100
c) 0101 1010 d) None of these.
iv) How many flip-flops are required to design Mod-10 Counter?
a) 3 b) 4
c) 5 d) 6.