De MJ07
De MJ07
De MJ07
B.E./B.Tech.DEGREEEXAMINATION,MAY/JUNE'2007'
Fourth Semester
PARTA-(10 x2=2}marks)
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1. Convert the binary number 10112to gray code'
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2. Minimise the function using Booleanalgebra f =x(y +w'z)+wx'z '
3.
N.
What is the advantage of using Schottky TTL gate?
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4. Defrne propagation delaY.
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7. write the characteristic equation of JKFF and show how JKFF can be
convertedinto'T'FF?
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PARTB-(5x16=80marks)
11. (a) Find the minimum sum of products expression using K-map for the
function F =2m(7,9,10,11,I2,L3,I4,L5) and teaLize the minimized
(16)
function using only NAND gates.
Or
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(b) What are the different types of T'TL gates available? Explain their
operations taking suitable example. (16)
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diagram.
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Or
(b) (i)
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Write short notes on semiconductormemories. (6)
A B D 1
B D F 1
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C D A 0
D D E 0
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E B C 1
F C D 0
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15. (a) (i) Write short notes on races and cycles that occur in fundamental
ww
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(b) (i) Explain how hazard free realisation can be obtained for a Boolean
function. (8)
(ii) Discuss a method used for race free assignmentswith exampie. (U)
B 2165