Anna University Chennai
B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2010
Fourth Semester
Electrical and Electronics Engineering
EE2255 — DIGITAL LOGIC CIRCUITS
(Regulation 2008)
Time: Three hours
Maximum: 100 Marks
Answer ALL Questions
[Note: New Subject Code in R-2013 is EE6301 and in 3rd Semester]
PART A — (10 × 2 = 20 Marks)
1. Show that
(a) a + a'b = a + b
(b) x' y' z + x' yz + xy' = x' z ![]()
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