Reg No.:

Max. Marks: 100

2

3

4

5 a)
b)

6 a)
b)

Pages: 3

02000CS203092001

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Third Semester B.Tech Degree (S,FE) Examination December 2020 (2015 Scheme)

Course Code: (5203
Course Name: SWITCHING THEORY AND LOGIC DESIGN

PARTA
Answer all questions, each carries 3 marks.
a) (162)8 (537)% =
0) (37A)16+ (489)16 =
Using truth table prove that (A+B)’= A’B’
Perform subtraction using 2’s complement method.
a) (100). — (110000),
७) (11010)2—(1101)2
Express the given function in sum of minterms and product maxterms form.
F(A,B,C) = C(A’+B) + B’C
PART B
Answer any two full questions, each carries 9 marks.
Perform the following conversions.

i) (231B)i6 = ( )2
ii) (574.32) = ( )2
11) (10110011.01)2 = ) ‏و(‎
‎1४) )107(و‎ = ()10
1) (2671) ) (16
Convert the decimal number 5.62 x 10° to IEEE 754 standard single precision
floating point binary number.
Simplify the Boolean function F using the don’t care conditions d, in SOP and
POS forms.
F(A,B,C,D)=A’B’D’ + കന + A’BC
d(A,B,C,D) = A’BC’D + ACD + AB’D’
The sum of all minterms of a Boolean function of 11 variables is 1.

Prove the above statement for n=3.

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Duration: 3 Hours

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