Hello, here I am providing you few questions of the exams of the Alagappa University as under:

1. (a) What are the advantages of Grey Codes? Discuss their areas of applications.

(b) Subtract using Excess – 3 code :
(i) 336 – 241.
(ii) 425 – 326.

(c) Add the following binary numbers.
(i) 1100 + 1001
(ii) 101.011 + 11.110
(iii) 1000.011 + 1011.1010
(iv) 1011001 + 11010.

2. (a) Explain the logic diagram of arithmetic circuits.

(b) Convert the following :
(i) 5( A)16 = ( ? )10
(ii) (3A9)16 = ( ? )10
(iii) (950)10 = ( ? )16
(iv) (428)10 =( ? )16
(v) (6BC)16 = ( ? )2
(vi) (435)8 = ( ? )10
(vii) (111011)2 = ( ? )10

3. (a) Explain how the NAND and NOR gates can act as universal building blocks.

(b) State and explain De Morgan’s theorem.

4. (a) What are the basic laws of Boolean algebra? Discuss.

(b) Explain the working of XOR gate and how it is used for binary applications.

5. (a) What is a full-adder? Write the truth table for a full-adder and develop its logic network.

(b) Explain the working of a half subtraction.

6. (a) Explain briefly about the various developments in computer technology.

(b) Explain briefly about the various developments in communications technology.






Here I am providing you some more papers as under:



Contact details:
Alagappa University
Railway Station Rd,
Alagappa Puram,
Karaikudi, Tamil Nadu

Attached Files

Old papers of Alagappa University.pdf (570.0 KB, 118 views)