Questions : BCA 2nd Year (magadh University)

BCA Paper -III (2006)

1. WAP to find the simple interest.

2. differentiate between a lan and an. what is a communication protocol? what are he normal functions    

    performed by there protocol.

3. explain the principle of duality  boolean algebra construct logic diagram for the Booolean expression    

     using AND/OR/NOT gates

A.B+A.B

(A+B).(A.B)

4. explain the store and forward method f message switchiing. Give the dvantage and disadvantage of  

     this message switcing technique what is package switching.

5. WAP to find the average of the no entered from keyboard.

6. WAP are half adder a full dder construct. logic circuit diagram for a half adder using only either NAND

     or NOR gates.

7. what is a repeter? what are encoder and decoder

8. write short notes on

a.optical fibre,

b.ISO-03I MOdel

c.K-Maps

9.satellite communication diifferent question of computer language serial and parellel communication.