PTU BCA 1st Semester Paper 2012 Computer networks Punjab Technical University Exam 2012 1st Sem Computer networks Test September and March Question Paper Free Download Punjab Technical University Computer networks Question Papers 2012 PTU BCA 1st Semester Question Paper 2012 for all students Previous Year old Past Papers of PTU BCA 1st Sem Paper 2012 Computer networks Punjab Technical University September 2012 and March 2012 Exam BCA 1st Semester Sample Model Question Papers Free Download PDF
2. Draw a flow chart showing how asynchronous serial data can be sent from a port line using a software routine.
3. Given the data word 1010011010 and the divisor 10111 show the generation of codeword at the sender side and checking at the receiver side.
4. Discuss the architecture of OSI Model.
5. The attenuation of a signal is —12Db. What is the final signal power if it was originally 4 W
6. Write a detailed note on Circuit switching.
7. Describe the role of DIE devices in communication
8. Write a short note on Infrared Transmission.
9. Differentiate between HIJLC & SDLC.
10. Discuss the modes for propagating light along optical channels.
ii. Discuss the basic principles used in defining the OSI layers.
12. Explain the use of hamming code for error detection with the help of suitable example.
13. Differentiate between microwave and radio transmission.
PTU BCA 1st Sem Paper 2012 Computer networks