Wednesday, December 5, 2012

Important Question In Optical Communication And Networking EC2402 For Nov/Dec 2012 Anna University Examinations

Anna University, Chennai Nov/Dec 2012 Examinations Important Questions
Optical Communication And Networking EC2402
Unit I-V
1.     Discuss the mode theory of circular waveguide
2.     Discuss the propagation modes in single -mode fiber
3.     What are the fiber modes? Explain mode theory for optical fibers in detail
4.     Compare Single mode fibers and Graded index fibers. Explain the requirements for fiber materials
5.     Explain various types of fiber splicing techniques and fiber connectors
6.     Discuss various kinds of losses that an optical signal might suffer while propagating through fiber, Which is most important one? What is the effect of these losses on light power and pulse shape
7.      Derive an expression for material dispersion
8.     Discuss the signal distortion in single mode fibers
9.     Discuss the LASER diode principle , modes and threshold conditions
10.Derive the internal quantum efficiency of an LED.
11. Describe the characteristic of responsivity against wavelength for an ideal silicon photodiode with the help of its expression
12.Derive the internal quantum efficiency and shows the variation in threshold current with temperature for ILD
13. Draw and explain the operation of high impedance FET and BJT preamplifiers
14.Explain the error sources of fundamental receiver operations. Discuss the performance of digital receiver by defining the probability of error
15. Explain the following i) Fiber attenuation measurements, ii) Fiber cutoff wavelength measurements
16.Explain fiber diameter and numerical aperture measurements
17. Explain the basic frame structure and network architecture of SONET
18.Explain the salient feature of solitions using relevant expressions and diagrams
19.Explain the Ultra high capacity WDM systems and discuss the system performance of WDM and EDFA Important Questions Mobile and Pervasive Computing CS2402 for Anna University,Chennai Nov/Dec 2012 Examination

Anna University, Chennai Nov/Dec 2012 Examinations Important Questions
Mobile and Pervasive Computing CS2402 
Unit I-V
1.     Explain space Frequency, code & Time division multiplexing in detail
2.     Explain in detail the architecture of GSM SYSTEM.
3.     Explain in detail the application of GPRS.
4.     Define spread spectrum ? explain the concept of spread spectrum in detail.
5.     Describe the architecture of BLUE TOOTH.
6.     Briefly describe the architecture of IEEE 802.11.
7.       Describe Hiperlan architecture with suitable diagrams.
8.     Explain the Concept of Mobile IP  with neat example.
9.      Explain pro-active & reactive routing protocol in ad hoc networks with neat example.
10. Discuss in detail the Concept of Optimization in Mobil IP with neat diagram
11. Describe the WAP architecture with relevant diagram
12.Explain the role of WWW in support for mobility
13. Describe DHCP and indirect TCP in detail.
14. Illustrate the applications of pervasive computing.
15.  Describe pervasive web application architecture with neat diagram
16.What is Ubiquitous Computing? Explain how it is supported in Mobile Environment.

Important Notifications
1.     Admit Card Download : Candidates can download the admit card from the GATE Online Applicant Interface from 5 pm on 10 December 2012 (and not on 5 December 2012, as announced earlier).  Any inconvenience caused is deeply regretted.
2.     Change of Exam City:  The deadline for city change requests is now passed and no further requests for a change will be entertained.
3.     Applicants, who have posted their application (hardcopy) along with the necessary documents before the due date (8 October 2012), are advised to check their application status online and with India Post Website. In case of any discrepancy, they must contact the corresponding Zonal GATE office immediately,  along with the documentary proof of posting the application before the due date.

Important Questions In MA2211 Transform and Partial Differential Equations For Nov/Dec 2012 AU.Chennai

Anna University, Chennai Nov/Dec 2012 Examinations Important Questions 
MA2211 Transform and Partial Differential Equation 
Unit I-V