[Total No. of Pages : 1 ic- P8508 SEAT No. : 23 8 Total No. of Questions : 4] C 8.2 E 16 .23 GP 80 0 7/1 13 0/2 0 02 91 21 3:4 2:1 5s tat Oct-22/BE/Insem - 106 B.E. (Information Technology) MOBILE COMPUTING (2019 Pattern ) (Semester - VII) (Elective - III) (414444A) [Max. Marks : 30 23 8 Time : 1 Hour] Instructions to the candidates: 1) Answer the Q.1 or Q.2, Q.3 or Q.4. 2) Neat diagrams must be drawn wherever necessary. 3) Figures to the right indicate full marks. 4) Assume Suitable data if necessary. b) Compare the merits and demerits of TDMA and FDMA multiple access schemes. [5] 5s tat 2:1 02 01 [5] 0/2 GP Explain with diagram far and near terminal problem. 8 80 7/1 Explain carrier sense Multiple access with collision avoidance (CSMA/CA). [5] CE b) [5] 21 30 Write short note on : Telecommunication generations. OR Q2) a) 3:4 91 49 c) ic- What is mobile computing? Explain various functions of mobile computing. [5] .24 Q1) a) tat 16 [5] [5] 3:4 91 Enlist the characteristics of SIM. 2:1 5s 8.2 .24 Q3) a) Explain in detail Packet Reservation Multiple Access (PRMA). 49 c) ic- .23 23 What is the Reason for implementing CSMA with CA strategy in wireless networks? c) Explain in detail the frequency allocation in GSM. 02 7/1 0/2 01 Write short notes on : UMTS. CE Q4) a) GP OR 21 With the help of a neat sketch, describe GSM Network architecture. [5] 30 b) [5] [5] What you meant by security in GSM? Explain about that in detail? [5] c) With the help of a neat sketch, describe GPRS architecture. 8.2 16 .23 1 49 .24 Oct-22/BE/Insem - 106 80 b) [5]