NIELIT Question Paper : B Level Course Wireless & Mobile Communication
Institute : National Institute of Electronics and Information Technology (nielit.gov.in)
Course : B Level Course
Subject Code/Name : BE11-R4/Wireless And Mobile Communication
Document Type : Old Question Paper
Location : India
Website : nielit.gov.in
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Wireless And Mobile Communication Sample Paper :
BE11-R4:
NOTE:
Time: 3 Hours
Total Marks: 100
1. a) What are the key characteristics of Palm OS?
b) Discuss the advantages of Slotted ALOHA over Pure ALOHA.
Related : NIELIT Question Paper B Level Course Software Testing & Quality Management : www.pdfquestion.in/7097.html
c) What are the steps undertaken in the GSM system to ensure transmission security?
d) What are the differences between Infrastructure and Adhoc network.
e) With the help of suitable diagram, explain Packet Switching Technique.
f) What are the key characteristics of Personal Area Network?
g) How can a computer or laptop be connected to Wi-Max network? (7×4)
2. a) Draw Bluetooth protocol stack and write down functionality of each layer.
b) Handover is described as “When user moves from one location to another location, Base Transceiver Station (BTS) is changed automatically”. What are the types of handover and explain each in brief. (10+8)
3. a) What are the design goals of WLAN?
b) What is Wireless in Local Loop (WLL)? How does it work to support mobile user?
c) How is SMS delivered to the destination cellular phone? (6+6+6)
4. a) Draw and explain Architecture of GPRS.
b) Explain IS-95 Digital Cellular standards. (10+8)
5. a) Windows CE is developed by Microsoft. What are the development tools supported in windows CE?
b) Explain Following Terms:
i) Location Update Procedure
ii) Temporary Mobile Subscriber Identity (TMSI)
iii) Location Area
iv) Routing Area (6+12)
6. a) General Packet Radio Service (GPRS) is mainly used to access internet. Explain GPRS Protocol Stack.
b) Multiple users can talk to each other, because of Frequency Reuse concept of GSM. Write frequency range allocated to GSM and explain how frequency allocation works. (9+9)
7. a) Global System for Mobile communication is spread worldwide to provide voice communication, irrespective of location of user. Explain GSM Protocol Stack.
b) What are the qualities of services provided by 3G networks?
c) What is the security algorithms used in GSM for authentication and data encryption? (6+6+6)
Accounting And Financial Management System :
1. a) A bank granted a loan of Rs.12,34,800 repayable in 4 equal installments in the ratio of 1:2:3:4 respectively, beginning with the end of 1st year. Determine the amount of installment if effective rate of interest is 18% p.a.
b) A company has a Profit-Volume ratio of 40%. By what percentage must the sales be increased to offset the effect of 10% reduction in selling price? Support your answer with calculations.
c) Stock turnover ratio is 5 times, cash sales is 1/3 of total sales, Net credit sales Rs. 16,80,000, Gross Profit is 1/3 of cost. Calculate opening and closing stock if stock in the beginning is 2.5 times of that at the end.
d) A firm has sales of Rs.80 Lakhs, variable cost of Rs.50 Lakhs, Fixed cost of Rs.12 Lakhs; 10% Debentures of Rs.60 Lakhs and Equity Capital of Rs.90 Lakhs. You are required to calculate its Financial Leverage.
e) A company offers a Fixed Deposit Scheme whereby Rs.10,000 matures to Rs.12,544 after 2 years on a yearly compounding basis. What will be the revised maturity value of the deposit, if the company wishes to amend the scheme by compounding interest on (i) Half yearly basis;(ii) Quarterly basis; (iii) Monthly basis?
f) Decide whether the following expenditures are capital, revenue or deferred revenue and also state their amount with appropriate justification for the decision.
i) Repairing and white wash of a Cineplex at a cost of Rs.28,00,000 including the cost of digital sound system that costed Rs.15,00,000.
ii) Erection of a shed with asbestos sheet roof in a college for parking the vehicles of students at a cost of Rs.15,000.
g) The current market price of a share of a company is Rs.100. the company’s current earnings are Rs.20,00,000. Its shares outstanding are 2,00,000. The company wants to raise additional funds of Rs.6,00,000. The floatation cost is Rs.10 per share (10%) and the company can sell shares at a discount of 10%. Find out the cost of equity assuming that the company’s earnings are stable. (7×4)