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Question:
a) With the help of a diagram, describe clusters in cellular systems.
b) Describe the role of the following components in the GSM architecture
c) Briefly describe a popular 3G system.
d) What is the ISM band and what is particular about this frequency band? Name two wireless technologies that make use of the ISM frequency band.
e) What is a piconet in a Bluetooth context? Discuss the concept of Master, slave, stand-by and parked devices with respect to a Bluetooth piconet.
f) Consider the security aspects in both Wireless Local Area Networks (LANs) and Personal Area Networks (PANs).
i) What are the security problems introduced in Wireless LANs and PANs?
ii) What level of security can the IEEE 802.11 and Bluetooth standards provide?
Question: (a) Program instructions and data are brought into memory first, in order to be executed. Explain how the CPU enables an instruction to be executed? (b) Describe
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Q. Show the Code Conversion with example? The conversion of data from one form to another is required. Consequently we will discuss an illustration for converting a hexadecimal
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Explain the generic framework for electronic commerce along with suitable diagram? Generic Framework for electronic commerce comprises the Applications of EC (as like banking,
How does multiplexer know which line to select? This is managed by select lines. The select lines provide communication among different components of a computer. Now let's see
What are the two ways in which the system using cache can proceed for a write operation? Write by protocol technique Write-back or Copy-back protocol method
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