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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?
Data is to be transmitted using a modem at 9600 bps. Determine the minimum bandwidth of the system with the following modulation methods (a) FSK (b) ASK. Use the excess bandwidth f
What are assembler directives? Ans: These are the instructions that direct the program to be executed. They have no binary corresponding so they are called pseudo-opcodes. The
Three dissimilar types of convergences are: 1. The convergence of e-commerce and wireless technology 2. The Convergence of E-Commerce and IP Business-Grade Messaging 3
Question: a) What is the main difference between the Princeton and Harvard microprocessor architectures? b) State five main differences between CISC and RISC architectures?
The most useful feature of an expert system is the high level expertise it provides to aid in problem solving. This expertise can represent the best thinking of the top
Discuss about OS as system software? OS is a large program or actually a collection of routines that is used to control the sharing of and interaction between various computer
ID3 algorithm: Further for the calculation for information gain is the most difficult part of this algorithm. Hence ID3 performs a search whereby the search states are decisio
Why does Ethernet specify a minimum frame size. Ethernet frame gives a minimum frame size of 46 bytes. Whereas a data field of zero byte is legal, this causes a problem. While
types of internal conditioning with explanations and examples
What is a digital multiplexer? Ans: Multiplexer: Data selector or MUX is a logic circuit selects binary information from one of several input and directs this to a sing
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