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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?
Define parity bit and List its types. The most common error detection code used is the parity bit. Parity bit is a extra bit contained with a binary message to make the total n
expplain in detail the internal organisation of computer?
procedure of turning machine operation on markov algorithm
What is the need of a hybrid in telephone networks? Digital exchanges need receive and transmit signals upon separate two-wire circuits. It calls for two-wire to four-wire con
Q. Differentiate the Multiplexer and Demultiplexer with respect to their concept, block diagram and circuit. Q. What is the difference between Synchronous sequential circuits an
Shadow RAM is a copy of Basic Input/Output Operating System (BIOS) routines from read-only memory (ROM) into a particular area of random access memory (RAM) so that they can be acc
Using your cache simulator and using smalltex.din as your memory trace determine the total miss rate, compulsory miss rate, capacity miss rate, and conflict miss rate for the follo
Explain the Parallel Data Storage - application of flip flops? In digital systems, data are usually stored in groups of bits that represent numbers, codes, or other information
For this assignment you should construct a comprehensive web site for Dangar Winery of Puddledock Road Armidale, makers of fine table wines and ports since 1983. Chief winemaker, A
SS7 Protocol uses: (A) Out of band signalling. (B) Associated signalling. (C) Speech control signalling. (D) No signalling. Ans: SS7 Protocol uses Out of
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