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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?
ISDN handles data pertaining to? ISDN handles data pertaining to all digital services.
A sequential circuit is signified by a time sequence of external inputs, external outputs and internal flip-flop binary states. So firstly a state diagram and state table is used t
The Transmission-Gate input is linked to the D_LATCH data input (D), the control input to the Transmission-Gate is linked to the D_LATCH enable input (EN) and the Transmission-Gate
Use SAVE when you are revising an existing document. Use SAVE AS when you are making a new document from scratch or an existing document. This will remain the original document
Linked list means node which is linked each other with a line. It means that every node is connected with another one. Every node of the list hold the reference of the next node.
Define Congestion. Congestion: This is uneconomic to give sufficient equipment to carry all the traffic which could possibly be offered to a telecommunication system. Inside
Read in integers until a zero is read in. Keep a total of both the quantity and the sum of the negative integers and the positive integers. Once a zero is read in (signifying the
DLQ - Dead Letter Queue If an application tries to put a message to one more application and if it is not delivered then it goes to the DLQ. So DLQ is not anything but all und
What is pipelining? The overlapping of implementation of successive instructions is known as pipelining.
(1-x^2 ) (d^2 y)/?dx?^(2 ) -x dy/dx-4y=0
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