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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?
In a positive logic system, logic state 1 corresponds to ? Ans. For positive digital logic, we choose two voltages levels. Higher voltage shows logic 1 and a lower voltage sho
Determine about the Signals to televisions Signals to televisions are now sent digitally thus need a computer to interpret as well as decode these signals into a sound/picture;
No, You cannot apply the link and Association interchangeably. Since link is used show the relationship among the two objects. But Association is used signify the relationship
frequency tracking
Q. What do you mean by Decoders? Decoder transforms one kind of coded information to other form. A decoder has n inputs and one enable line (sort of selection line) and 2 n ou
Any identity or equality in Boolean algebra, suchas de Morgan's Theorem can be proved usingthe method of perfect induction. 1. All combinations of variables are written down.
Your task is to propose a business that has a Web presence on the Internet. Your business may be an online only business or a so-called "clicks and mortar" business. You
Logical shift A logical shift operation transfers 0 through serial input. We apply symbols shl and shr for logical shift left and shift right microoperations, examples:. R1
2) Consider the following neural network for two predictors Thickness and Alignment and two classes Print Quality High and Low. Some weights are shown in the table, including weigh
for division of two number
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