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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?
How many flip flops are required to construct a decade counter ? Ans. 4 FlipFlop's are required because decade counter counts 10 states from 0 to 9 (that is from 0000 to 1001).
State 0 Source control is being dragged with the variety of a target. 1 Out of the variety of a target. 2 One position in the target to one another.
Define thread cancellation & target thread. The thread cancellation is the task of terminating a thread before it has done. A thread that is to be cancelled is often referred
Name the dynamic memory allocation function? Three dynamic memory allocation functions are: a) malloc, b) calloc and c) free.
Q. Explain the Memory Transfer process? Memory Transfer Transfer of information from memory to outside world which implies I/O Interface is known as a read operation. Tra
The effect of tree supply on death rate depends upon a ratio comparing the number of trees that are actually available per person per year to the desired number of trees per pers
Security features used in Client-Server types of network are as follows : i) Digital Signatures ii) Encryption / Decryption iii) Secure Socket Layer (SSL) iv) Firewa
Q. Explain about Karnaugh Maps? Karnaugh maps are a suitable way of expressing and simplifying Boolean function of 2 to 6 variables. The stepwise process for Karnaugh map is.
Two Layer Artificial Neural Networks: However decision trees are whenever powerful they are as a simple representation scheme. Whereas graphical on the surface that they can b
What is the best way offload responsibility? The best way to offload responsibilities is to purchase services through a Service Provider. ISPs, customers and Service Provide
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