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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?
What are the basic approaches to the design of subscriber access to Strowger systems? Describe them. A step by step switching system has three main parts as demonstrated in fig
Which Texts in the text elements of the program helps in changing the displayed names of variables in the parameters statement. Selection text in the elements of the program
BCD to gray converter using 2:1 multiplexer
Question : a) E-mail is a common feature nowadays in IT. What does it stands for and what is it used for? b) Briefly describe four advantages of using the electronic mail s
The addressing specially used by Transport Layer is? The addressing particularly used through transport layer is application port address.
What is port? What are the types of port available? An I/O interface having of circuitry needed to connect an I/O device to computer bus. One side consists of a data path with
Q. Describe Big Notation? Big O Notation : The set O (g(n)) comprises all functions f(n) for that there exists positive constants c such that for satisfactorily large values
Describe five bit even parity checker. Ans: Five bit even parity checker: EX-OR gates are utilized for checking the parity as they generate output 1, while the input ha
Explain deadlock detection algorithm for single instance of each resource type. For single instance of each resource type the deadlock detection algorithm: (i) Maintain a wa
Traffic Capacity is given by? Traffic Capacity = Switching capacity × Theoretical maximum load.
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