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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?
Heat Transfer Coursework An internal combustion engine of a passenger car is operating at steady state conditions e.g. constant speed (r.p.m.) and load (torque), so the engine
Q. Terminates a particular PVM process? int pvm_kill( int tid ) Terminates a particular PVM process. tid Integer task identifier of PVM process to be killed (not itself).
Explain Deadlock in operating system ? Deadlock: all process in a set of processes is waiting for an event which only a process in the set can cause.
A interrupt that can be turned off by the programmer is called as Maskable interrupt.
Explain SR Latch with NAND Gate? SR Latch has two useful states: Set state, when output Q=1 and Q'=0. Reset state, when output Q=0 and Q'=1.Output Qand Q' are normally
given a string S convert it to palindrome by doing character replacement.convert S to palindrome with minimum character replacements
write a program to find the area under the curve y=f(x) between x=a and y=b integrate y=f(x) between the limits of a and b. the area under a curve between two points can be found b
Combinatorial and Scheduling Problems: One class of problems is concerned with specifying optimal scheduled. A classical example is the Travelling Salesperson Problem where
The Gantt chart shows the several activities of each processor with respect to progress in time in idle-overhead -busy modes with respect to each processor. Kiviat diagram: Th
Place some text wherever. Then click "Create path from text" in the "Text tool option" window. Then use "Edit" -> "Stroke path" and choose the appropriate options in the following
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