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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?
Q. Describe types of complements? There are two kinds of complements for a number of base (also known as radix) r. These are known as r's complement and (r- 1)'s complement. Fo
Define setup time and hold time, what will occur when there is setup time and hold tine violation, how to overcome it? For Synchronous flip-flops, we have particular requiremen
complete notes
Q. Operation codes used in assembly instructions? Now let's describe various operation codes needed for this machine so that we can translate High level language instructions t
What are the dynapro keywords? FIELD, MODULE, SELECT, VALUES and CHAIN are the dynapro keywords
Q. Rules for calling assembly subroutines from? The rules for calling assembly subroutines from C are: (i) Memory model: The calling program and called assembly programs sh
What is a Region? A Region is a continuous area of a process's address space (like text, data and stack). The kernel in a "Region Table" that is local to the process mainta
What is graceful degradation? In multiprocessor systems, failure of one processor will not halt the system, but only slow it down by sharing the work of failure system by other
Objects, messages, class, inheritance and polymorphism are the major concepts of object orientation.
Q. Average data transfer rate in floppy? A floppy is about 0.64 mm thick and is available in diameters 5.25 inch and 3.5 inch. Data are arranged in form of tracks and sectors.
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