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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?
Choose the descriptions below with the most appropriate memory management scheme (A through D). Solutions may be used once, more than once, or not at all. A. Fixed-partitio
How many types of size categories and data classes are there? There are five size categories (0-4) and 11 data classes only three of which are suitable for application tables:
Loosely Coupled Systems These systems don't share global memory since shared memory concept increases the problem of memory conflicts, which consecutively slows down the
What is commitment unit? When out-of-order execution is permitted, a special control unit is required to guarantee in-order commitment. This is known as the commitment unit. It
What is the maximum size of a database that can be opened in Microsoft Access? Ans) 1 Gigabyte
Three state table buffers Three state table buffers: A bus system can be constructed with the help of three state gates instead of multiplexers. A three states gate is digital
What is the protocol used by SAP Gateway process? The SAP Gateway method communicates with the clients based on the TCP/IP Protocol.
An accessor is a class operation that does not change the state of an object in C++. The access or functions require to be declared as const operations
A UNIX device driver is ? Ans. A UNIX device driver is structured in two halves termed as top half and bottom half.
Q. Explain arithmetic shift Micro-operations? In arithmetic shift a signed binary number is shifted to right or to the left. So an arithmetic shift-left causes a number to be m
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