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Question:
(a) What are the main challenges for Mobile Computing?
(b) 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.
(c) Describe 5 effects that can disturb signal propagation.
(d) What is meant by digital modulation? Illustrate you answer with a diagram.
(e) How could you modify the basic phase shift keying modulation technique to improve efficiency?
What are the various scheduling criteria for CPU scheduling? The various scheduling criteria are CPU utilization
Describe paging technique used in UNIX systems. When a process begin in UNIX, not every its memory pages are read in from the disk at once. In its place, the kernel loads into
How File record length should be chosen File record length should be selected to match the data characteristics
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a
EXPLAIN THE SCAN SHUDDULING WITH DIAGRAM
how is it possible
justify the role played by the operating system in managing the process to avoid deadlock
What is an operating system and what are the different types of operating systems? Operating System An Operating System or OS is a software program that allows the compute
Define Virtual memory Virtual memory is employed in all major commercial operating systems
How Memory utilization factor shall be computed Memory utilization factor shall be defined as Memory in use/total memory connected
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