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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?
Determine the equation for the y and truth table for the circuits
Q. Data transfer between two processes? Communication: Data transfer between two processes is essential for some time. Both processes are on the one computer or on different
Smith, who is a civil engineer, purchased a 30-hectare block of land in Australia in 1986 and used two hectares of it as a main residence. The part that was not main residence cost
How do we keep track of where the free pieces of memory are? One idea is to maintain a set of linked-lists of free space; each linked-list will store free chunks of some given size
what is network operating? explain about it design issues?
How could we implement locks? No matter how we choose to implement them, we must have some hardware support. One possibility for implementing locks on a uniprocessor machine is is
The physical memory acts as a cache backed by the disk. When the physical memory is full, and we want to read in another page from disk, we have to evict a page from physical memor
Question: a) What special measures must be taken to ensure the reliability, availability, and security of electronic commerce and digital business process? b) What are the c
What is an operating system? An operating system is a program that acts as a mediator between a user and the computer hardware. The function of an operating system is to provid
What is an acyclic graph? A tree that has been corrupted by links to other branches, but does not have any cyclic paths in it.
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