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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?
Unix process API The two most important function calls to use when programming with several processes are fork and exec: fork() creates a copy of current process. It gives
short note on context switching
What are the multithreading models? There are three models:- a) Many-to-One model b) One-to-One model c) Many-to-Many model
The producer-consumermodel above has a standard human analogy of an assembly line. Humans have specialized skills, however, whereas threads running the same program do not need to
Q. Explain about diffrent Process State? Process State When process executes, it changes its state. Process state is defined as the current activity of the process. Fi
Question : a) What do you understand by a Directory Structure? Support your answer with a diagram. b) Give an example how Access Lists and Groups are arranged to mode of
properies of Batch oriented and interactive operating system.
summary of what operating system do
Q. Explain the booting process for a Windows XP system? Answer: (1) Since the hardware powers on the BIOS begins executing From ROMand loads as well as executes the bootstrap
Explain the Resource Ownership and Control Operating systems are required to handle many different types of resources. CPU , memory, and I/O devices are some of the varied sys
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