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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?
Write pseudo code to implement the pthread_create wrapper of the Tern memoizer. Note you need to describe your data structure for maintaining deterministic thread IDs. In addition,
What disadvantages are there to this two-level directory? Without other provisions, two users who require cooperating with each other are hampered in reaching every other's fi
DESIGN GOALS OF WINDOWS XP.DESCRIBE IN DETAIL.
Define a state which is not a fundamental process state Answer: Blocked state is not a fundamental process state
Q. Define the difference among pre-emptive and non pre-emptive scheduling. Answer: Pre-emptive scheduling permits a process to be interrupted in the midst of its execution ta
For the first assignment you are required to construct a logic circuit onto a copper clad circuit board (vero board). This construction will require the use of planning the positio
What are the methods for handling deadlocks? The deadlock problem can be dealt with in one of the three ways: a. Use a protocol to prevent or avoid deadlocks, ensuring that
Explain about demand paging? A demand paging system is same to a paging system with swapping. Processes reside on secondary memory. When we require executing a process, we chan
To explore the UNIX file system, use basic UNIX commands and use a text editor. Task: 1. Logon to Linux. 2. Create a directory "Unix" under your home d
Q. Explain the differences in terms of cost between the three storage types nonvolatile, volatile and stable. Answer: Volatile storage refers to main as well as cache memory an
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