Describe the term Context Switch
Describe the term Context Switch.
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Switching the CPU to other process needs saving the state of the old process and loading the saved state for a few process. This task is termed as a context switches. Context-switch time is pure overhead, since the system does no useful work when switching. Speed of this varies from machine to machine, depending upon the memory speed and the number of registers that must be copied, existed of special instructions (like a single instruction to load or store each register).
Default label: The destination for all values employed in a switch statement expression which do not contain explicit case labels. The default label is not obligatory.
Catching exceptions: Exceptions are caught in the catch clause of the try statement. Catching an exception provides the program a chance to recover from the trouble or attempt a repair for whatsoever caused it.
Write a function that takes an integer value and returns the number with its digits reversed. For example, given 7631, the function should return 1367.
Normal 0 false false
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What do you mean by the term program counter? Write down its use?
Pattern: It is a recurring theme in class usage or design. Interfaces like Iterator encapsulate a pattern of admission to the items in a collection, whereas freeing the client from the requirement to know details of the way in which the collection is
Try statement: The try statement performs as an exception handler - a position where exception objects are caught and dealt with. In its most common form, it comprises of a try clause, one or more catch clauses and the finally clause.
Create a vector representing x coordinates of a measurement with 20 points between 0 and 10. Create another vector y representing fake measurements which are related to the above x values as y = 2.3 x – 1.2. Next add random (normal, Gaussian) noise to the vector
Explain the signing mandatory within S60 3rd Edition.
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