Purpose of exec functions
Specify the purpose of exec functions?
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Whenever a process calls one of the exec functions, that particular process is fully replaced through the new program. New program starts its execution from the main function. The processed does not alters across an exec since a new process is not created. However, this function substitutes the current process with the new program from the disk.
In .NET, write a simple web service in C# to generate uniform random numbers. Use the class System.Random to generate the random numbers. What part of the code is specifically associated with web services? How could you deploy the web service?
Define the term Top level class: It is a class defined either at outermost level of a package or the static nested class.
Write down some of the restrictions imposed by using a Security Manager on Applets?
What do you mean by the term source and listener?
Illustrate the term programming analysis and design in brief.
Factory pattern: A pattern of class definition which is employed as a generator of instances of other classes. Frequently employed to form platform- or locale-particular implementations of abstract classes or interfaces. This decreases coupling betwee
Modem: It is a modulator-demodulator. A hardware device employed to connect a digital computer to an analogue telephone network by making analogue signals into digital signals, and vice-versa.
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Explain Downcast with example: It is a cast towards an object's dynamic kind - that is, `down' the inheritance hierarchy. For illustration: // Downcast from Object to String
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