State the term multi programming
State the term multi programming.
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Multi programming:It is the technique of running various programs at a time by using timesharing.It permits a computer to do various things at same instant. It creates logical parallelism.The notion of multiprogramming is that the operating system keeps various jobs in memory concurrently. The operating system chooses a job from the job pool and begins executing a job, when such job requires waiting for any I/O operations the CPU is switched to other job. Therefore the main idea is that the central processing unit is never idle.
How does a virtual machine simplify the task of writing a distributed application?
Block: The statements and declarations are enclosed between a matching pair of curly brackets ({ and }). For example, a class body is a block, as it is a method body. The block surrounds a nested scope level.
Public interface: The members of a class prefixed with public access modifier. All these members are visible to each and every class in a program.
Propagation: When an exception is thrown in a method, and there is no suitable exception handler within the method, the exception might be propagated to the caller of the method. For a checked exception, the method should include a throws clause in it
Automated Testing: Software testing is the most generally used technique for verifying and validating software. While testing may not provide the same rigor as model checking, it is far more scalable and usually does not require a significant tool inf
Variable: It is the memory block of specific size where value can be stored and modified throughout program execution. Example: int x, float y, float amount, char c;
Define the term Key value: The object employed to produce an associated hash code for look-up in an associative data structure.
Cout: This is an object of ostream_withassign class stated in iostream.h header file
Explain the purpose of using XML.
Static method: The static method (also termed as a class method) is one with static reserved word in its header. The static methods vary from all other methods in that they are not related with any specific instance of the class to which they fit in.
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