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.
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Control structure: A statement which affects the flow of control in a method. The typical control structures are if statements and loops.
Define the term Instance: It is a synonym for object. The objects of a class are instantiated whenever a class constructor is invoked through the new operator.
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