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.
Hash function: A function employed to generate a hash code from the random contents of an object. The classes can override the hash Value method, inherited from the Object class, to state their own hash function.
Illustrate the basic features of OOPs?
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Task 3 Explain the effect of the following pictures: 05 FIELD-1 PIC Z(5)9. 05 FIELD-2 PIC £(5)9.99. 05 FIELD-3 PIC £**,***.99. 05 FIELD-4 PIC £££,££9.99DB. 05
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Constructor: A constructor is automatically called whenever an instance of its class is formed. A constructor always has similar name as its class, and encompass no return type. For example: public
Define the term Multiprogramming system: It is an operating system which is able to run multiple programs parallel.
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