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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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
Absolute filename: It is a filename whose full path is unambiguously provided starting from the top (that is, root) of a file system tree. For example: c:\Java\bin\javac.exe
Build a procedure named STATUS_SHIP_SP which permits a company to employee in the Shipping Department to update the status of an order to add up shipping information. The BB_BASKETSTATUS table maintains a list of events for each order and hence a shopper can see the c
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Illustrate the term programming analysis and design in brief.
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Unchecked exception: An exception for which it is not needed to give a local try statement or to propagate through a throws clause stated in the method header. An exception which is not handled will cause program annihilation when it is thrown.
State the term web service?
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