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Question

The simultaneous processing of two or more programs by multiple processors is

A
multiprogramming
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B
multitasking
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C
time-sharing
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D
multiprocessing
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Solution

The correct option is D multiprocessing

The simultaneous processing of two or more programs by multiple processors is multiprocessing

Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system. The term also refers to the ability of a system to support more than one processor or the ability to allocate tasks between them.

In multiprocessing system, a computer uses more than one CPU at a tme. Multitasking - Multitasking is the ability of an operating system to execute more than one task simultaneously on single processor machine, these multiple tasks share common resources such as CPU and memory.

A computer's capability to process more than one task simultaneously is called multiprocessing. A multiprocessing operating system is capable of running many programs simultaneously, and most modern network operating systems (NOSs) support multiprocessing. These operating systems include Windows NT, 2000, XP, and Unix.

The advantages of the multiprocessing system are: Increased Throughput − By increasing the number of processors, more work can be completed in a unit time. Cost Saving − Parallel system shares the memory, buses, peripherals etc. Multiprocessor system thus saves money as compared to multiple single systems.


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