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Question

The simultaneous execution of two or more instructions is called-

A
Sequential Access
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B
Reduced Instruction set computing
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C
Multiprocessing
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D
None of these
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Solution

The correct option is C Multiprocessing

The simultaneous execution of two or more instructions is called 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.

Symmetric Multiprocessing System : In a symmetric multiprocessor system, all of the processors arc essentially identical and perform identical functions. ...

Asymmetric Multiprocessing System : Asymmetry implies imbalance or some difference between processors.

These operating systems include Windows NT, 2000, XP, and Unix. Although Unix is one of the most widely used multiprocessing systems, there are others. For many years, OS/2 has been the choice for high-end workstations. OS/2 has been a standard operating system for businesses running complex computer programs from IBM.

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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