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SMP definition

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The chief characteristics of SMP are as listed below;

  1. There are two or more similar processors of comparable capability. 
  2. These processors share the same main memory and I/O facilities and are interconnected by a bus or other internal connection scheme, such that memory access time is approximately the same for each processor. 
  3. All processors share access to I/O devices, either through the same channels or through different channels that provide paths to the same device. 
  4. All processors can perform the same functions (hence the term symmetric). 
  5. The system is controlled by an integrated operating system that provides interaction between processors and their programs at the job, task, file, and data element levels.

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