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Differentiate tightly coupled systems and loosely coupled systems?
Loosely coupled systems:-
Every processor has its own local memory
Every processor can communicate with other all through communication lines
Tightly coupled systems:-
Common memory is shared by lots of processors
No require of any special communication lines
With software algorithms for mutual exclusion, such as Dekker's algorithm, Peterson's algorithm, or Lamport's bakery algorithm, note that optimizing compilers and out-of-order exec
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