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Processors operate on one shared memory.
Center for Research on Parallel Computation . If the laundry has been piling up, explains the director of the Center for Research on Parallel Computation in Houston, you can spend several hours washing it all in your machine at home. If you drive to the laundromat, however, and distribute it in several machines that all work at the same time, you shrink your time commitment by several hours. Parallel processing has its roots in scientific industries, although its reach is slowly extending to the business world. The best candidates for parallel processing are projects that require many different computations.