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Encyclopedic overview
PSW may refer to: PSW Science, the oldest scientific society in Washington, D.C. Personal Support Worker, Canada PlayStation World, a UK magazine Program status word, a control register in IBM mainframe computers Baillie–PSW primality test in mathematics Part Submission Warrant in production part approval process Post Study Work Visa, UK
Excerpted from Wikipedia’s “PSW” article, available under the CC BY-SA 4.0 licence.