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Authors:
Linda Null ,julia Lobur
Chapter:
Marie An Introduction To A Simple Computer
Exercise:
Review Of Essential Terms And Concepts
Question:4 | ISBN:9780763704445 | Edition: 3

Question

4. Where are registers located and what are the different types?

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Answer

A processor Register is a quickly accessible location available to a computer's processor.

Registers usually consist of a small amount of fast storage, although some registers have specific hardware functions, and may be read-only or write-only.

Types of Register in Computer Organization are :

  • AC ( accumulator )
  • DR ( Data registers )
  • AR ( Address registers )
  • PC ( Program counter )
  • MDR ( Memory data registers )
  • IR ( index registers )
  • MBR ( Memory buffer registers )

Computer Registers are designated by capital letters(sometimes followed by numerals ) to denote the function of the register.

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