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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:24 | ISBN:9780763704445 | Edition: 3

Question

24. Why is it that if MARIE has 4K words of main memory, addresses must have 12 bits?

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Answer

The  model computer, the Machine Architecture that is Really Intuitive and Easy (MARIE) was designed for the singular purpose of illustrating basic computer system concepts.This system is too simple to do anything useful in the real world, a deep understanding of its functions will enable you to comprehend system architectures that are much more complex.

MARIE architecture consists of some characteristics .

  •  Binary, two's complement data representation
  • Stored program, fixed word length data and instructions.
  •  4K words of word-addressable main memory.
  •  16-bit data words.

Due to its architecture characteristics MARIE addresses must have 12 bits .

 

 

 

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