Thursday, July 2, 2009
at
3:45 AM
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Layered Approach
- The operating system is divided into a number of layers (levels), each built on top of lower layers. The bottom layer (layer 0), is the hardware; the highest (layer N) is the user interface.
- With modularity, layers are selected such that each uses functions (operations) and services of only lower-level layers.
Posted by
Roger
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os 3
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