Operating System (OS)
...... is used in operating system to separate mechanism from policy

None
Single level implementation
Multi level implementation
Two level implementation

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Operating System (OS)
A co-processor

Causes all processor to function equally
Is relatively easy to support in software
Works with any application
Is quite common in modern computer

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Operating System (OS)
Object code

is ready to execute
None of these
is the output of compilers, but not assemblers
must be rewritten before execution
must be "loaded" before execution

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