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

None
Multi level implementation
Single level implementation
Two level implementation

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Operating System (OS)
Which of the following refers to the associative memory?

there is no need for an address i.e. the data is used as an address
None of these
the address of the data is generated by the CPU
the address of the data is supplied by the users
the data are accessed sequentially

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Operating System (OS)
Most of the microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because

they are memory resident
they are initially stored on disk
None of these
they are partly in primary memory and partly on disk
they are available on magnetic tapes

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