Operating System (OS)
In which type of the following OS, the response time is very crucial.

Batch Operating System
Real Time Operating System
Unix Operating System
Network Operating System

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

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