Multiple choice

Two basic types of operating system are

  1. Sequential and direct

  2. Batch and time sharing

  3. Sequential and real time

  4. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The given options are incorrect categorizations. Basic OS types include batch, time-sharing, real-time, distributed, and network systems - not 'sequential and direct', 'sequential and real time', or just 'batch and time sharing'. Sequential is an access method, not an OS type. Therefore 'None of the above' is correct.

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