Operating System - Unit I

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Across
  1. 3. Time between input and first output
  2. 5. when process encounters I/O operation it goes to
  3. 6. address of instruction to be executed next
  4. 7. Interrupt occurs process goesfrom “Running”state to
Down
  1. 1. Occurrence of an event is usually signaled by
  2. 2. Time sharing Operating System
  3. 4. is an interface to the OS services