Quelpr
4 marksOperating System Functions and Architecture

CAPE Computer Science Unit 2 · 2011 · Paper 2 · Question 6(a)(i)

Operating systems processing, file protection, interrupts, deadlocks, and scheduling.

Distinguish between a 'batch processing system' and a 'multi-user system'.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(ii)Name ONE application for which a batch processing system is used.[1 mark]
  2. 6(a)(iii)Name ONE application for which a multi-user system would be appropriate.[1 mark]
  3. 6(b)Describe TWO ways in which files can be protected.[4 marks]
  4. 6(c)(i)State what an interrupt is.[1 mark]
  5. 6(c)(ii)Briefly explain how an interrupt is handled by the processor.[3 marks]
  6. 6(d)(i)State the term used to describe the difficulty depicted in the diagram involving Process A, Process B, Resource 1, and Resource 2.[1 mark]
  7. 6(d)(ii)Outline the conditions under which such an event would occur.[3 marks]
  8. 6(d)(iii)Explain TWO ways in which the difficulty outlined in part d(i) could be resolved.[4 marks]
  9. 6(e)Briefly explain how the round-robin scheduling algorithm works.[3 marks]

More practice: the rest of this paper · more Operating System Functions and Architecture questions · all CAPE Computer Science Unit 2 past papers