operating system basics

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Across
  1. 1. Which characteristic property allocates and de-allocates the resources and also decides who gets the resource
  2. 6. Operating System is which type of software
  3. 7. This is done to increase the CPU utilisation, so that many process can complete their execution without having to wait for too long
Down
  1. 2. it is a single user operating system
  2. 3. designed in such a way that it can manage the overall resources and operations of the computer
  3. 4. Which characteristic property prevents unauthorized access to programs and data
  4. 5. Which of the type of OS reads and reacts in terms of actual time