Introduction to operating system

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Across
  1. 2. is an example of a single user
  2. 5. is one of the popular operating systems used in computers and laptops
  3. 9. is a system of software which serves as an interface between a user and a computer
  4. 10. device mostly use android and iOS as mobile os
  5. 11. player is familiar application software to play audio, video files and etc
Down
  1. 1. types of operating system are there
  2. 3. will be used to perform a task at a time in a OS
  3. 4. is an application software to create text document
  4. 6. is a type of operating system
  5. 7. software is a set of programs to perform specific task
  6. 8. processor is an example of system software
  7. 10. user can also help us to communicate with each other