Operating_system_2

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Across
  1. 3. to terminate a connection to a computer or network
  2. 4. an open source version of unix developed by a volunteer team of programmers around the world
  3. 5. capable of being used without modification
  4. 8. an external computer add-on, such as a printer or a scanner; also known as an 'accessory'
  5. 9. a software program which allows a user to perform specific tasks such as word processing, email, accounting, database management
  6. 11. a software program which mimics the performance of one or more hardware devices in order to run software independently of the actual hardware
  7. 15. to end a program or a process before its completion
  8. 16. any program designed to run on a computer
  9. 18. to enter information related to an account name and its password in order to access a computer resource
  10. 20. a program/code which allows programmers to change the original software as much as they like
  11. 21. concurrent execution of two or more tasks by a processor
  12. 23. an error in a computer program
  13. 24. something a computer program must do; these are often reasons to use a particular program or upgrade to a more recent version
  14. 25. physical things that make up a computer, such as a component or a peripheral
  15. 27. to start a program on a computer
Down
  1. 1. a person who uses a product or service on a computer
  2. 2. any device internal to the computer, such as a primary hard disk drive or motherboard.
  3. 6. a software link between a computer and an operator; it provides a framework for productivity software such as an office suite, a web browser, or programming languages
  4. 7. a method of packing data in order to save disk storage space or download time
  5. 10. an organized, electronic collection of information optimized for fast access and typically consisting rows, columns, indexes, and keys
  6. 12. a group of connected computers which share resources
  7. 13. privately developed and owned technology
  8. 14. an incorrect action attributable to poor judgment, ignorance, or inattention
  9. 17. a computer failure due to faulty hardware or a serious software bug
  10. 19. a person who writes or modifies computer programs or applications
  11. 22. the largest known public network in the world, connecting millions of computers around the world
  12. 26. literally meaning 'that which is given', this term refers to raw information of any kind