Computer Crossword Puzzel

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Across
  1. 3. is the abbreviation for central processing unit. Sometimes referred to simply as the central processor.
  2. 4. Memory enables a computer to store, at least temporarily, data and programs.
  3. 7. a computer or computer program that manages access to a centralized resource or service in a network.
  4. 8. an instrument or device used for observing, checking, or keeping a continuous record of a process or quantity.
  5. 10. an electronic device for storing and processing data.
  6. 12. an object on a computer that stores data, information, settings, or commands
  7. 13. a panel of keys that operate a computer or typewriter.
  8. 16. a global computer network providing a variety of information and communication facilities,
  9. 18. is a system designed to prevent unauthorized access to or from a private network.
  10. 20. A small text file (up to 4KB) created by a website that is stored in the user's computer either temporarily for that session only or permanently on the hard disk.
  11. 21. is a way to organize computer files.
  12. 22. irrelevant or inappropriate messages sent on the Internet to a large number of recipients
Down
  1. 1. move along a flat surface and can move the on-screen cursor to different items on the screen.
  2. 2. is an image that represents an application, a capability, or some other concept or specific entity with meaning for the user.
  3. 5. the working surface of a desk.
  4. 6. tools, machinery, and other durable equipment.
  5. 9. System system software that manages computer hardware and software resources and provides common services for computer programs.
  6. 11. flash drive small enough to carry on a key ring, that can be used with any computer that has a USB port.
  7. 14. copy (data) from one computer system to another, typically over the Internet.
  8. 15. is popular among computer scientists and is used in a wide variety of situations.
  9. 17. a program with a graphical user interface for displaying HTML files, used to navigate the World Wide Web.
  10. 19. with reference to a computer system) boot or be booted again.
  11. 20. In computing, a crash (or system crash) occurs when a computer program, such as a software application or an operating system, stops