Across
- 4. an electronic device for storing and processing data
- 6. an object on a computer that stores data, information, settings, or commands
- 11. a system of Internet servers that support specially formatted documents.
- 12. network security system designed to prevent unauthorized access
- 13. software that supports a computer's basic functions
- 15. panel of keys that operate a computer
- 16. device or program that enables a computer to transmit data over
- 18. a small piece of data sent from a website and stored on the user's computer
- 19. The global communication network
- 21. working surface of a desk.
- 22. client software program that runs that enables a user to navigate the World Wide Web
Down
- 1. the practice of sending unwanted email messages
- 2. a piece of code that is capable of copying itself, usually having a negative effect on the computer or device.
- 3. The primary computer storage device
- 4. abbreviation for central processing unit.
- 5. a digitally replicated version of something real
- 7. a storage space that many files can be placed into
- 8. the collection of physical parts of a computer system
- 9. an external flash drive
- 10. to receive data from a remote system
- 14. a device that provides functionality for other programs or devices
- 16. A display screen used to provide visual output from a computer
- 17. handheld device that is dragged across a flat surface to move the cursor on a computer
- 18. when a computer program stops functioning properly and exits.
- 20. to restart a computer