Across
- 2. an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.
- 5. using radio, microwaves, etc. (as opposed to wires or cables) to transmit signals
- 7. a high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks, inside a sealed unit
- 10. a symbol or graphic representation on a screen of a program, option, or window, especially one of several for selection.
- 11. an instrument or device used for observing, checking, or keeping a continuous record of a process or quantity.
- 12. the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals.
- 14. a panel of keys that operate a computer or typewriter
- 15. the working surface of a desk
- 16. almost or nearly as described, but not completely or according to strict definition
- 17. a sudden failure that puts a system out of action
- 20. an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and can be accessed via the Internet
- 23. a folding cover or holder typically made of stiff paper or cardboard, for storing loose papers
- 24. a network security system designed to prevent unauthorized access to or from a private network
- 25. the part of a computer in which data or program instructions can be stored for retrieval
- 28. irrelevant or inappropriate messages sent on the Internet to a large number of recipients
Down
- 1. an electronic document in which data is arranged in the rows and columns of a grid and can be manipulated and used in calculations
- 3. a folder or box for holding loose papers that are typically arranged in a particular order for easy reference.
- 4. an external flash drive, small enough to carry on a key ring, that can be used with any computer that has a USB port
- 6. a portable computing device such as a smartphone or tablet computer
- 7. a printed version on paper of data held in a computer.
- 8. an act or instance of booting a computer system again
- 9. a packet of data sent by an Internet server to a browser, which is returned by the browser each time it subsequently accesses the same server, used to identify the user or track their access to the server
- 13. a piece of code that is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data
- 18. tools, machinery, and other durable equipment
- 19. copy (data) from one computer system to another, typically over the Internet.
- 21. a program with a graphical user interface for displaying HTML files, used to navigate the World Wide Web
- 22. a computer or computer program that manages access to a centralized resource or service in a network
- 25. a combined device for modulation and demodulation, for example, between the digital data of a computer and the analog signal of a telephone line
- 26. a small handheld device that is dragged across a flat surface to move the cursor on a computer screen, typically having buttons that are pressed to control functions.
- 27. is the abbreviation for central processing unit