Across
- 2. the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals.
- 4. a circuit board that can be inserted in a computer to give extra facilities or memory.
- 5. the part of a computer that houses the primary devices that perform operations and produce results for complex calculations
- 9. a visual way of interacting with a computer using items such as windows, icons, and menus, used by most modern operating systems.
- 11. a device or substance for absorbing excessive or unwanted heat.
- 13. a printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted
- 14. the programs and other operating information used by a computer
- 15. is the hardware in a computing device where the operating system (OS), application programs and data in current use are kept
- 17. used to enter information and instructions into a computer for storage or processing and to deliver the processed data to a human operator
- 18. a computer network that links devices within a building or group of adjacent buildings.
- 21. is an established set of rules that determine how data is transmitted between different devices in the same network
- 23. the retention of retrievable data on a computer or other electronic system; memory
- 24. a group of letters occurring after a period in a file name, indicating the format of the file.
- 27. computer hardware which is used to enter data for processing.
- 28. a small computer that contains a microprocessor as its central processor
- 30. a particularly powerful mainframe computer
- 31. high-performance computers with large amounts of memory and processors that process billions of simple calculations and transactions in real time.
Down
- 1. a method employing encryption to provide secure access to a remote computer over the internet.
- 3. computer that is intermediate in size between a laptop computer and a smartphone.
- 6. tools, machinery, and other durable equipment
- 7. facts and statistics collected together for reference or analysis
- 8. is a conceptual model that characterises and standardises the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology.
- 10. connects a user to a computer program or operating system
- 12. an electronic device for storing and processing data typically in binary form, according to instructions given to it in a variable program
- 16. the part of a computer in which operations are controlled and execute
- 19. a person who uses or operates something, especially a computer or other machine
- 20. to the use of recording media to retain data using computers or other devices
- 22. a high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks, inside a sealed unit. Also called hard disk drive.
- 25. which studies how spaces are organized and how they are structured in terms of position.
- 26. a computer or computer program which manages access to a centralized resource or service in a network
- 29. perform a series of mechanical or chemical operations on (something) in order to change or preserve it
- 32. a device providing power to electronic equipment and sometimes designated