Across
- 2. a computer or computer program which manages access to a centralized resource or service in a network the programs and other operating information used by a computer.
- 5. a device or substance for absorbing excessive or unwanted heat.
- 8. any of various devices (including sensors) used to enter information and instructions into a computer for storage or processing and to deliver the processed data to a human operator
- 10. A storage device is any type of computing hardware that is used for storing, porting or extracting data files and objects.
- 11. a hardware component that supplies power to an electrical device.
- 14. a circuit board that can be inserted in a computer to give extra facilities or memory.
- 15. the part of a computer that houses the primary devices that perform operations and produce results for complex calculations.
- 18. processes commands to a computer program in the form of lines of text.
- 21. an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program
- 23. the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals
- 24. A network protocol is an established set of rules that determine how data is transmitted between different devices in the same network.
- 25. the hardware in a computing device where the operating system (OS), application programs and data in current use are kept so they can be quickly reached by the device's processor.
- 26. facts and statistics collected together for reference or analysis.
- 27. a person who uses or operates something, especially a computer or other machine.
- 29. high-performance computers with large amounts of memory and processors that process billions of simple calculations and transactions in real time.
- 30. the retention of retrievable data on a computer or other electronic system; memory.
Down
- 1. Network topology describes the physical and logical relationship of nodes in a network, the schematic arrangement of the links and nodes.
- 3. a group of letters occurring after a period in a file name, indicating the format of the file.
- 4. the machines, wiring, and other physical components of a computer or other electronic system.
- 6. a printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted.
- 7. model describes seven layers that computer systems use to communicate over a network.
- 9. input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance.
- 12. the part of a computer that houses the primary devices that perform operations and produce results for complex calculations.
- 13. a response to the problem of inefficient usability in early, text-based command-line interfaces for the average user.
- 16. a particularly powerful mainframe computer.
- 17. a small computer that contains a microprocessor as its central processor.
- 18. the part of a computer in which operations are controlled and executed.
- 19. 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.
- 20. extends a private network across a public network and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.
- 22. software manipulating or extracting data from a stored file.
- 28. or tablet PC, is a portable computer that uses a touchscreen as its primary input device.