Across
- 3. can take a variety of forms, from commands you enter from the keyboard to data from another computer or device.
- 7. is the leader in development, deployment, and management of Linux and open source solutions.
- 8. is a system of linked networks that are worldwide in extent and facilitate data communication services such as remote login, file transfer, electronic mail, and World Wide Web and newsgroup.
- 11. are small software programs that help the operating system us or “drive” the device.
- 13. is a telecommunications network or computer network that extends over a large geographical distance
- 14. converts digital data to analog sound waves you can hear.
- 16. is a group of computers and associated devices that share a common communications line or wireless link to a server.
- 17. converts mains AC to low-voltage regulated DC power for the internal components of a computer.
- 19. is the technology used for displays in notebook and other smaller computers.
- 23. is a section of the hard drive that is separated from other segments.
- 24. any information that has been processed by and sent out from a computer or similar device is considered _______.
- 26. is a technological system that uses information about a person (or other biological organism) to identify that person.
- 29. is the program a personal computer's microprocessor uses to get the computer system started after you turn it on.
- 31. a computer operating system with a graphical user interface.
- 35. displays are thinner than cathode ray tube ( CRT ) displays and brighter than liquid crystal displays ( LCD ).
- 36. are computers used primarily by large organizations for critical applications, bulk data processing, such as census, industry and consumer statistics, enterprise resource planning, and transaction processing.
- 37. They receive audio input from the computer's sound card and produce audio output in the form of sound waves.
- 39. is a shared media, so the are rules for sending packets of data to avoid conflicts and protect data integrity.
- 40. is any physical device capable of storing information temporarily or permanently.
Down
- 1. is a set of electronic components in an integrated circuit that manages the data flow between the processor, memory and peripherals.
- 2. is a networking device that forwards data packets between computer networks.
- 4. raise (something) to a higher standard, in particular improve (equipment or machinery) by adding or replacing components.
- 5. is an accessibility feature of some graphical user interfaces to assist users who have physical disabilities or help users reduce repetitive strain injury.
- 6. a part of a computer system or network that is designed to block unauthorized access while permitting outward communication.
- 9. is the most important component in the computer system.
- 10. is a device or program that enables a computer to transmit data over, for example, telephone or cable lines.
- 12. are tend to be surprising but relatively harmless.
- 15. when this option is selected it will replace your current version of Windows 7 and erase everything on your computer.
- 18. is the audio signal given out by a computer to announce the result of a short diagnostic testing sequence the computer performs when first powering up (called the Power-On-Self-Test or POST ).
- 20. these are little screws that are used to hold the computer cards in place.
- 21. is the brains of the computer where most calculations take place.
- 22. an ethernet cable in which the transmit line connects to the receive line at the other end and vice versa
- 25. is a collection of software that manages computer hardware resources and provides common services for computer programs.
- 27. spies you as you surf or do business on the Internet.
- 28. is an external bus standard that supports data transfer rates of 12 Mbps.
- 30. an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.
- 32. is a threaded separator of defined length used to raise one assembly above another.
- 33. is a commercial Unix-like real-time operating system, aimed primarily at the embedded systems market.
- 34. a high-capacity, self-contained storage device containing a read-write mechanism plus one or more hard disks, inside a sealed unit.
- 38. Os can be classified as _____ if it responds to inputs instantly