Across
- 2. OS X multitasking operating system that is the latest version of the Macintosh operating system
- 3. a large digital computer serving 100-400 users and occupying a special air-conditioned room. Generally used by business or gov’t to provide central storage processing and mangt. For large amounts of data
- 5. Network Address Translation. A service that translates public IP addresses to private and private IP addresses to public. It hides addresses on an internal network.
- 6. metropolitan area network: public high speed network that can transmit voice and data within a range of 50 miles
- 8. a short electromagnetic wave (longer than infrared but shorter than radio waves)
- 9. programs such as worms, and bots designed to disrupt computers operations
- 11. Windows The most popular and powerful PC operating system; uses a graphical user interface.
- 12. The main circuit board of a microcomputer. The motherboard contains the connectors for attaching additional boards.
- 13. The ability of a computer to run two or more distinct computer operations simultaneously—one in the foreground, the other(s) in the background.
- 14. storage: Means of recording data as light and dark spots on CD or DVD with the use of a low-power laser light.
- 15. topology: the topology of a network whose components are all connected directly to every other component
- 16. language a low level language written by binary code that the computers can execute directly
- 17. A network model where all computers on the network are equal and data may be shared from computer to computer.
- 18. chart a diagram that shows the hierarchy of workers in an organization
- 21. storage a technology for recording data onto disks or tape by magnetizing particles of an oxide based surface coating.
- 23. Systems with less capacity, such as dial-up Internet access: communication channel that has low bandwidth
- 24. a special set of symbols that used to restrict access to a user’s computer or network
- 26. The results produced by a computer.ex: reports, graphs, music
Down
- 1. processing simultaneous processing by more than one processing unit to execute a prog.
- 3. information system System used to extract data from a database and compile reports that help managers make routine decisions
- 4. personal area network: interconnected gp. Of personal digital devices located within a range of 30 ft.
- 6. : computer hardware that allows information to be passed through the telephone lines. Device that modulates and demodulates a signal
- 7. source An approach to developing and licencing software in which the source code remains public so it can b improved and freely distributed
- 10. A technique for formatting signals in which one property of a simple carrier wave is modified by the addition of a data signal during transmission.
- 11. statement a short, specific written statement of the reason a business exists and what it wants to achieve. Goals and how they will be achieved
- 12. modeling: A mathematical model is a description of a system using mathematical concepts and language. math science and engineers
- 14. planning the scheduling and monitoring of workers and processes
- 19. system the software that controls the computers use of its hardware resources, such as memory and disk storage space
- 20. personal digital assistant
- 21. the comp. circuitry that holds data waiting to be processed
- 22. Operating system An operating system that runs on a network server.
- 23. computer An extremely lightweight personal computer. Notebook computers typically weigh less than 6 pounds and are small enough to fit easily in a briefcase.
- 25. social networks online social communities-blogs, social networking web sites, or even virtual worlds- where people socialize or exchange information and opinions