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Across 3. global system of interconnected computer networks that use the standardized Internet Protocol Suite (TCP/IP) to serve billions of users worldwide 6. a device that modulates an analog carrier signal to encode digital information 7. Universal Serial Bus 9. random access memory 12. device that stores digitally encoded data on rapidly rotating platters with magnetic surfaces. 14. physical components of a computer 15. central printed circuit board 16. the basic physical and organizational structures needed for the operation of a society or enterprise 18. Digital Video Disc

Down 1. PC 2. group of computers that are connected to each other for the purpose of communication. 3. a private computer network that uses Internet Protocol technologies to securely share any part of an organization's information or operational systems within that organization 4. a widely used sans-serif typeface 5. computer expansion card that facilitates the input and output of audio signals to and from a computer under control of computer programs. 8. a system of interlinked hypertext documents contained on the Internet. 10. a general term used to describe the role that computer programs, procedures and documentation play in a computer system.[ 11. compact disc read-only memory 13. an expansion card whose function is to generate and output images to a display. 17. central proccessing unit