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Across 1. Internal storage areas in the computer. 3. A global network connecting millions of computers. 4. A small piece of semiconducting material (usually silicon) on which an integrated circuit is embedded. 5. A collection of data or information that has a name, called the filename. 7. To prepare a storage medium, usually a disk, for reading and writing. 8. The mechanism that reads and writes data on a hard disk. (2 words) 12. The set of typewriter-like keys that enables you to enter data into a computer. 14. In the PC world, the term was originally used for a file created with a word processor. 15. Generally synonymous with personal computer (PC) computer. 17. An obsolete home video disc format, and was the first commercial optical disc storage medium. (2 words) 19. The term refers to images.

Down 1. A very large and expensive computer capable of supporting hundreds, or even thousands, of users simultaneously. 2. A small electronic device made out of a semiconductor material. (2 words) 6. Short for digital versatile disc or digital video disc, a type of optical disk technology similar to the CD-ROM 9. A machine that reads data from and writes data onto a disk. (2 words) 10. A printout of data stored in a computer. (2 words) 11. A small, portable computer -- small enough that it can sit on your lap. 13. Short for electronic mail, the transmission of messages over communications networks. 16. A round plate on which data can be encoded. 18. Whatever goes into the computer.