Crossword Puzzle

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Across
  1. 3. Word printed at the top of a page indicating the first or last word entry on that page
  2. 5. The main or central part of something, especially a building or text
  3. 6. A frequency assigned to a TV or radio station, which allows it to transmit over the air simultaneously with other broadcasters
  4. 7. A special notation at the end of a letter that indicates copies of the letter were sent to the person(s) listed, usually being noted by typing CC:
  5. 9. Height of a type character measured in points, each point being 1/2th of an inch
  6. 10. Pertaining to a keyboard having the keys in traditional typewriter arrangement, with the letters q, w, e, r, t, and y being the first six of the top row of alphabetic characters, starting from the left side.
  7. 11. a printer in which the characters are formed by minute jets of ink.
  8. 12. Checker A computer program that checks the spelling of words in files of text, typically by comparison with a stored list of words
  9. 15. a preset format for a document or file, used so that the format does not have to be recreated each time it is used.
  10. 16. a computer designed for use by one person at a time.
  11. 23. The central processing unit (CPU) of a computer is a piece of hardware that carries out the instructions of a computer program.
  12. 24. The study of people's efficiency in their working environment.
  13. 25. Self-contained piece of information available to the operating system and any number of individual programs
  14. 28. A location in a document where a visible digital signature can be inserted.
  15. 29. A standard formula of words used in a letter to address the person being written to
Down
  1. 1. The action or manner of justifying a line of type or piece of text.
  2. 2. Range or put into a format.
  3. 4. The machines, wiring, and other physical components of a computer or other electronic system.
  4. 8. typically weigh less than 6 pounds and are small enough to fit easily in a briefcase.
  5. 13. The way in which your body is positioned when you are sitting or standing
  6. 14. Change (text) on a computer.
  7. 16. Letter A letter written from an individual to a company or organization
  8. 17. Address of the person sending the message
  9. 18. Vertical distance between lines of text
  10. 19. a printed circuit board containing the principal components of a computer or other device, with connectors into which other circuit boards can be slotted.
  11. 20. A key or command that toggles between two modes, such as the caps lock key
  12. 21. The programs and other operating information used by a computer.
  13. 22. Type or format with a full space between lines
  14. 26. a panel of keys that operate a computer or typewriter.
  15. 27. The quantities, characters, or symbols on which operations are performed by a computer