Introduction to computers Crossword puzzle

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Across
  1. 2. A network of computers that are interconnected.
  2. 6. Drive A device used to store data and programs permanently.
  3. 7. The brain of the computer.
  4. 8. A series of instructions that tells a computer what to do.
  5. 9. The visual display unit of the computer.
  6. 10. The physical parts of a computer.
Down
  1. 1. A device used to input text and commands into a computer.
  2. 3. The main circuit board inside the computer.
  3. 4. A program that replicates itself and spreads to other computers.
  4. 5. Basic unit of computer memory represented by either 1 or 0
  5. 9. Input device used for pointing and clicking.