crossword 2

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Across
  1. 4. A device that connects two computers together over a telephone cable line by converting the computer data into an audio signal.
  2. 6. this application software is used to perform calculations on rows and columns of data
  3. 9. This utility software helps to protect the computer system from viruses and prevent the computer system files from being corrupt.
  4. 10. A mistake in algorithm that generates incorrect results or outputs.
Down
  1. 1. Codes consisting of bars or lines varying in width and length that computer-readable.
  2. 2. CD-ROM is a kind of _______.
  3. 3. ____________ is the semiconductor technology used in most of today's integrated circuits.
  4. 5. a plastic card similar to a credit card but having some memory and microprocessor embedded within it.
  5. 7. Telecommunication device that forwards data packets across two or more distant networks toward their destination through a process known as routing.
  6. 8. network is designed to block unauthorized access while permitting outward communication.