Computer Science: Units 1-3

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Across
  1. 7. A register of the CPU that holds the result of calculations.
  2. 8. Allows through good internet traffic, bounces back bad traffic.
  3. 9. The physical components of a computer
  4. 10. Measured in hertz, this is the number of instructions processed per second.
  5. 11. Sending emails pretending to be from a reputable company to get people to click on an email link to obtain personal information.
  6. 12. Non-volatile primary storage, stores the BIOS.
Down
  1. 1. Instructions, data and programs that perform specific tasks on a computer. These cannot be physically touched.
  2. 2. Scrambles plain text to make it unreadable.
  3. 3. The main part of the computer, often referred to as the "brain of the computer".
  4. 4. Software written to cause loss of data, fraud and identity theft.
  5. 5. Over a large geographical location and uses third party infrastructure.
  6. 6. Volatile primary storage, used to store open programs and files.