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Across
  1. 2. the part of a machine instruction that tells the CPU the data or memory location
  2. 4. named location in memory used to store data
  3. 5. the name given to the place where the computer does all its calculations
  4. 8. to put something in a system
Down
  1. 1. a programming language that uses easy to remember codes
  2. 3. to run through a program on paper to see how it works
  3. 6. the brain of the computer
  4. 7. the part of a machine instruction that gives the CPU an instruction to do something.