programming machine

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Across
  1. 1. who used Alan turners idea to formulate a basic set of principles
  2. 5. the part of a machine instruction that tells the CPU the data or memory location where the instruction-the operator-should be carried out
  3. 7. the name given to a place where the computer does all its calculations
  4. 8. means hault
Down
  1. 2. the part of a machine that gives the CPU and instructions to do something
  2. 3. you enter a number
  3. 4. a named location in memory used to store data
  4. 6. turnings first name