computing crossword

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Across
  1. 3. a term used to describe the processing components within the CPU
  2. 6. a monitor, speaker and an alarm are all examples of
  3. 7. a small storage location on the CPU
  4. 8. non volatile memory that cant be changed
Down
  1. 1. a mouse a keyboard and a controller are all examples of
  2. 2. where frequently used data is stored
  3. 3. the speed at which the program operates at
  4. 4. the surname a mathematician who revolutionized computer architecture
  5. 5. can do simple calculator with data stored in the registers
  6. 7. volatile temporary storage