Examination

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Across
  1. 4. is the computer's main circuit board
  2. 5. one of the earliest electronic digital computers
  3. 7. The number system having just these two digits – 0 and 1
  4. 8. is one in which the base value is 8
  5. 9. is your system's short-term memory
Down
  1. 1. The decimal number system contains ten digits from 0 to 9(base 10)
  2. 2. One of the earliest devices developed for simplifying human arithmetic
  3. 3. invented one of the first gear-based adding machines to help with the enormous amount of calculations
  4. 6. It uses 16 digits for the creation of its numbers