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The interesting features of a computer are ::
  • Computers are built to carry out a small variety of instructions. It is not necessary to have more than about 100 distinct function for a very powerful machine.
  • Instructions are very simple i.e, add, subtract, read a character, write a character, compare numbers etc.
  • Most instructions are carried out in less than a millionth of a second.
  • Instructions are carried out obediently with no question asked.
  • Instructions are carried out without any mistakes.