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MCQ 331: Which one of them is known as the inventor of difference Engine?

  1. Sir Charles Babbage
  2. Sir William kennedy Dickson
  3. Sir John Barber
  4. Sir Blaise Pascal

MCQ 332: In which one of the following year, Tone to pulse converter was patented?

  1. 1974
  2. 1918
  3. 1890
  4. 1856

MCQ 333: Tinker toys were discovered by:

  1. Sir Sue O Connor
  2. Sir Nikola Tesla
  3. Sir Charles Pajeau
  4. Sir Neil Harphan

MCQ 334: In which one of the following year an American astronomer invents the existence of other galaxies?

  1. 1925
  2. 1945
  3. 1935
  4. 1915

MCQ 335: In which one of the following year, the basketball game was invented?

  1. 1891
  2. 1985
  3. 1980
  4. 1896

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