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151

The common name for all input and output devices is?

  • A.   keyboard     
  • B. peripheral    
  • C. printer   
  • D. storage medium
  • E. system unit
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152

Lady Ada Lovelace improved upon the idea of?

  • A. Babbage's analytical engine
  • B. Babbage's difference engine
  • C. Herman hollerinth's machine
  • D. Leibnitz's calculator
  • E. Pascal's arithmetic
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153

Notebook is an example of ..... Computer?

  • A.  macro
  • B. mainframe
  • C. micro
  • D. mini
  • E. super
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154

The symbolic representation of hard disk is?

  • A.  B:
  • B. B:1
  • C. C:
  • D. C:l
  • E. D:
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155

Which of the following circuits is used as memory device in a computer? 

  • A. Attenuator
  • B. Comparator
  • C. Flip-flop
  • D. Modem
  • E. Rectifier
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