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Computer Quiz

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21. BCD stands for
 
  • A. bits coded decimal
  • B. binary coded decimal
  • C. binary coded data
  • D. bytes coded decimal
 
22. Punched cards were first introduced by
 
  • A. Jacquard
  • B. Pascal
  • C. Hollerith
  • D. Powers
 
 
23. One byte is equivalent to
 
  • A. 8 bit
  • B. 16 bit
  • C. 32 bit
  • D. 64 bit
 
24. The number of bits in a word is known as
 
  • A. word count
  • B. word length
  • C. bytes
  • D. buffer
 
25. To move forward through the tabs
 
  • A. SHIFT+TAB
  • B. CTRL+SHIFT+TAB
  • C. CTRL+TAB
  • D. None of these