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Computer Studies 2019 WAEC Past Questions

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6

The Slide Rule is accurate to? 

  • A.  1-2 decimal places.     
  • B. 3-4 decimal places.     
  • C. 5 decimal places.   
  • D. 6 decimal places.
View Answer & Discuss (6) WAEC 2019
7

Modern computers compared to earlier computers are?     

  • A. faster and larger.      
  • B. faster and smaller.     
  • C.  larger and stronger.   
  • D. Iess reliable
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8

An input device that converts an image into text is known as?       

  • A. Optical Character Reader.     
  • B. Optical Code Reader.     
  • C. Optical Display Reader.     
  • D. Optical Mark Reader.
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9

The type of printer which works on the same principle as a photocopier is?   

  • A. Dot Matrix Printer.   
  • B. Ink. Jet Printer.     
  • C. Laser jet Printer.   
  • D. Thermal Printer.
View Answer & Discuss (7) WAEC 2019
10

The output of a NAND gate is 1 when?   

  • A. all inputs are 0.   
  • B.  all inputs are 1. 
  • C.  any of the input is 0.      
  • D. any of the input is 1.
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