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Computer Studies 2020 WAEC Past Questions

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1

Which of the following is not a step involved in data conversion?

 

  • A.  Input   
  • B. Output     
  • C. Process     
  • D. Transfer
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2

The communication of knowledge, concepts and ideas is referred to as?    

  • A. information processing.    
  • B. information transmission.   
  • C. telecasting.   
  • D.  webcasting.
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3

The equivalent of the decimal number 89 in base 4 is?    

  • A. 1021.      
  • B. 1201.     
  • C. 1211.     
  • D. 1121.
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4

Choose the incorrect statement about microcomputers?   

  • A. A microcomputer can be placed on a single silicon chip.
  • B. A microcomputer can have more processing capability than a mainframe model.
  • C. ROM chips may be used in micros to permanently store program instruction.
  • D. Most micros use rigid disk storage devices rather than floppy disk drives.
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5

Under classification by data representation. computers can be?      

  • A. analogue, digital and hybrid.     
  • B. hybrid, mainframes and analogue.    
  • C. mini- computers, digital and supercomputers.       
  • D.  supercomputers and mini-computers.
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