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Computer Studies 2016 WAEC Past Questions

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36

In a database, a primary key is a field which contains?

 

  • A.  text only    
  • B. unique entries   
  • C.  duplicate values     
  • D. numeric value only.
View Answer & Discuss (5) WAEC 2016
37

One megabyte is equivalent to?

 

  • A. one million bytes       
  • B.  two million bytes   
  • C.  three million bytes   
  • D.  four million bytes
View Answer & Discuss (8) WAEC 2016
38

Converting 4B7\(_16\) to binary?           

  • A. 0100 1010 0111  
  • B. 0100 1011 0111,       
  • C. 0100 1000 0111,   
  • D.   0100 1100 0111
View Answer & Discuss (12) WAEC 2016
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39

The speed of data transfer in the computer can be determined in terms of ?

 

  • A. protocol and bus speed   
  • B.   bus speed and width      
  • C. bus speed and storage media     
  • D. bus width and storage media.
View Answer & Discuss (8) WAEC 2016
40

The initial screen that is displayed after a computer booting is referred to as?

 

  • A. desktop    
  • B. interface    
  • C. software 
  • D. taskbar
View Answer & Discuss WAEC 2016
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