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Computer Studies 2017 WAEC Past Questions

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16

In a star network, each node must? 

  • A.  be connected directly to adjacent node
  • B.  be connected directly to a central network hub       
  • C.  be connected directly to a common backbone cable     
  • D. possess a token before it can transmit signal to adjacent node
View Answer & Discuss (5) WAEC 2017
17

Which of the following views is used to create data base objects in Microsoft Access?                     

  • A.  Design view                 
  • B.  Datasheet view       
  • C.  Layout view       
  • D. Normal view
View Answer & Discuss (1) WAEC 2017
18

A field chosen to uniquely identify every record in a database is?          

 

 

 

  • A. foreign key      
  • B. local key   
  • C. primary key       
  • D. secondary key
View Answer & Discuss WAEC 2017
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19
Use the table below to answer questions 19 to 21
Character Decimal code ASCII CODE
N 78 1001110
O 1 1001111
T 84 11

The cell labelled I in the table represents?         

 

  • A. 72        
  • B. 74      
  • C. 75   
  • D.  79
View Answer & Discuss (4) WAEC 2017
20

Us the table below to answer this question

Character Decimal Code ASCII Code
     N      78    1001110
     O       1    1001111
     T      84    II

The cell labeled ll in the table represents?     

  • A.  1001101     
  • B. 1010100     
  • C.  1010101      
  • D. 1010110
View Answer & Discuss (14) WAEC 2017
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