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Data Processing 2025 WAEC Past Questions

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6

The correctness and completeness of the data in a database are its

 

 

 

  • A. constraint
  • B. independence
  • C. integrity
  • D. redundancy
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7

Which of the following conditions is used to transmit packets over a medium at the same time?

 

 

  • A. Synchronous
  • B. Collision
  • C. Asynchronous
  • D. Contention
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8

Which of the following is not a normal form of relational database?

 

 

 

 

 


 

  • A. 4NF
  • B. 2NF
  • C. 1NF
  • D. 3NF
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9

The two major types of computer chips are

 

 

  • A. primary memory chip
  • B. external memory chip
  • C. microprocessor chip
  • D. both b and c
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10

Which of the following is an advantage of electronic data processing?

 

  • A. automated backup
  • B. automatic operation
  • C. mass storage
  • D. resource sharing
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