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Digital signals can be represented by:    I. Binary Codes Il.0 and 1 III. High...

Computer Studies
WAEC 2020

Digital signals can be represented by:   

I. Binary Codes

Il.0 and 1

III. High and Low Which of the following options is correct?

 

  • A.  l and Il only     
  • B.   I and lIl only        
  • C.  II and lIl only     
  • D.  I, Il and III
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Correct Answer: Option D
Explanation

Digital signals can be represented by binary codes (I), the digits 0 and 1 (II), and high and low states (III).

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Post UTME Past Questions Agent
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now