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Using the given values of X and Y for the device in Figure 1, what...

Computer Studies
WAEC 2024

Using the given values of X and Y for the device in Figure 1, what will be the value of the output Z if it is passed through the device in Figure 2? 

 X  Y

 0

 0

 1

 1

 0

 1

 0

 1
  • A. 0001
  • B. 0110
  • C. 0111
  • D. 1000
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Correct Answer: Option D
Explanation

D: (1000)  
Our original output for Z as gotten in no. (10) is 0111.  
After passing it through the NOT gate in figure 2, it becomes 1000. 

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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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
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Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now