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Digital Technology Electrical Circuits
   
  
  
  
   
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| And-Gate |
| Switch | Lamp |
| S1 on, S2 on | on |
| S1 on, S2 off | off |
| S1 off, S2 on | off |
| S1 off, S2 off | off |
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| | Or-Gate |
| Switch | Lamp |
| S1 on, S2 on | on |
| S1 on, S2 off | on |
| S1 off, S2 on | on |
| S1 off, S2 off | off |
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| | Excl-Or-Gate |
| Switch | Lamp |
| S1 on, S2 on | off |
| S1 on, S2 off | on |
| S1 off, S2 on | on |
| S1 off, S2 off | off |
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     | | Not-Gate |
| Switch | Lamp |
| on | off |
| off | on |
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| | Not-And-Gate |
| Switch | Lamp |
| S1 on, S2 on | off |
| S1 on, S2 off | on |
| S1 off, S2 on | on |
| S1 off, S2 off | on |
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| | Not-Or-Gate |
| Switch | Lamp |
| S1 on, S2 on | off |
| S1 on, S2 off | off |
| S1 off, S2 on | off |
| S1 off, S2 off | on |
|
     
     
    
     
| | Excl-Not-Or-Gate |
| Switch | Lamp |
| S1 on, S2 on | on |
| S1 on, S2 off | off |
| S1 off, S2 on | off |
| S1 off, S2 off | on |
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