Logic Gates Challenges

For this set of challenges, your task is to design logic gates circuits in order to produce the desired output for the given inputs as described in each challenge. You can combine as many logic gates as necessary using the standard logic gates (NOT, AND, OR, XOR, etc.)

Challenge #1Challenge #2Challenge #3Challenge #4Challenge #5

Challenge #1

The light bulb should only be on when either:

  • Both inputs A and B are on while input C is off

or:

  • Both inputs A and B are off while input C is on

Click on this picture to create a logic gates circuit to solve this challenge

Challenge #2

The light bulb should be one when only one of the inputs is on while the remaining two inputs are off.

Click on this picture to create a logic gates circuit to solve this challenge

Challenge #3

The light bulb should be one when any two of the inputs are on while the remaining input is off.

Click on this picture to create a logic gates circuit to solve this challenge

Challenge #4

  • When input A is on, the light bulb should be controlled by turning switch B on and off.
  • When input A is off, the light bulb should be controlled by turning switch C on and off.

Click on this picture to create a logic gates circuit to solve this challenge

Challenge #5

This challenge will require 4 inputs: A, B, C and D.
The light bulb should only be on when either:

  • Both inputs A and D are on while B and C are off

or:

  • Both inputs A and D are off while B and C are on

Click on this picture to create a logic gates circuit to solve this challenge

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Solution...

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