Question

INSTRUCTIONS: Solve the following problems by making ladder diagram according to the condition and conduct simulation using Fluidsim. 1. A ladder circuit that functions as an OR Gate. 2. One pushbutton switch to open a light and another to close it. 3. There are three switches namely S1, S2, and S3 and one buzzer B1. By pressing any two switches, the buzzer will be activated. However, it will not activate when one switch or all three switches are pressed. Show the truth table, logic equation and simplify. 4. When pushbutton PB1 is pressed, Lamp A turns ON and stays ON even PB1 is released. Same thing happens to Lamp B with pushbutton PB2. However, each lamp will only be reset by using pushbutton PB3. The first pushbutton to be activated will disable the next pushbutton until PB3 resets the system.

          INSTRUCTIONS: Solve the following problems by making ladder diagram according to the
condition and conduct simulation using Fluidsim.
1. A ladder circuit that functions as an OR Gate.
2. One pushbutton switch to open a light and another to close it.
3. There are three switches namely S1, S2, and S3 and one buzzer B1. By pressing any two
switches, the buzzer will be activated. However, it will not activate when one switch
or all three switches are pressed. Show the truth table, logic equation and simplify.
4. When pushbutton PB1 is pressed, Lamp A turns ON and stays ON even PB1 is
released. Same thing happens to Lamp B with pushbutton PB2. However, each lamp
will only be reset by using pushbutton PB3. The first pushbutton to be activated will
disable the next pushbutton until PB3 resets the system.

INSTRUCTIONS: Solve the following problems by making ladder diagram according to the
condition and conduct simulation using Fluidsim.
1. A ladder circuit that functions as an OR Gate.
2. One pushbutton switch to open a light and another to close it.
3. There are three switches namely S1, S2, and S3 and one buzzer B1. By pressing any two
switches, the buzzer will be activated. However, it will not activate when one switch
or all three switches are pressed. Show the truth table, logic equation and simplify.
4. When pushbutton PB1 is pressed, Lamp A turns ON and stays ON even PB1 is
released. Same thing happens to Lamp B with pushbutton PB2. However, each lamp
will only be reset by using pushbutton PB3. The first pushbutton to be activated will
disable the next pushbutton until PB3 resets the system.

Added by Carrie W.

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