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The NOR gate is a universal gate. A universal gate is a logic gate  which can implement any Boolean function without the need to use another  type of logic gate. So this means that you can create any logical  Boolean expression

The NOR gate is a universal gate. A universal gate is a logic gate  which can implement any Boolean function without the need to use another  type of logic gate. So this means that you can create any logical  Boolean expression

 

The NOR gate is a universal gate. A universal gate is a logic gate  which can implement any Boolean function without the need to use another  type of logic gate. So this means that you can create any logical  Boolean expression using only NOR gates. NOR gates are sometimes used in  combination to perform AND, OR and inverter operations. This gate will  produce a LOW output when any inputs are HIGH. The only time its output  is HIGH is when both inputs are LOW.

2. What does an invert bubble at the input of a logic gate mean? (Hint: Active High or Low)
A bubble on an input means that a 0 is he active input state and it is an active-LOW input.

3. Consider the following statement "A car alarm will sound if the door is open or the window is open"

  • Translate that statement into a logic diagram. Use 'A' as the input from the car door and 'B' as the input from the car window.
    This  statement can be translated into an OR logic diagram. If both signals  are HIGH or true, then the output will be HIGH or true, resulting in the  alarm going off.

4. Can you think of other statements that can be translated to logic circuits?
Another  statement that can be translated to logic circuits is closing your car  door which then turns the light off. This can be written with an OR gate  truth table.

5. Discuss the statement "Translating logical statements into logic circuits."
The  process of creating a logic circuit from a logical statement is known  as converting Boolean algebra into a logic circuit. Boolean algebra can  be completely described by constructing a truth table. The truth table  states that the inputs equal either a LOW or HIGH outputs received from  the logic gate.
A simple representation of a logic statement to logic circuit using inputs A and B and output AB.

   

A

B

AB

 

0

0

0

 

1

0

0

 

0

1

0

 

1

1

1

                Logic Statement       >>      Logic gate AND    image.png

References

Floyd, T. L. (2014). Digital Fundamentals (11th ed.) Pearson Education (US). https://ecpi.vitalsource.com/books/9780133524390

What is Logic Gate ? Logic Gates Explained. (2021, September 28). www.youtube.com; All About Electronics. https://www.youtube.com/watch?v=0lwhoQ5aQe8