The 4-bit adder-subtractor circuit is an essential component of digital circuits and is used in a wide range of applications from simple calculators to complex computer systems. It is designed to perform addition and subtraction operations on two 4-bit binary numbers. In this article, we will discuss the diagram of a 4-bit adder-subtractor circuit and its various components.

The main components of a 4-bit adder-subtractor circuit are four full adders, two multiplexers, and a half adder. The full adders are used to perform the addition and subtraction operations on two 4-bit binary numbers. The multiplexers are used to select either the addition or subtraction operation while the half adder is used to generate the carry bit. The diagram of a 4-bit adder-subtractor circuit includes the inputs A and B which are the two 4-bit binary numbers to be added or subtracted. The output C is the 4-bit sum or difference of the two numbers.

The 4-bit adder-subtractor circuit is an invaluable tool in digital electronics and can be used to create complex systems such as computers, calculators, and more. It is important to understand the diagram of a 4-bit adder-subtractor circuit so that you can use it in your own projects. By understanding the components and their functions, you can easily create a 4-bit adder-subtractor circuit for any application.

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