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What are the uses for shift registers ?

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I am an electronic engineer in the field of shift registers and my work is working on various different projects for electronics. In recent days I am going to make a project for shift registers. Today I come to this forum to turn to you to discuss my understandings are appropriate.

The project for shift registers begins now:

In a digital circuit, the circuit used to store binary data or code is called a register.
The registers are composed of flip-flops with memory functions. A trigger can store a binary code, stored in the N-bit binary code register, need to use n flip-flop to form.
According to the function can be divided into: the basic register and shift register.
The data in the shift register can be shifted right or left one by one in the direction of the shift pulse. The data can be input in parallel, parallel output, serial input, serial output, serial output, Serial input, parallel output, very flexible, use is also very wide.
There are many types of integrated shift registers commonly used, such as 74164, 74165, 74166, 74595 are eight one-way shift register, 74195 for the four one-way shifter, 74194 for the four-way two-way shifter, 74198 for the eight Bit bidirectional register.

The shift register not only registers the digital, but also has a shift function. Shift is a very important feature in digital systems and computer technology. If the binary number 0101 is multiplied by 2, it can be done by shifting 0101 to the left by one bit; the divide by 2 operation can be done by shifting one bit to the right. There are many types of shift registers, there are left shift register, right shift register, bidirectional shift register and cyclic shift register.

Ps: Excuse me if I was wrong in words or expressions as I am a green hand in the field of shift registers. I need continual learnings.

What is your idea ? Do you agree with my ideas ? Any of your ideas would be highly appreciated.

May someone would like to help ?

thanks in advance

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