![]() To shift data – Shift registers can shift data either to the right, to the left or in both directions.The types of inputs and outputs of these four categories are evident from their names. Doing that, we get four main configurations. We can classify shift registers depending on these two data flow methods. So we have two ways in which data can ‘flow’ through a shift register. Similarly, each flip-flop can have its own output too. This particular setting of giving input is known as parallel input. Parallel: Each flip-flop can have its own input.The output is in the same order as the input. We get the data output at the last flip-flop. Each bit passes through the cascade in a line. Serially: Data enters the cascade of flip-flops in a stream.We can feed and extract data to and from a shift register in two ways: ![]()
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