![]() The D3 input of the third flip flop, i.e., FF-3, is directly connected to the serial data input D3. If we pass the binary number 1111, the LSB bit of the number is applied first to the Din bit. ![]() Initially, all the flip-flops are set in "reset" condition i.e. ![]() In SISO, a single bit is shifted at a time in either right or left direction under clock control. In "Serial Input Serial Output", the data is shifted "IN" or "OUT" serially. The shift register is classified into the following types: A Shift Register, which shifts the bit to the left, is known as "Shift left register", and it shifts the bit to the right, known as "Right left register". The flip flops are connected in such a way that the first flip flop's output becomes the input of the other flip flop.Ī Shift Register can shift the bits either to the left or to the right. So, the number of bits of the binary number is directly proportional to the number of flip flops. To form an n-bit shift register, we have to connect n number of flip flops. The bits stored in registers shifted when the clock pulse is applied within and inside or outside the registers. ![]() A group of flip flops which is used to store multiple bits of data and the data is moved from one flip flop to another is known as Shift Register.
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