Shift Register: types, working, application - Electronics Club
Serial in Serial out Shift Register (SISO) | Electronics Engineering Study Center
Registers and Counters Register : A Group of Flip-Flops. N-Bit Register has N flip-flops. Each flip-flop stores 1-Bit Information. So N-Bit Register Stores. - ppt download
Universal Shift Register in Digital logic - GeeksforGeeks