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What is the direction of shifting the binary information in a shift register?
The directional mode or modes of shifting the binary information in a shift register is either Left-Right or Right-Left. The directional mode or modes of shifting the binary information in a shift register can never be Up-Down or Front-Back. So the correct answer here is part B i.e Left-Right.
What is load in shift register?
Shift Register Basics. Parallel load means to load all flip-flops of a register at one time. Serial load means to load the flip-flop of a register one bit at a time.
How does the parallel in to serial out shift register work?
The Parallel-in to Serial-out shift register acts in the opposite way to the serial-in to parallel-out one above. The data is loaded into the register in a parallel format in which all the data bits enter their inputs simultaneously, to the parallel input pins P A to P D of the register.
Do you need clock pulse to parallel load shift register?
This data is outputted one bit at a time on each clock cycle in a serial format. It is important to note that with this type of data register a clock pulse is not required to parallel load the register as it is already present, but four clock pulses are required to unload the data.
Which is the first bit in the shift register?
After a number of clocks equal to the number of stages, the first data bit in appears at SO (Q D) in the above figure. In general, there is no SO pin. The last stage (Q D above) serves as SO and is cascaded to the next package if it exists.
How are data bits loaded in a parallel Register?
The data bits can be loaded one bit at a time in a series input (SI) configuration or be loaded simultaneously in a parallel configuration (PI). Data may be removed from the register one bit at a time for a series output (SO) or removed all at the same time from a parallel output (PO).