By adding recirculating lines to a 4-bit parallel-in, serial-out shift register, it becomes a , , and -out register.

By adding recirculating lines to a 4-bit parallel-in, serial-out shift register, it becomes a ________, ________, and ________-out register.

[A].	parallel-in, serial, parallel
[B].	serial-in, parallel, serial
[C].	series-parallel-in, series, parallel
[D].	bidirectional in, parallel, series

Answer: Option A

Explanation:

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