Shift Registers » Exercise – 1
67. 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
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