Q. The word ‘serial’ describes
-
(A)
an inexpensive card reader that reads one column at a time
-
(B)
a character-by-character transfer of data between an input/output or auxiliary storage unit and a channel
-
(C)
is a serial communication physical interface through which information transfers in or out one bit at a time
-
(D)
both (a) and (b)
✅ Correct Answer: (D)
both (a) and (b)