McqMate
| 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) |
| E. | None of these |
| Answer» D. both (a) and (b) | |
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