- Serial ports transmits one bit at a time while parallel transmits several bits at a time
- Most serial ports are fewer holes or pins while parallel ports have many pins or holes.
Parallel port transmit several bits of data at a go while serial ports transmits one bit at ago
Parallel ports also called LPT 1 transmits for short distance while serial port also called COM 1,2....transmit for fairly long distance,up to 15M
johnmulu answered the question on September 28, 2017 at 11:30
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