Difference Between Parallel Port And
Serial Port
Sr.No
|
Parallel
Port
|
Serial
Port
|
1
|
External parallel device communicate
with computer
|
Allow serial hardware to communicate
with computer
|
2
|
Printer, scanner require fast data
transmission rate
|
Mouse, keyboard etc don’t require fast
data transmission rate
|
3
|
Also called Line Printer (LPT) port
|
Also called communication (COM) port
|
4
|
Can send more than 1 bit at a time
|
Can send data 1 bit at a time
|
5
|
External port which directly attach to
motherboard
|
External port which directly attach to
motherboard
|
6
|
Fast port
|
Slow port
|
7
|
Total 25 lines are used in it
|
Old port used 25-pins & new port
uses 9-pins
|
