![]() ![]() ![]() It is basically a standard cable connection interface between computer and external device. These ports provides no restriction on key rollover.These ports are still favoured in organisation for security reason.These are basically used by old computers for connecting mouse or keyboard.These are basically 6 pin mini Din connector used to connect keyboard, mice to a PC compatible computers. Data travels at a speed of 150 kilo bits per second.These are basically used to connect peripherals such as scanners or printers.Data travels at a speed of 115 kilo-bits per second.Ī parallel port is basically a parallel communication interface through which information transforms multiple bits at a time.These are basically available in two versions in market these are 9 pins, 25 pin models.These are basically used for external modems.It is one of the oldest type of interfaces. ![]()
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