The four standard ports include the following buses, except?
-
fast infrared
- high performance serial
- parallel
- serial
- universal serial
The correct answer is: A
Explanation
A serial port is also called a communication port and they are used for connection of external devices like a modem, mouse, or keyboard (basically in older PCs).
Parallel ports are generally used for connecting scanners and printers.
An Infrared(IR) port is used to send and receive infrared signals from other devices.
USB (Universal Serial Bus): This can connect all kinds of external USB devices, like external hard disk, printer, scanner, mouse, keyboard, etc.