Explain in details the various standard I/O interfaces.

The various standard I/O interfaces are: 

1. The Peripheral component interconnect(PCI) bus is a standard that supports the functions found on a processor bus but in a standardized format that is independent of any certain processor

2. It is the acronym for small computer system interface. It refers to a standard bus explained ANSI. Devices such as disks are linked to a computer via 50-wire cable, which can be upto 25 meters in length and can transfer data at rate up to 55 megabytes/s.

3. The Universal Serial Bus(USB) is an industry standard developed to give two speed of operation called low-speed and full-speed. They provide easy, low cost and simple to use interconnection system.