Define port? Give types of port available?
Ans: An I/O interface consists of circuitry needed to connect an I/O device to computer bus. One side consists of a data path contain its linked controls to transfer data among the I/O device and interface. It is called port. It can classify into:
- Serial port.
- Parallel port
Define SCSI?
Ans: It is the short form for small computer system interface. It refers to a standard bus defined ANSI. Component such as disks are linked to a computer using 50-wire cable, which 25 meters long in length and may transfer data at rate up to 55megabytes/s.
Explained USB
Ans: The Universal Serial Bus(USB) is an industry standard developed to provide 2 speed of operation known as full-speed and low- speed. They provide easy, low cost and easy to use interconnection system.