The USB cable standard has the following advantages over the serial cable type

1.The USB cable is "hot swappable", in other words, you can connect and disconnect the cable while the computer is running without worrying about freezing the computer
2.The USB cable is fast and the transmission speed is up to 480mbps. It is compared with serial communication transmitting data at about 20 Kbps
3.The USB cable can transmit both power and signal. This allows "USB powered" gadgets as well as batteries in cameras and other USB peripherals to charge
4.USB cable is designed with many different connector types, which can easily identify which plug is inserted into the computer and which plug is inserted into the peripheral device.
5.USB cable is a universal standard, easy to find and affordable