. Universal Serial Bus is an interface which allows computer to connect with peripherals and other devices.
. USB can also be used to power devices like smartphones, tablets etc.
. First released in 1996.
USB Ports:
. USB cables are connect to computer or other devices at USB ports.
. In a desktop, we can find 2-4 ports in front and 2-8 ports in back.
. In tablets or mobiles, USB port is charging port which works both for charging and data exchange.
USB devices:
. Most of the electronic devices we use have USB connection support.
. It made us so easy to get connected to number of devices.
. Before USB, devices are used to get connected using serial or parallel ports which requires extra circuit inside to get compatible.
. Following are few devices which supports USB connection:
. Keyboard
. Mouse
. Printers
. Scanners
. Digital cameras
. Webcams
. MP3 players
. Smartphones
. Tablets
Types of USB:
. Type A: Most USB cables have Type-A on one end which is to connect peripherals like keyboard, mouse to computer.
. Type B: It is square type connector which is used to connect printers, scanners and other powered devices to computer.
. Mini USB: These are smaller than Standard USB. Mostly used in cameras and some other devices.
Smartphones, tablets used Mini USB before the usage of today's Micro USBs.
. Micro USB: These are much smaller compared to Mini USBs.
Currently used by all smartphones, tablets and other portable devices both for data and power.
. Type C: It offers higher power and data rates when compared to other types.
Adopted to use in laptops, some tablets and phones.