ELECTRONICS

A gadget is a small tool such as a machine that has a particular function, but is often thought of as a novelty. Gadgets are sometimes referred to as gizmos. Gizmos in particular are a bit different than gadgets. Gadgets in particular are small tools powered by electronic principles (a circuit board).


A USB flash drive, also commonly known as a USB drive, USB stick, USB key, USB, and a variety of other names,  is a data storage device that includes flash memory with an integrated USB interface. USB flash drives are typically removable and rewritable, and physically much smaller than an optical disc.
Router: a device which divides the internet connection(or a network) to many devices (laptop,PC,mobile,etc). This can be done in both modes...wired LAN or wireless WLAN (WIFI). MODEM: full form is MODulator and DEModulator. Called as MODEM in short when words are combined