Unrelated business income tax is a tax on all income earned from an unrelated business activity, minus tax deductions as a result of producing that income. It is a trade or business. This includes any activity carried on for the production of income from selling goods or performing services.
The power button is a round or square button that powers an electronic device on and off. Nearly all electronic devices have power buttons or power switches. Typically, the device powers on when the button is pressed and powers off when the button is pressed again. A hard power button is mechanical - you can feel a click when pressed and usually see a difference in depth when the switch is on versus when it's not.
When referring to hardware, a button is a physical button on a hardware device. For example, the button on the front of your computer monitor used to turn the monitor on and off is an example of this button. The picture is an example of a power button found on the front of the computer. 1  Computer does not turn on. 2  Computer does not turn off.