It is battery-powered
The TENS device is a small battery-powered stimulator that produces low-intensity electrical signals through electrodes on or near a painful area, producing a tingling sensation that reduces pain
into memory
Airplane is a device powered either by a piston engine and prop or by a jet engine.
A hammer.
stand by: battery powered circuit is used when AC input fails inline device: battery powered circuit is used continually Verified :"Inline & standby" . A+ test answer 19 June 2011.
Yes It retains information even when powered down. vs RAM which is a volatile storage device because the information is lost when it's powered down.
Yes It retains information even when powered down. vs RAM which is a volatile storage device because the information is lost when it's powered down.
A power indicator would be any device (such as a meter, LED, or piezo buzzer) that indicates that a device is powered up and/or how much power the device has.
a boiler (a device for heating water) that is powered by gas
1850 patent by Joel Houghton of a hand-powered device.
To match the need of the device being powered.
A smartphone is a device that uses energy, typically powered by a rechargeable battery to operate its various functions and features.