One device that is used to show a film might include a film projector. Another device that is used to show a film might be a DVD player or a television.
An oscilloscope is a device that is used to electronically show the crest and trough of sounds. These were previously called oscillographs.
The TV show Quantum Leap might be the show you are looking for. "Putting things right that once went wrong" might be what you mean by fixing it. Another time travel show was Time Tunnel (1966)
The getchar is used when you are getting a single character from the user. The putchar is used to show one character at a time as output on the standard device.
he used rhetorical device
You may have used it to much. After a while your AR gets run down and starts not showing up... time to buy a new one.
A line graph is used to show data over time.
No, it's really a memory device. It can be used to store data for a long time.
The DinnerTime app is a parental control app where you can pause the device from being used for any period of time. The app is installed on the parent's device, and also on the child's device. Once linked, you can control the child's device.
A webcam is an input device. A computer monitor is the output device that is used to view the webcams input, usually in real time.
The clock has been used to tell time on ships for centuries.
The device is a weather vane.
An analogue clock is usually a device with a dial and two (or more) hands that show the time.
Which device is used as input as well as output
the timing device is a device that takes you back in time in time tangled island
A "display", used as a noun, is a device designed to display (show) information; for example, a computer monitor.
a thinga ma jigger