yes
The first one that I know of was the SAGE computer's light gun in the middle 1950s.
Electric Light Bulb
On a desktop, the power button will usually light up. On a laptop, the power lights (located on the front of the laptop) will usually light up first.
if there I a green light on the bottom of your computer
First, run a computer diagnostic test to see why the diagnostic light is on. The computer is trying to tell you something. If the light is on the computer has stored a fault code for you to read.
no, Australia did not have the first computer in the world
The orange light along with the clicking sound means that the computer is loading
light source
The electric light bulb was invented first, with Thomas Edison developing a practical version in 1879. The refrigerator followed, becoming commercially available in the early 20th century. The laptop computer was developed in the late 1970s, and the digital camera was introduced in the late 1980s. Thus, the order of invention is the electric light bulb, refrigerator, laptop computer, and then digital camera.
You could have a wiring issue between the computer and the light, or you have a bad computer.
You first have to repair the failure that caused the code stored in the engine computer. Then the light can be cleared with a scan tool.
Normally it means your computer is charging, i suggest you tell us what model the computer is and where the light is! ;)