How to pronounce “bulb”(adj) in English

as well as the rate of decline in their cost, has been unparalleled in any other segment of the economy. So before transistors, computers used vacuum tubes, which are sort of lightbulb like-devices that would turn on and off, on and off to produce the ones and zeros. And they were cutting edge for their time, but they had huge inefficiencies. They wasted a lot of heat,for example, they worked pretty slowly. And they also, because they created light, attracted moths, and so computers had to be regularly debugged in the early days of computing, which meant removing