What problems did Bill Gates invention solve?

What does CPT mean in geotechnical field? How much percent marks required for software engineering? Capacitor circuits which smooth out rectified ac voltage are known? How can run Terminate and Stay Resident program in windows platform using turboc plus plus? What do circuits contain? What do you call something that cannot pass electricity? What is the meant class? How do you protect your school from a flood? How does a vacuum circuit breaker operate? What genetic disorder comes from pacinian corpuscles? What is the required gravel size to be mixed with cement for a 6 inches thickness floor of driveway? What is the best way to describe the function of a typical transistor in an electronic circuit? How do you measure loop impedance on a TT system? Which cable is suitable for 12kW? What steps do schools go through to change their uniform? What does nymphomania c mean? What methods are used to align the drill with the workpiece and the use of centre drills and pilot drills? What was the name of the first electric train in India? How many play flyff? What is inline css?