The Ancient Chinese invented paper and money. Money was invented by the first king of China and paper was invented by a man in China by bamboo.
Example C Program to Catch a Signal. Most of the Linux users use the key combination Ctr+C to terminate processes in Linux. Have you ever thought of what goes behind this. Well, whenever ctrl+c is pressed, a signal SIGINT is sent to the process. The default action of this signal is to terminate the process. But this signal can also be handled.
Two different types of cells in your heart enable the electrical signal to control your heartbeat: 1  Conducting cells carry your heart's electrical signal. 2  Muscle cells enable your heart's chambers to contract, an action triggered by your heart's electrical signal. The electrical signal travels through the network of conducting cell pathways, which stimulates your upper chambers (atria) and lower chambers (ventricles) to contract.