Both these effects reduce the workload of the heart, so beta blockers are of value in treating the symptoms of angina pectoris, the chest pain brought on by narrowing of the coronary arteries that causes inadequate delivery of oxygen-rich blood to the heart muscle.
3 1. The invention and the history of the Dell computer is quite interesting. First of all, it was in 1984 when Michael Dell, a student at the University of Texas at Austin, created the company PC's Limited. He only had a starting capital of $1,000.
Cambridge, England.. is where the 1st Computer was invented by Charles Babbage. Meanwhile Ada Lovelace is credited as the first Computer programmer since she was writing programs-that is, manipulating symbols according to rules-for Babbages machine. think it was Charles Babbage who invented the first programmable computer. answer 2 Atanasoff, at Iowa State developed an electronic digital computer in 1936, with associat â¦ e Berry.