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.
While it was Babbage who invented the first Computer in Cambridge, another Englishman Alan Turing the Father of modern computer science provided an influential formalisation of the concept of the algorithm and computation with the Turing machine in 1936. 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.