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.
Dell Inspiron Logo. The Dell Inspiron is a computer product line produced by Dell as a range of laptop computers targeted at entry-level consumers. Early models were equipped with Mobile Celeron or Mobile Pentium II processors and SDRAM, with the machine's starting price at $2,799..