Laptop professionals should have good reasoning and logical problem fixing abilities, be observant, alert to element and tenacious in pursuing problems to completion. IBM establishes the 650 as its first mass-produced computer, with the corporate promoting 450 in only one year. Spinning at 12,500 rpm, the 650´s magnetic data-storage drum allowed much sooner access to stored info than different drum-primarily based machines. The Model 650 was also highly well-liked in universities, the place a technology of students first discovered programming.