Today in 1911, the Computing-Tabulating-Recording Company was incorporated. It changed its name to IBM in 1924. Many commentators on IBM’s centenary attribute its longevity to the power of idea or ideas.
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On April 3, 1986, IBM introduced the 5140 “Convertible.” It weighed 12 lbs., listed at $1,995, and had a grand total of 256K Random Access Memory, or “RAM.” It was considered a big improvement over its predecessor, the giant IBM Portable PC 5155, which was introduced in 1984. That model, which was much bulkier, had a handle on it, giving it “portability.”