apples to oranges comparison. 1990 is early days for MS. 1990 is gorilla days for IBM.
For reference, IBM was founded in 1911. At the time "computer" was a profession, not a machine, and the majority of US households had no electricity or telephone service
For reference, IBM was founded in 1911. At the time "computer" was a profession, not a machine, and the majority of US households had no electricity or telephone service