- 1990- Motorola introduces the 68040 microprocessor.
- IBM announces its RISC Station 6000 family of high performance workstations.
- Digital Equipment introduces a fault-tolerant VAX computer.
- Cray Research unveils an entry-level supercomputer, the Y-MP2E, with a starting price of $2.2M.
- Microsoft introduces Windows 3.0.
- Lotus wins its look and feel suit against Paperback Software's spreadsheet program.
- IBM ships the PS/1, a computer for consumers and home offices.
- IBM announces the System 390 (code name Summit), its mainframe computer for the 1990s.
Microsoft's fiscal year revenue ending 6/30/90 exceeds $1B.
- NCR abandons its proprietary mainframes in favor of systems based on single or multiple Intel 486 and successor microprocessors.
- Apple introduces its low-end Macintoshes: The Classic, LC and IISI.
- Intel launches a parallel supercomputer using over 500 860 RISC microprocessors.
- Sun Microsystems brings out the SPARCstation 2.
- Microsoft along with IBM, Tandy, AT&T and others announced hardware and software specifications for multimedia platforms.
- The first SPARC compatible workstations are introduced.