Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The IBM 5120 Computing System (sometimes referred to as the IBM 5110 Model 3) was announced in February 1980 as the desktop follow-on to the IBM 5110 Portable Computer. It featured two built-in 8-inch 1.2 MB floppy disk drives, 9-inch monochrome monitor, BASIC Programming Language, 32K RAM and optional IBM 5114 stand-alone diskette unit with two additional 8-inch 1.2 MB floppy disk drives.Other computer data storage products were available from Core International, Inc for these machines.

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