Back pain can also result from more-serious injuries, such as a vertebral fracture or ruptured disk; from arthritis and other age-related changes in your spine; and from certain infections. Possible causes of back pain include: 1  Ankylosing spondylitis.  Meralgia paresthetica.
Noun. 1. microcomputer-a small digital computer based on a microprocessor and designed to be used by one person at a time. PC, personal computer. desktop computer-a personal computer small enough to fit conveniently in an individual workspace.
Early microcomputers themselves were based on a command-line interface such as CP/M, MS-DOS or AppleSoft BASIC. Throughout the 1980s and 1990sâespecially after the introduction of the Apple Macintosh and Microsoft Windows âcommand line interfaces were replaced in popular usage by the Graphical User Interface.