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.
Microcomputers are the most common kind of computers in use as of 2014. The term âmicrocomputerâ was introduced with the advent of systems based on single chip microprocessors. The best-known early system was the Altair 8800, introduced in 1975.