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.
For example, a 32-bit microprocessor that runsat 50MHz is more powerful than a 16-bit microprocessor that runs at 25MHz. In addition to bandwidth and clock speed, microprocessors are classified as being either RISC (reduced instruction set computer) or CISC(complex instruction set computer).