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.
Smaller microcomputers are also called mobile devices 1  : Laptops and notebook computers â Portable and all in one case. 2  Tablet computer â Like laptops, but with a touch-screen, entirely replacing the physical keyboard. 3  Smartphones, smartbooks, PDAs and palmtop computers â Small handheld computers with limited hardware. 4  Programmable calculator â ...