IBM PCjr

(redirected from IBM PC Junior)

IBM PCjr

(computer)
(IBM PC Junior) A floppy disk-based home computer with an Intel 8088 CPU and a chiclet keyboard, released in November 1983. The PCjr could be expanded to have two floppy drives and 640 kilobytes of RAM using sidecars. Some even had a mouse and could run drawing programs with popup menus.