Mycobacteria are a type of germ. There are many different kinds. The most common one causes tuberculosis. Another one causes leprosy. Still others cause infections that are called atypical mycobacterial infections.
Released with much fanfare in January of 1984, the Macintosh was the first affordable computer to include a Graphical User Interface. It was built around the new Motorola 68000 chip, which was significantly faster than previous processors, running at 8 MHz.
Classic Mac OS. The Classic Mac OS is a graphical user interface-based operating system developed by Apple Inc. for its Macintosh line of personal computers from 1984 until 2001, the original member of the family of Macintosh operating systems.