Complex sentence: Apple Inc. 's then-chairman Steve Jobs introduced the first Macintosh on January 24,1984, and became the first commercially successful personal computer to feature a mouse and a graphical user interface rather than a command-line interface.
Split into simpler sentences: Apple Inc. 's then-chairman Steve Jobs introduced the first Macintosh on January 24,1984. It became the first commercially successful personal computer to feature a mouse and a graphical user interface, rather than a command-line interface.