Complex sentence: The IBM 1500 instructional system was introduced by IBM on March 31,1966 and was based around either an IBM 1130 or an IBM 1800 computer, it supported up to 32 student work stations each with a variety of audiovisual capabilities.
Split into simpler sentences: The IBM 1500 instructional system was introduced by IBM on March 31,1966 and was based on an IBM 1130 or IBM 1800 computer. It supported up to 32 student work stations, each with a variety of audiovisual capabilities.