Complex sentence: It was Turing complete, with conditional branching, and programmable to solve a wide range of problems, but its program was held in the state of switches in patchcords, not in memory, and it could take several days to reprogram.
Split into simpler sentences: It was Turing complete, with conditional branching, and programmable to solve a wide range of problems. However its program was held in the state of switches in patchcords and not in memory, so it could take several days to reprogram.