Which groundbreaking product design innovation from the 1970s is credited with creating the first successful mass-market personal computer?

In the history of technological innovations, some product designs fundamentally change how we interact with technology. The 1970s saw a revolutionary shift in computing that made it accessible to the average person. This question explores a pivotal moment in product design history that transformed computers from institutional machines to personal tools - setting the stage for the digital world we know today.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The Apple I's pre-assembled circuit board that eliminated the need for users to solder their own components
IBM's introduction of magnetic strip storage that replaced punch cards in home computing
Xerox PARC's development of the first GUI interface with commercial applications
Texas Instruments' release of the first silicon microprocessor for consumer devices