The world’s biggest tech companies are betting big on computers that control themselves | CNN Business

New York — 

For at least a decade, tech giants have tried to develop computers that can handle complicated tasks on a user’s behalf. But those efforts have largely fallen flat, with assistants like Alexa and Siri mostly being used for things like setting alarms and playing music.

Some of the world’s biggest tech companies are betting that’s about to change.

Nvidia, Microsoft, Google and other tech companies have recently introduced new technologies they believe could set the stage for a future with fewer keyboards and mice. That includes new chips, laptops and software – many announced this week – designed to…