The invention of transistors ushered in which age?

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The main idea is how the invention of the transistor changed technology and daily life by making electronic devices smaller, faster, and more reliable. Transistors replaced bulky vacuum tubes and opened the door to compact radios, computers, and a vast array of electronic systems, fueling rapid advances in processing and communication. This shift is why many describe the era as the Electronic Age—an era defined by solid-state electronics that transform how we generate, store, and transmit information. The Information Age, while built on these electronic foundations and focusing on digital information and networks, is a broader label that comes after electronics became widespread; the transistor’s impact first and most clearly signals the move into electronic technology. The other options don’t fit because they’re either far earlier or refer to information-focused development rather than the pervasive electronic technology enabled by transistors.