Test your tech knowledge - Computers, the internet, smartphones, social media, and the innovations shaping our world.
Technology has transformed human civilization more rapidly in the last 200 years than in all of previous history combined. The Industrial Revolution (1760 - 1840) mechanized production; the Second Industrial Revolution (1870 - 1914) brought electricity, steel, and chemicals; and the Digital Revolution (1960s - Present) has computerized information and communication. The invention of the transistor in 1947 at Bell Labs is widely considered the most important technological achievement of the 20th century, enabling the entire modern electronics industry.
The World Wide Web was invented by Tim Berners-Lee in 1989 while working at CERN in Switzerland - Distinct from the internet itself (which existed since 1969 as ARPANET). The first iPhone was released by Apple on June 29, 2007, and fundamentally changed how people use computers and communicate. Social media platforms like Facebook (2004), YouTube (2005), Twitter (2006), Instagram (2010), and TikTok (2016) have transformed communication, commerce, and politics. Try the Science Quiz for scientific foundations of technology, or explore the General Knowledge Quiz for broader knowledge.
Artificial intelligence (AI) has emerged as the defining technology of the 2020s. Machine learning - Where AI systems learn from data rather than being explicitly programmed - Enables applications from facial recognition to medical diagnosis to natural language processing. The launch of ChatGPT by OpenAI in November 2022 demonstrated large language models' capabilities to the general public and sparked enormous investment and interest in generative AI. Moore's Law - The observation that transistor density on microchips doubles approximately every two years - Has driven exponential improvement in computing power since the 1960s.
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