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History of Computer Science

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1837 - Analytical Engine

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Proposed by Charles Babbage, it was the first conception of a general-purpose computer. This design laid the groundwork for the computers we use today.

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1936 - Turing Machine Concept

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Alan Turing proposed a theoretical device that could simulate the logic of any computer algorithm, fundamental for computer science theory.

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1943-44 - Colossus Computer

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First electronic digital programmable computer, designed to break the German Lorenz cipher during World War II.

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1945 - von Neumann Architecture

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John von Neumann's design principle for a computer architecture, which includes a processing unit, a control unit, memory, external mass storage, and input and output mechanisms.

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1953 - Transistor-Based Computer

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The IBM 701 was the first IBM machine to use transistor circuits without any vacuum tubes and marked the start of a new computer generation.

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1956 - Hard Disk Drive Invented

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IBM's RAMAC 305 system introduced the world's first commercial hard disk drive (HDD), significantly increasing the data storage capacity for computers.

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1958 - Integrated Circuit

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Jack Kilby and Robert Noyce independently developed the integrated circuit, which allowed for electronic components to be miniaturized on a semiconductor chip.

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1969 - ARPANET

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The first message was sent over ARPANET, the predecessor to the modern Internet, marking the beginning of networked communication.

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1971 - Microprocessor

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Intel released the 4004, the world's first commercially available microprocessor, which integrated CPU function onto a single chip.

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1973 - Ethernet Invented

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Bob Metcalfe and David Boggs invented Ethernet, a technology for networked communication between computers within a localized area.

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1975 - Altair 8800

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The Altair 8800 was released as the first popular home microcomputer, sparking interest in personal computing and leading to the software revolution.

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1983 - Domain Name System (DNS)

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The domain name system was created, allowing users to access websites using human-readable names instead of numerical IP addresses.

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1984 - Apple Macintosh

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Apple introduced the Macintosh, which was the first commercially successful personal computer to feature a mouse and a graphical user interface.

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1990 - World Wide Web

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Tim Berners-Lee invented the World Wide Web, which became the main interface for accessing information on the Internet, using web browsers to access web pages.

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1991 - Linux

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Linus Torvalds released the first version of the Linux kernel, which formed the basis for a free and open-source software ecosystem that's widely used today.

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1993 - Mosaic Web Browser

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The Mosaic web browser was released, significantly contributing to the popularization of the World Wide Web with its user-friendly interface.

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1996 - USB Standard

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The USB standard was released, creating a universal interface for connecting peripheral devices to computers, unified across all major PC manufacturers.

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1999 - Wi-Fi

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The term 'Wi-Fi' was coined, and the technology was standardized, allowing devices to connect to the Internet wirelessly with the IEEE 802.11 standards.

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2004 - Facebook Launch

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Mark Zuckerberg launched Facebook from his Harvard dormitory room, paving the way for the overwhelming influence of social media on modern communication and media.

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2007 - iPhone

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Apple introduced the iPhone, revolutionizing the smartphone industry by combining a mobile phone, iPod, and internet communicator into a single device with a touchscreen interface.

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2008 - Android

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Google launched the Android operating system for mobile devices, offering an open and free alternative to Apple's iOS, which has significantly increased smartphone adoption.

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2009 - Bitcoin

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The Bitcoin network went live with the release of the first open-source Bitcoin client, introducing the concept of cryptocurrency and blockchain technology.

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2010 - iPad

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Apple launched the iPad, creating a new category of portable computing devices between smartphones and laptops, expanding the role of tablet computers in personal and professional settings.

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2011 - IBM's Watson

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IBM's supercomputer Watson competed on Jeopardy! and won against human champions, highlighting advances in artificial intelligence and natural language processing.

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2016 - AlphaGo

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DeepMind's AlphaGo AI defeated a professional Go player, Lee Sedol, showcasing breakthroughs in machine learning and complex problem-solving capabilities of AI.

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