Multiple Choice Test - History of Computer / Generation of Computer
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Here's a table summarizing some key events and milestones in the history of computers:
Year | Event/Milestone |
---|---|
1822 | Charles Babbage proposes a mechanical calculating machine, the Difference Engine |
1890 | Herman Hollerith develops a punch card system for the U.S. Census Bureau |
1937 | John Atanasoff and Clifford Berry develop the first electronic computer, the Atanasoff-Berry Computer |
1941 | Konrad Zuse builds the Z3, the world's first programmable computer |
1945 | John Mauchly and J. Presper Eckert build the Electronic Numerical Integrator and Computer (ENIAC) |
1951 | Remington Rand introduces the first commercial computer, the UNIVAC |
1964 | IBM introduces the System/360, the first computer system to use interchangeable software and hardware components |
1975 | Ed Roberts builds the Altair 8800, the first personal computer |
1981 | IBM introduces the first IBM PC, which becomes the standard for business computing |
1985 | Microsoft releases Windows 1.0, the first graphical user interface for IBM-compatible PCs |
1991 | Tim Berners-Lee introduces the World Wide Web |
1994 | Netscape releases the first widely-used web browser, Netscape Navigator |
2001 | Apple introduces the iPod, which revolutionizes the music industry |
2007 | Apple releases the first iPhone, launching the era of smartphones |
2010 | Apple introduces the iPad, popularizing tablet computers |
2021 | The COVID-19 pandemic accelerates the trend of remote work and online education, increasing reliance on computers and the internet |
Here's a table summarizing the generations of computers and their key characteristics:
Generation | Period | Key Characteristics |
---|---|---|
First Generation | 1940s-1950s | Used vacuum tubes for processing, were large and expensive, and consumed a lot of power. Examples include ENIAC and UNIVAC. |
Second Generation | 1950s-1960s | Used transistors for processing, which were smaller, faster, and more reliable than vacuum tubes. Examples include IBM 7090 and DEC PDP-8. |
Third Generation | 1960s-1970s | Used integrated circuits (ICs) for processing, which allowed for even smaller and faster computers. Examples include IBM System/360 and DEC PDP-11. |
Fourth Generation | 1970s-1980s | Used microprocessors, which integrated all the components of a computer on a single chip. This made computers even smaller, faster, and cheaper. Examples include Apple II and IBM PC. |
Fifth Generation | 1980s-present | Characterized by the use of artificial intelligence and advanced technologies like natural language processing and robotics. Examples include IBM Watson and Google Assistant. |
Note that some sources may use slightly different definitions for the generations of computers and their time periods. However, the above table provides a general overview of the key characteristics and technologies associated with each generation.
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