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the history of computers starts with the abacus. the abacus was a wooden rack with metal rods with beads on them. the abacus was used to preform mathematical functions. -
in the 17th century mathematicians created mechanical calculators that could do arithmetic operations. -
in the 19th century Charles Babbage had a vision of the analytical engine. it was considered the first programmable mechanical computer. the machine was never fully built in his life time but Ada Lovelace saw the potential in the engine and wrote the algorithms for the machine. -
in the mid 20th century there was a shift to electronic computers. the creation of vacuum tubes made faster and more reliable computations. the vacuum tube is an electronic device that uses a vacuum as an insulator and to shield against electronic currents. -
in 1945 the Electronic Numerical Integrator and Computer ( ENIAC ) came as the first general purpose electronic digital computer. it was built for the United states army to calculate artillery firing tables. -
december 23 1947 the transistor was invented. it was created to replace the big vacuum tubes, making computers smaller, and more affordable -
Grace Hopper made the first computer language. it was a program that translates written instructions into codes that computers can read. -
Douglas Engelbart showed his prototype of the modern computer in a computer conference. this made the development of the computer from a academic machine to a technology that everybody would use -
DRAM is the first Dynamic Access Memory chip -
Ralph Baer released Magnavox odyssey the worlds first home game console. Months later, Nolan Bushnell release pong the first commercially successful video game -
Steve Jobs and Steve Wozniak co found apple computer on April Fools Day. later they make Apple 1, the first computer with a single circuit board and ROM( Read Only Memory) -
there was a fair held in San Francisco Steve jobs and Wozniak showed their Apple ||. it had color graphics and featured an audio cassette drive for storage. -
the Apple Lisa was the first personal computer to feature a GUI. it had a drop down menu and icons. -
The Pentium microprocessor advances the the grafics and music on PCs -
google buys android a linux-based mobile phone operating system -
microsoft launches windows 7 a new system that can pin applications on task bar ect. -
apple launches the first hand held tablet -
google releases the chromebook -
apple releases the apple watch -
the quantum computer had the capability to program new algorithms