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The Z1 computer was the <u>first programmable computer</u>. It was created by <b>Germany's Konrad Zuse</b>. The Z1 was a 22-bit floating point value adder and subtracter, with some control logic to make it capable of more complex operations such as multiplication and division.
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The Atanasoff-Berry Computer was the <u>first digital computer</u> which was also named ABC. It was developed by <b>Professor John Vincent Atanasoff</b> and <b>Cliff Berry</b>. The ABC was used vacuum tubes for digital computation including binary math and Boolean logic and had no CPU.
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The Colossus was the <u>first electric programmable computer</u>. It was developed by <b>Tommy Flowers</b>. It helped the British code breakers read encrypted German messages.
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The Z4 computer was t<u>he first commercial computer</u>. It was created by <b>Konrad Zuse</b>.
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The UNIVAC 1101 was the first <u>stored program computer</u>. It was designed by <b>Engineering Research Associates</b>.
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TheWhirlwind I was the <u>first computer with RAM</u>. It was developed by <b>MIT Servomechanisms Laboratory</b>.
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The TX-O was the <u>first transistor computer</u>. It was designed at the <b>MIT Lincoln Laboratory</b>.
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The PDP-1 was <u>the first minicomputer</u>. It was developed by <b>Digital Equipment Corporation</b>.
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The Intel 4004 was the <u>first microprocessor</u>. It was a 4-bit central processing unit (CPU) released by <b>Intel Corporation</b>.
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The IBM 5100 was the <u>first laptop or portable computer</u>. It was based on a 16-bit processor module called PALM.
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The Apple I was the <u>first Apple computer</u>. It was developed by <b>Steve Wozniak</b> and he sold it for $500 each.
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The IBM PC was the <u>first PC (IBM compatible) computer</u>. It was developed by <b>IBM company</b> and it had a 8088 processor, 16 KB of memory, which was expandable to 256 and utilizing MS-DOS.
