- World First Computer Now Years Old eTeknix
- ENIAC -
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- How the World's First Computer Was Rescued From Scrap Heap | WIRED
- The world's first general purpose computer 75 | Penn
- Chip Hall of 4004 Microprocessor - IEEE Spectrum
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- When Was the First Computer
- Intel the first CPU, is 40 years old today | Extremetech
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- computers: brief timeline | Live Science
- Who knows ? The first computer Specifications… | by Liveday | Medium
- File:World's First Computer, Electronic Numerical Integrator and Calculator (ENIAC).gif Wikimedia Commons
- Intel – The World's First Single Microprocessor | Technology Facts
- Weird Science World's First Computer
- Who invented computers? Bricsys Blog
- 4004:claimed the world's first microprocessor.
- History of CPUs | Computer Wiki | Fandom
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- Intel 4004 - The Microprocessor with Chipset 4001, | ChipScapes
- | Timeline of Computer History | History Museum
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- The world's first general purpose computer 75 | Penn
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