Across
- 2. Created the Electronic Numerical Integrator and Computer, which was the first general-purpose electronic digital computer.
- 4. Mathematician known for their invention of the slide rule.
- 6. Developed the architecture model for digital computers that forms the basis for most modern computers.
- 7. Invented the first integrated circuit.
- 9. Invented the first computer compiler known as A-0, a program that translated mathematical code into machine-readable code.
- 13. Proposed a law which makes the observation that the number of transistors in an integrated circuit doubles about every two years.
- 14. Developed a branch of algebra that is fundamental to digital circuit design and computer logic.
- 15. Invented the first mechanical calculator.
- 18. The original designer of IBM's Harvard Mark I, the United States' first programmable computer.
- 19. Invented random-access, coincident-current magnetic storage, which was the standard memory device for early digital computers.
- 20. Considered the inventor of binary arithmetic, which is the representational basis for today's digital computing.
Down
- 1. Developed one of the first general purpose computer programming languages known as Fortan.
- 3. Invented a machine known as the Bombe, which helped decipher German Enigma-machine-encrypted secret messages during World War 2.
- 5. Known for designing the Analytical Engine.
- 8. Invented the tabulating machine, which was an electromechanical machine that helped summarize information that was stored on punched cards.
- 10. Inventor of email.
- 11. Credited with inventing the world's first working programmable, fully digital automatic computer known as the Z3.
- 12. Invented the telecommunication method that uses dots and dashes.
- 16. Considered the world’s first computer programmer.
- 17. Played a critical role in popularizing an operating system known as Microsoft Windows, which had a significant impact on the development of the personal computer industry.