Across
- 2. What early Apple computer was designed by Steve Wozniak and sold beginning in 1976?
- 3. What company introduced the Intel 4004 one of the first commercially available microprocessors?
- 7. What personal computer introduced by IBM in 1981 became highly influential in the PC market?
- 8. Who is often considered the first computer programmer because of her work with Charles Babbage's Analytical Engine?
- 10. Who developed a punched-card system used to process data for the 1890 United States Census?
- 13. What generation of computers primarily used transistors?
- 14. What is the smallest unit of digital data represented by a zero or one?
- 17. What type of large powerful computer became widely used by governments and businesses?
- 18. What mechanical computing machine designed by Charles Babbage included ideas similar to a modern computer?
- 19. What unit of computer data usually consists of eight bits?
- 21. What abbreviation describes a system that lets users interact with computers using windows icons menus and a pointer?
- 22. What system of linked webpages and resources was invented by Tim Berners-Lee?
- 24. What is a step-by-step procedure for solving a problem or completing a task?
- 26. What German encryption machine did Allied codebreakers work to decipher during World War II?
- 30. What generation of computers began with the widespread use of microprocessors?
- 32. What invention placed the major processing functions of a computer onto a single chip?
- 34. Who invented the World Wide Web while working at CERN?
- 35. What generation of computers primarily used integrated circuits?
- 37. What major computer company grew from businesses associated with punched-card data processing?
- 38. What paper card with holes was used to enter and store data in early computing systems?
- 39. What set of instructions tells a computer what tasks to perform?
- 40. Who designed the Difference Engine and Analytical Engine in the 1800s?
- 41. What number system using only zero and one is fundamental to digital computers?
- 42. What theoretical computing device did Alan Turing describe in 1936?
Down
- 1. What generation of computers primarily used vacuum tubes?
- 2. What early computer network became an important predecessor to the modern Internet?
- 4. What British location became famous for codebreaking work during World War II?
- 5. Who is credited with inventing the computer mouse and demonstrating important interactive computing technologies?
- 6. Who designed the Apple I and helped develop the Apple II?
- 7. What technology placed multiple electronic components onto a single small chip?
- 9. What successful early personal computer helped make computers more common in homes schools and businesses?
- 11. What smaller and more reliable electronic component replaced vacuum tubes in computers?
- 12. What computer company was founded by Steve Jobs Steve Wozniak and Ronald Wayne in 1976?
- 15. What British mathematician helped develop the foundations of computer science and artificial intelligence?
- 16. What worldwide network connects computers and smaller networks around the globe?
- 20. What ancient calculating device used beads moved along rods to perform arithmetic?
- 23. What mechanical calculating machine did Charles Babbage design to automatically calculate mathematical tables?
- 25. What British electronic computer was built during World War II to help break encrypted German messages?
- 27. What electronic component was used in first-generation computers before transistors?
- 28. Who co-founded Apple and became one of the best-known figures in personal computing?
- 29. What software company was founded by Bill Gates and Paul Allen in 1975?
- 31. What term describes the physical parts of a computer?
- 33. What term describes the programs and instructions that run on computer hardware?
- 36. What famous early general-purpose electronic computer was completed in the 1940s?