History of the Computer

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