Computer History Crossword Puzzle

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Across
  1. 3. This is the "brain" of your computer. Everything that happens in your computer has to go through this piece of hardware.
  2. 7. These are the earliest modern photographs, invented by Charles Daguerre in 1839. It could take anywhere from half a minute to several hours to take one of these.
  3. 9. This was the earliest version of the internet, and originally connected university computers at UCLA to Stanford in 1969.
  4. 10. This is a tiny switch that functions as a logic gate. Early ones were made with vacuum tubes, but now your computer has billions of them!
  5. 12. This is the code made of zeroes and ones that all computers use.
  6. 15. This Sumerian devices for adding and subtracting was invented almost 5,000 years ago!
  7. 16. This was the earliest device for recording and playing back sound. Modern ones are called record players.
Down
  1. 1. This man decoded German Enigma messages during WWII and is considered the father of artificial intelligence.
  2. 2. This is the same thing as a computer chip, and it connects whole networks of transistors.
  3. 3. He invented the first computer, the Analytical Engine, in 1837.
  4. 4. This is the opposite of software and refers to all the physical parts of your computer
  5. 5. This is the "heart" of your computer. It allows all the parts of your computer to communicate with each other.
  6. 6. This was the first color movie. It follows a girl from Kansas who is transported to a magical land full of witches and talking animals.
  7. 8. This is "thinking space" for your computer to run programs on. It can fit a lot of data on it at a time, but doesn't save anything when you shut the computer down.
  8. 10. This Pixar film was the first movie to be fully animated with CGI.
  9. 11. She wrote the first computer programs and was the first person to realize that computers could be used for things other than math.
  10. 13. This is the spinning disk that stores all your data on most high-performing computers.
  11. 14. This is the word for how many times a camera records a picture every second, or how often the screen on a video game refreshes.