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Classic Questions
  1. Why do computers use the binary number system?
  2. Which digits are used to represent binary numbers?
  3. Each hexadecimal digit is represented by how many binary digits?
  4. What's the biggest digit you can represent in binary with 8 bits?
  5. What's the TOTAL NUMBER of digits you can represent in binary with 8-bits?
  6. Why would you get an overflow error if you add these two binary nibbles: 1000 and 1000?
  7. Why do programmers use hexadecimal instead of denary?
  8. Explain how binary could be used to encode a black and white image.
  9. Put these in order of size with the smallest first: terabyte, bit, byte, megayte, gigabyte, nibble
  10. How many bits are in a nibble?
  11. How many nibbles are in a bit?
  12. How many bits are in a byte?
  13. How many bytes are in a kilobyte?
  14. The ASCII character set uses 7 bits to encode each letter. What is the maximum number of characters that can be encoded?
  15. What is a limitation of ASCII and how can this be overcome?
  16. How is the character 'A' (65) represented in binary?
  17. How many bits do you need to encode 128 different characters?
  18. What is the impact on storage requirements of increasing the resolution of an image being stored?

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