Intro to Bits, Bytes, and Storage

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A draft of the first lesson in a unit related to Computer Hardware from CT 2104

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Intro to Bits, Bytes, and Storage

  1. 1. Bits, Bytes, and Storage<br />
  2. 2. How can we relate to the terms Bits and Bytes?<br />“This computer has a 64-bit processor with 4 Gigabytes of RAM and 200 Gigabytes of hard disk space”<br />“My parents played Atari (8-bit) and I play Nintendo (64-bit)”<br />
  3. 3. Key Terms<br />Bits<br />Bytes<br />Binary numbers<br />All of the prefixes related to storage<br />KB<br />MB<br />GB<br />TB<br />
  4. 4. Bit<br />bit = From a shortening of the words “binary digit”<br />the basic unit of information for computers<br />1 or 0 are the only values <br />
  5. 5. Byte<br />Byte = 8 bits<br />Each keyboard character is stored as a Byte<br />Example  A = 01000001 <br />
  6. 6. This is an excellent diagram<br />
  7. 7. Text to binary conversionhttp://www.digitalcoding.com/tools/text-to-binary-conversion.html<br />010101000110100001100101001000000110110001100101 011000010110011001110011001000000110101101101001<br />011000110110101101100101011001000010000001110011<br />011011110110110101100101001000000100100001100001<br />011000100010000001100001011100100111001101100101<br />001000000110110001100001011100110111010000100000<br />0110111001101001011001110110100001110100<br />The Leafs kicked some Habarse last night<br />
  8. 8. How does a computer processor understand bytes????<br />The processor is made of zillions of Transistors. <br />Transistor on = 1<br />Transistor off = 0<br />
  9. 9. 9<br /><ul><li>A transistor is a switch.
  10. 10. Switch on = 1
  11. 11. Switch off = 0
  12. 12. The ”A” exists as a pattern in eight transistors, where some are “turned on” (charged) and others are not.
  13. 13. Together these 8 transistors make up one byte. </li></li></ul><li>Give this a shot…..<br />The Binary Math Game<br />
  14. 14. UNITS  Big & Way Big Bytes<br />Byte a grouping of eight bits for instance --> 0110 0001<br />Kb (kilobyte) about 1000 bytes<br />Mb (megabyte) about one thousand Kb or one million bytes<br />Gb (gigabyte) about one thousand Mb or one billion bytes<br />Tb (terabyte) is about one thousand Gb or one trillion bytes<br />
  15. 15. Terms for Storage Capacities <br />1 bit = 0 or 1 (b)<br />8 bits = 1 byte (B)<br />1 thousand bytes = kilobyte (KB)<br />1 million bytes = megabyte (MB)<br />1 billion bytes = gigabyte (GB)<br />1 trillion = terabyte (TB)<br />
  16. 16. A file with size = 201 Bytes<br />
  17. 17.
  18. 18. MB of data<br />GB of data<br />
  19. 19. Terabytes = a trillion bytes<br />

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