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Lesson 3 basic mpc units of measurement

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Lesson 3 basic mpc units of measurement

  1. 1. Basic MPC Units of Measurement Bits Byte Kilobyte MegabyteGigabyte TerabytePetabyte
  2. 2. Basic MPC Units of Measurement a BIT  In communication and information theory is:  A unit of information equivalent to the result of choice between only 2 possible alternatives in the binary number system: 1 and 0
  3. 3. Basic MPC Units of Measurement A Byte  a sequence of 8 bits (enough to represent one character of alphanumeric data) processed as a single unit of information  Can be used to represent a single character which can be: - a letter - a number - a special character - a space
  4. 4. Basic MPC Units of Measurement 1 Byte (B) = 8 bits (b) Consider this:  1 MP3 music song usually equals to 4,000,000 Bytes  1 short typewriting document of text contains 500 Bytes
  5. 5. Basic MPC Units of Measurement Metric Unit Prefixes Relevant to MPCPrefix Symbols Power of 10 Application nano N 10-9 Usually to indicate small fractions of time: nanosecond, microsecond, millisecondmicro M 10-6 milli M 10-3 deci D 10-1 Sound measurements come in decibel (none) -- 100 kilo K 103 1000 Bytes=Kilobytes mega M 106 1,000,000 Bytes= 1 MB giga G 109 1,000,000,000 Bytes= 1 GB tera T 1012 1,000,000,000,000 Bytes= 1 TB peta P 1015 1,000,000,000,000,000 Bytes= 1
  6. 6. Activity Exercises: Convert the MPC unit of Measurement: 1. 23,000,000 B = _____________ MB 2. 87 B = ________ bits (b) 3. 91 TB = _________________ B 4. 16 PT = _________________ B 5. 2100 B = _____________ KB

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