Computer Data Units Quiz

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Questions and Answers

What is the smallest unit of information on a computer?

  • Kilobyte
  • Byte
  • Bit (correct)
  • Megabyte

How many bits compose a byte?

8

How many bytes are in a kilobyte (KB)?

approximately 1000

How many bytes are in a megabyte (MB)?

<p>approximately 1 million</p> Signup and view all the answers

How many bytes are in a gigabyte (GB)?

<p>approximately 1 billion</p> Signup and view all the answers

How many bytes are in a terabyte (TB)?

<p>approximately 1 trillion</p> Signup and view all the answers

How many bytes are in a petabyte (PB)?

<p>approximately 1 quadrillion</p> Signup and view all the answers

How many bytes are in an exabyte (EB)?

<p>approximately 1 quintillion</p> Signup and view all the answers

How many bytes are in a zettabyte (ZB)?

<p>approximately 1 sextillion</p> Signup and view all the answers

How many bytes are in a yottabyte (YB)?

<p>approximately 1 septillion</p> Signup and view all the answers

How many bytes are in a brontobyte (BB)?

<p>approximately 1 octillion</p> Signup and view all the answers

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Study Notes

Computer Data Units

  • Bit: The smallest unit of information in computing, represented as either a 1 (on) or 0 (off).
  • Byte: Comprised of 8 bits, represents a single character of data.
  • Kilobyte (KB): Roughly equates to one thousand bytes, used to measure small files.
  • Megabyte (MB): Approximately one million bytes, commonly used for larger files like images.
  • Gigabyte (GB): Equivalent to about one billion bytes, often used for storage capacities in devices.
  • Terabyte (TB): Roughly one trillion bytes, utilized for larger storage solutions, like hard drives.
  • Petabyte (PB): Approximately one quadrillion bytes, often used in data centers and large-scale storage systems.
  • Exabyte (EB): Corresponds to about one quintillion bytes, represents vast data storage capabilities.
  • Zettabyte (ZB): Roughly one sextillion bytes, significant for measuring global data usage trends.
  • Yottabyte (YB): Approximately one septillion bytes, represents extremely large data scales.
  • Brontobyte (BB): Equals about one octillion bytes, used primarily in theoretical data capacities without practical applications yet.

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