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2 definitions found
 for data rate
From WordNet (r) 3.0 (2006) :

  data rate
      n 1: the rate at which circuits or other devices operate when
           handling digital information

From The Free On-line Dictionary of Computing (30 December 2018) :

  data transfer rate
  data rate
  transfer rate
  
      (Or "throughput, data rate", "transmission
     rate") The amount of data transferred in one direction over
     a link divided by the time taken to transfer it, usually
     expressed in bits per second (bps), bytes per second (Bps) or
     baud.  The link may be anything from an interface to a hard
     disk to a radio transmission from a satellite.
  
     Where data transfer is not continuous throughout the given
     time interval, the data transfer rate is thus an average rate
     that will be lower than the peak rate.  The peak or maximum
     possible rate may itself be lower than the capacity of the
     communication channel if the channel is shared, or part of the
     signal is not considered as data, e.g. checksum or routing
     information.
  
     When applied to data rate, the multiplier prefixes "kilo-",
     "mega-", "giga-", etc. (and their abbreviations, "k", "M",
     "G", etc.) always denote powers of 1000.  For example, 64 kbps
     is 64,000 bits per second.  This contrasts with units of
     storage where they stand for powers of 1024, e.g. 1 KB =
     1024 bytes.
  
     The other important characteristic of a channel is its
     latency.
  
     The bandwidth of a channel determines the data transfer rate
     but is a different characteristic, measured in Hertz.
     [Relationship?]
  
     (2008-02-08)
  

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