Types of Tasks

FastSlow
Focus NeededSynchronous
  • Human: Writing in a notebook
  • Computer: Simple Arithmetic
Synchronous
  • Human: Sorting a deck of cards
  • Computer: Complex calculations
Involve WaitingSynchronous
  • Human: Typing on a keyboard
  • Computer: Reading from memory
  • JavaScript: Updating a web page
Asynchronous
  • Human: Doing laundry
  • Computer: Making a server request
  • Computer: Waiting on a timer

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