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How a Computer Works

Hardware vs. software

One phone has a cracked screen. Another phone has an app that keeps freezing. The phone stops answering taps. Are they the same problem?

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No. The cracked screen is about a part. The freezing app is about instructions.

Here is a device — screen and keys.
Step 1 of 4
  1. Here is a device — screen and keys.
  2. All of it is hardware. Touch it.
  3. An app runs inside the screen.
  4. The app is software — instructions.

Hardware is the parts you can touch. Software is the instructions.

Screen, keys and the parts inside the case are hardware. Apps and programs are software.

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This track

  1. 0 Start here
  2. 1 Input, process, output, storage
  3. 2 The main parts of a real device
  4. 3 Input and output devices
  5. 4 Hardware vs. software
  6. 5 Memory forgets. Storage remembers.
  7. 6 Files and folders
  8. 7 The big picture
  9. 8 Track quiz

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