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A simple form of the complex function of three components out of the many which make up a computer:

Processor (CPU) - This processes all the information on a computer and tells it where to go, and what to do.

Hard Drive (HDD) - This stores data for the computer to use when needed. All your files and the operating system are stored here.

Random Access Memory (RAM) - This is where data is stored whilst the computer is turned on, the operating system and any other programs you open are stored here, and deleted when the computer is turned off.

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9y ago
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12y ago
  1. Arithmetic Logic Unit
  2. Control Unit
  3. Memory Unit
  4. Input/Output Unit(s)

The functions are rather obvious from the names.

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Q: List the function of three components that make up a PC?
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