CPU (Central Processing Unit)

CPU (Central Processing Unit)

1. Factors that affect performance

   • The amount of cores
     • CPUs with multiple cores have more power to run multiple programs at the same time.
   • Clock speed
     • The clock speed - also known as clock rate - indicates how fast the CPU can run.
   • Cache size
     • Cache is a small amount of memory

2. Definition: The Brain of the computer

   • CPU - executes programs using the fetch-decode-execute cycle

3. Purpose

   • The CPU is responsible for executing a series of stored instructions called a program.

4. Where are they?

   • Computers
   • Mobile Phones
   • Washing machines
   • Smart Watches

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