ELI5: Explain Like I'm 5

Millicode

Millicode is like a group of mini helpers that work inside a computer to make it do different things. These mini helpers are very small and specific, and they are designed to perform certain tasks quickly and efficiently. They are called "milli" because they are very small, just like a millimeter is a very small unit of measurement. Think of it like having lots of tiny helpers in your room who each have a specific job, like keeping your books organized or putting away your toys. Each one is responsible for a small part of the overall task, but together they can get it done quickly and easily. Millicode works in the same way, helping different parts of the computer work together to make it run smoothly and efficiently.
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