The video loads from YouTube only after you press Play.

How does Computer Memory Work?

A 36-minute video by Branch Education about DRAM, memory architecture and capacitors, on the Hardware shelf. It came up in 2 Reddit threads, in r/overclocking and r/explainlikeimfive. It is pitched at introductory level.

Branch Education, Video, 36 min, 2022, on the Hardware shelf

Explains how DRAM stores data and connects to the rest of a computer.

Study notes

Introductory, How it works inside. Step 3 of 10 in How a computer works

Helpful first

• Binary numbers

What it builds

• Distinguish working memory from long-term storage.
• Encode stored bits in physical memory cells.
• Follow data as it moves between storage, memory and processor caches.

Useful moments

• 0:27Why programs load into DRAM
• 1:45One bit per memory cell
• 7:04Data flow between SSD, DRAM and cache

Check yourself: Why does a processor need data moved into DRAM before working with it?

Next in the path: 8-bit computer RAM intro

Notes are based on metadata, Reddit context and selected English caption passages. They are not a review of every claim in the video.