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How does Computer Memory Work? 💻🛠

Branch Education · explainer · Watch on YouTube

Computer architecture & CPUsHardware (other)Semiconductors & chip manufacturing

What it is

A 36-minute animated deep dive from Branch Education into how DRAM works. It shows how memory connects to the CPU and how billions of bits are stored in nanoscale capacitor cells. It also covers why DRAM sits between SSDs and the processor.

Why Hacker News recommends it

Commenters recommend it as a clear, well-animated explanation of memory, especially for visual learners.

  • 5 people recommended it
  • 4 different months
  • 2 strong recommendations
  • first 2022, last 2023

What HN commenters said

  1. “the content was really good and is worth watching if you have some time on your hands.”

    Really good content explaining memory timings with animation.

    qwertox, 2022-12 · Strong recommendation · in “SK Hynix Reveals DDR5 MCR DIMM, Up to DDR5-8000 Speeds for HPC”

  2. “It is both detailed enough and clear thanks to the simplified visuals.”

    Clear visualization of DDR multiplexing.

    superkuh, 2023-04 · Strong recommendation · in “What Is an MCR or Multiplexer Combined Ranks DIMM”

  3. “it's a great way to understand it if you're a visual learner”

    Great for visual learners.

    superasn, 2023-01 · Recommendation · in “What Happens When a CPU Starts”

  4. “a video I just watched on the topic, which I really enjoyed.”

    Enjoyable video with well-used animations.

    myself248, 2023-04 · Recommendation · in “The microcode and hardware in the 8086 processor that perform string operations”

  5. “Branch Education has an excellent video on this named "How does computer memory work?"[1].”

    Excellent explanation of how memory works.

    Cort3z, 2023-10 · Recommendation · in “UltraRAM”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: dram, ram, memory timings, hardware, animation

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