One Week to Interview-Ready
All 30-second concepts from the week — flip each card.
Every section from the primer, embedded locally. Click to read.
Powers of two: 2^10=1K · 2^20=1M · 2^30=1B · 2^40=1T · 2^50=1P
Latency cheat sheet: L1 0.5ns · mem 100ns · SSD 16μs · DC round trip 500μs · disk seek 4ms · CA→NL 150ms