🌱 System Design (Beginner) · Start Here · cozy lesson
Numbers Every Beginner Should Know
8 min · 1 min read · no scary math, promise
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You’ve got this. Read a little, play a little — I’ll wait. No rush.
- RAM ~100ns, SSD ~100µs, network ~1-100ms.
- 1KB vs 1MB vs 1GB: say units aloud.
- Storage: 1M users × 1KB = 1GB. Easy math wins points.
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Check your understanding
Correct answers earn XP (once each).
1. 1M req/day ≈ ?
2. Slowest?
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