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Learn Computer Architecture
in 5 Days

Understand how computers actually work — CPU design, memory hierarchy, cache, instruction pipelines, and modern GPU architecture.

5 lessons
Self-paced
~60 min/day
Free forever
No account needed
Start Day 1 — Free → See what's covered
What you'll learn

Computer Architecture in 5 Days

From transistors to multi-core CPUs and GPU compute. This course builds a mental model you can actually use when optimizing software.

  • Understand CPU components: ALU, registers, control unit, and clock
  • Master the memory hierarchy: registers, L1/L2/L3 cache, RAM, storage
  • See how cache works and why cache misses destroy performance
  • Trace an instruction through a 5-stage pipeline: fetch, decode, execute, memory, writeback
  • Understand branch prediction, out-of-order execution, and speculative execution
  • Learn GPU architecture and why it dominates AI/ML workloads
5
deep lessons
$0
cost
CPU
to GPU
Real
hardware focus
5-Day Curriculum

Every lesson builds on the last.
Hardware concepts made concrete.

01
CPU Fundamentals
ALU, registers, control unit, clock cycles, instruction set architecture
ALUregistersISAclock
→
02
Memory Hierarchy
Registers, L1/L2/L3 cache, RAM, virtual memory, page tables
cacheRAMvirtual memory
→
03
Cache & Performance
Cache lines, hit/miss rates, spatial/temporal locality, write policies
cache lineslocalityhit rate
→
04
Instruction Pipelines
5-stage pipeline, hazards, branch prediction, out-of-order execution
pipelinehazardsbranch prediction
→
05
GPU Architecture
SIMD, shader cores, memory bandwidth, CPU vs GPU trade-offs, AI workloads
SIMDshader coresCUDAAI
→
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Your instructor
B
Bo Peng
Founder, Precision AI Academy

Kaggle Top 200 data scientist. Trained 400+ professionals across universities and federal agencies. Built production AI systems. This course is practical first — every lesson has concrete examples and exercises you can finish in under an hour.

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