All tracks

IT Basics

How computers actually work, from a single NAND gate up through a working CPU and the operating system that runs on it.

Module 1 — Hardware Fundamentals 8 lessons
  1. 01 What Computers Actually Do 4 min
  2. 02 Bits — The Atoms of Information 6 min
  3. 03 The NAND Gate 7 min
  4. 04 Building a NOT Gate 6 min
  5. 05 Building an AND Gate 7 min
  6. 06 Building an OR Gate 7 min
  7. 07 Building an XOR Gate 10 min
  8. 08 The Memory Bit 12 min
Module 2 — From Bits to RAM 6 lessons
  1. 09 From One Bit to Many — The Byte 8 min
  2. 10 Controlling Access — the Enabler and the Register 8 min
  3. 11 The Bus — Moving Data 9 min
  4. 12 The Decoder — Choosing One of Many 7 min
  5. 13 Random Access Memory 12 min
  6. 14 What We Have So Far — A Pause 5 min
Module 3 — The CPU 11 lessons
  1. 15 Operations on Bytes 8 min
  2. 16 The ALU 8 min
  3. 17 The Clock 8 min
  4. 18 The Stepper 9 min
  5. 19 The Control Section 10 min
  6. 20 The Instruction Cycle 12 min
  7. 21 ALU Instructions 9 min
  8. 22 LOAD and STORE 8 min
  9. 23 DATA — Your First Program 9 min
  10. 24 JUMP — The First Great Invention 9 min
  11. 25 Flags and Conditional Jumps 11 min