Contenido

1. Introduction
2. History: from the lift operator to the dispatcher
3. Lesson 0. Gates from transistors: for those who start from scratch
   1. 0.1. The idea: a transistor is a switch
   2. 0.2. Building
   3. 0.3. Check
   4. Lesson 0 paste (Cmd+I)
4. Lesson 1. The screen and car A: a lift that goes by its buttons
   1. 1.1. The idea: the car is a machine with memory
   2. 1.2. The idea: one way while there is somewhere to go
   3. 1.3. The idea: a button is a latch, not a flip-flop
   4. 1.4. Building
   5. 1.5. Check
   6. Lesson 1 paste (Cmd+I)
5. Lesson 2. A house with one lift: calls on the floors
   1. 2.1. The idea: a call is one more request
   2. 2.2. The idea: why the lift went past
   3. 2.3. The idea: the car is a chip
   4. 2.4. Building
   5. 2.5. Check
   6. Lesson 2 paste (Cmd+I)
6. Lesson 3. Three lifts without a dispatcher: everyone goes
   1. 3.1. The idea: one chip — three cars
   2. 3.2. The idea: "served" is shared
   3. 3.3. The idea: without a dispatcher everyone goes
   4. 3.4. Building
   5. 3.5. Check
   6. Lesson 3 paste (Cmd+I)
7. Lesson 4. The dispatcher: who answers the call
   1. 4.1. The idea: the scanner — one floor per cycle
   2. 4.2. The idea: the car price
   3. 4.3. The idea: comparison is subtraction too
   4. 4.4. Building
   5. 4.5. Check
   6. Lesson 4 paste (Cmd+I)
8. Summary
9. All the parts
10. Instructions in pictures