Elenco Understanding Logic Gates and Circuits - Manual (Page 2)

Outline
Warning: Shock Hazard – Never connect Snap Circuits® to the electrical outlets in your home in any way!
Warning: Choking Hazard – Small parts. Not for children under 3 years.
Warning: Always check your wiring before turning on a circuit. Never leave a circuit unattended while the batteries are installed. Never connect
additional batteries or other power sources to your circuits. Discard any cracked or broken parts.
Batteries:
• Use only 1.5V AA type, alkaline batteries.
• Insert batteries with correct polarity.
• Do not mix old and new batteries.
• Remove batteries when they are used up.
• Do not short circuit the battery terminals.
• Non-rechargeable batteries should not be recharged.
Rechargeable batteries should only be charged under adult
supervision, and should not be recharged while in the product.
• Do not mix alkaline, standard (carbon-zinc), or rechargeable
(nickel-cadmium) batteries.
• Do not connect batteries or battery holder in parallel.
• Never throw batteries in a fire or
attempt to open its outer casing.
• Batteries are harmful if swallowed,
so keep away from small children.
2
Page # Title Page # Title
3 Parts List 17 Project 10: S-R NAND Latch
4-7 Introduction 18 Project 11: Gated S-R Latch
8 Project 1: NOT Gate (Inverter) 19-20 Project 12: J-K Latch
9 Project 2: AND Gate 21-22 Project 13: Gated D Latch
10 Project 3: OR Gate 23-24 Project 14: Comparator
11 Project 4: NAND Gate 25 Project 15: Half Adder
12 Project 5: NOR Gate 26 Project 16: Half Subtractor
13 Project 6: Exclusive OR (XOR) Gate 27-28 Project 17: Multiplexer
14 Project 7: De Morgan’s Law
Negation of Conjunction
29-33 Quiz
15 Project 8: De Morgan’s Law
Negation of Disjunction
34-41 Quiz Answers
16 Project 9: S-R NOR Latch