1. School of Computer and Communication Engineering, UniMAP Mohd ridzuan mohd nor mohdridzuan@unimap.edu.my 019-3806067 1 DKT 122/3 - DIGITAL SYSTEM I Chapter 3: Logic Gates

2. School of Computer and Communication Engineering, UniMAP 2 3.0 LOGIC GATES Inverter (Gate Not) AND Gate OR Gate NAND Gate NOR Gate Exclusive-OR and Exclusive-NOR Fixed-function logic: IC Gates Three basic logic gates AND Gate – expressed by “. “ OR Gates – expressed by “ + “ sign (not an ordinary addition) NOT Gate – expressed by “ ‘ “ or “¯”

3. School of Computer and Communication Engineering, UniMAP 3 NOT Gate (Inverter) a) Gate Symbol & Boolean Equation b) Truth Table (Jadual Kebenaran) c) Timing Diagram (Rajah Pemasaan)

4. School of Computer and Communication Engineering, UniMAP 4 OR Gate a) Gate Symbol & Boolean Equation b) Truth Table (Jadual Kebenaran) c) Timing Diagram (Rajah Pemasaan)

5. School of Computer and Communication Engineering, UniMAP 5 AND Gate a) Gate Symbol & Boolean Equation b) Truth Table (Jadual Kebenaran) c) Timing Diagram (Rajah Pemasaan)

6. School of Computer and Communication Engineering, UniMAP 6 NAND Gate a) Gate Symbol, Boolean Equation a) Gate Symbol, Boolean Equation & Truth Table b) Timing Diagram

7. School of Computer and Communication Engineering, UniMAP 7 NOR Gate a) Gate Symbol, Boolean Equation a) Gate Symbol, Boolean Equation & Truth Table b) Timing Diagram

8. School of Computer and Communication Engineering, UniMAP 8 Exclusive-OR Gate a) Gate Symbol, Boolean Equation a) Gate Symbol, Boolean Equation & Truth Table b) Timing Diagram

9. School of Computer and Communication Engineering, UniMAP 9 Examples : Logic Gates IC NOT gate AND gate Note : x is referring to family/technology (eg : AS/ALS/HCT/AC etc.)

10. School of Computer and Communication Engineering, UniMAP 10 Q & A