KNEC CICT Basic Electronics Notes

TOPIC 1: INTRODUCTION TO ELECTRICAL CIRCUITS

• Electrical Quantities & Units

TOPIC 2&3: BASIC DC/AC CIRCUITS

SIMPLE AC CIRCUITS

• Single Phase AC Circuit
• Passive Components in AC Circuits

COMPLEXER DIAGRAM/PHASOR DIAGRAM

SINMPLE AC IMPEDANCE

• Direct Current Circuits
• Series and parallel resistors
• Resistivity of conductors

TOPIC 4: ELECTRONIC COMPONENTS

• Introduction & Characteristics of Electronic Components
• Classification & Application of Electronic Components
• Examples of Electrical Components
• Introduction & Characteristics of Integrated Circuit

TOPIC 5: SEMICONDUCTOR

1. Atomic Structure & Semiconductor Theory
2. Electrons in Conductors & Semi-conductors (Outline of atomic theory)
3. Semiconductor Materials

• Intrinsic semiconductor materials
• Energy band diagrams
• Electron-Hole pair generation
• Holes (virtual particles!)
• Electrical breakdown

4. Formation of P-type & N-type materials (Extrinsic semiconductor)

• N type semiconductor
• P type semiconductor

5. The PN junction diode & Operation

• Reverse Bias
• Forward bias
• Diode Characteristic

TOPIC 6: MEMORIES

• Definition & Characteristics of Memory
• Types of Memories
• Cache Memory
• Primary Memory (Main Memory)
• Secondary Memory

TOPIC 7: NUMBER SYSTEM

• Introduction to Number System
• Decimal Number System
• Binary Number System
• Octal Number System
• Hexadecimal Number System
• Computer – Number Conversion
• Decimal to Other Base System
• Other Base System to Decimal System
• Other Base System to Non-Decimal System
• Binary Arithmetic
• Binary Addition
• Binary Subtraction
• Binary Multiplication
• Binary Division
• Binary Codes
• Weighted Codes
• Non-Weighted Codes
• Excess-3 code
• Gray Code
• Binary Coded Decimal (BCD) code
• Alphanumeric codes
• BCD Encoding & Arithmetic

TOPIC 8: LOGIC GATES & BOOLEAN ALGEBRA

• Introduction to Logic Mathematics
• Set theory
• Types of Sets
• Operation of a Set
• Venn Diagrams
• Boolean Algebra
• Terminologies in Boolean Algebra
• Logic Functions gates and circuitry
• Theorems of Boolean Algebra
• Karnaugh maps (K-maps)

TOPIC 9: EMERGING TRENDS

• The 7 Biggest Trends and Challenges in the Electronics Manufacturing Industry
• 5 Challenges Electronics Manufacturers Face