Hardware Notes: For my self-learning and subject revision

• Digital technology - is everywhere in our lives
• It is important to have a good foundation in fundamentals of Digital Technology
• It is important to know Programmable Logic
• "Digital": The word is used because work happens by counting digits 
• Digital Technology has progressed from: Vacuum-Tube --> Circuits --> Discrete Transistors --> complex ICs (Integrated Circuits)
• Many integrated circuits contain millions of transistors
• Many transistors are programmable
• Electronic circuits: 2 categories: (1) Digital and (2) Analog
• Still typing, while learning...