Digital Electronics : semiconductors to computers, flip flops built from logic, microprocessors from sequencers, transistors built from semiconductors, logic gates built from transistors, physics, gates, transistors, logic, microprogramming, assembler, applications, combinational logic, logic variables, logic gates, representing logic functions, not gate, and gate, or gate, exclusive or gate, not and gate, not or gate, boiler example, Boolean algebra, demorgan’s theorem, demorgan’s in gates, logic minimization, disjunctive normal form, maxterms, logic simplification, karnaugh maps, pos simplification, expression in pos form, binary numbers, negative numbers, complement overflow, alphanumeric character codes, binary adding circuits, full adder, combinational logic design, multilevel logic, building larger gates, gate propagation delay, timing diagrams, static hazard, dynamic haard.