Study guide for ELT2116/2216 Computer Applications covering an introduction to digital logic, signals, and integrated circuits. The document covers Boolean logic fundamentals, Boolean algebra operations (NOT, AND, OR, XOR), and the basic laws of Boolean algebra including identity, null, idempotent, inverse, commutative, associative, distributive, absorption, DeMorgan's, and double complement laws. Includes truth tables and worked examples for each concept, making it ideal for mastering logic ...