VARIABLES
{"Image DocumentName": "VARIABLES", "Image ImageDescription": "To maintain the state of a system we define variables, a variable should be of the type which is suitable to express kind of value it can store. How the systems are understood rather than implemented. In terms of values, sets, relations, sequences . A variable can be of the type N, natural numbers set(0,1,2,\u2026..). In the example we have two kind of tickets. Ticket number being served. Number of Next ticket to be dispensed. We can model with variables: next. serve.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}