Data structures a systematic way of organizing and accessing data No single data structure works well for ALl purposes Data stored operation on data Algorithms an effective method expressed as a finite list of well-defined instructions for calculating a function Algorithms are used for calculation, data processing and automated reasonIng In simple words an algorithm is a step-by-step procedure for calculations Stacks• Data Structures – A systematic way of organizing and accessing data. --No single data structure works well for ALL purposes. – Data stored – operation on data • Algorithms – an effective method expressed as a finite list of well-defined instructions for calculating a function. – Algorithms are used for calculation, data processing, and automated reasoning. – In simple words an algorithm is a step-by-step procedure for calculations. Stacks 7