eNotes

1. Introduction to Pointers in C# A pointer is a variable that stores the memory address of another variable. In C#, pointers are allowed only inside unsafe code , and they work only with value types and arrays . Pointer Declaration Syntax datatype* pointerName; Example: int * ptr; ·          Pointers are allowed only in unsafe context . ·          C# pointers are similar to C/C++ pointers but with more restrictions for safety. 2. Features of Pointers in C# ·           Pointers save memory space. ·           Execution is faster due to direct memory access . ·           Memory access becomes more efficient. ·           A pointer cannot point to: o     A reference type o   ...

  Software analysis and Design tools Software Analysis and Design Tools are special computer programs that help developers and designers in every stage of making software. These tools make it easier to understand, plan, design, and document a software system so that the final product works well and meets user needs. They help in collecting requirements by recording what users want, modeling the system using diagrams such as flowcharts and UML, and designing the structure and interface of the software. These tools also help in creating documentation for clear communication, analyzing the design to find and fix problems early, and supporting teamwork by allowing different people to work together on the same project smoothly. Introduction of ER Model The Entity-Relationship (ER) Model is a conceptual model used to design and represent the logical structure of a database . It shows entities, their attributes, and relationships among them. Example: A Student en...