Notes

1 A-B:
An array stores a fixed-size consecutive collection of elements of a similar sort. An array is utilized to store a collection of information; however, it is frequently progressively helpful to think about an array as a collection of factors of a similar kind put away at contiguous memory locations. Arrays are what will be used to create the drop own menu within the code. Collections in C# are similar to arrays and allows a lot more flexible method of working with a collection of objects. In collection programmers will not need to define the collection size in advance. A programmer can add or remove elements from the collection whenever they decide to do so. If a programmers collection holds elements in which are only from one data type, they will be able to select and use one of the classes that are in the System.Collections.Generic namespace. This helps to make sure that other data cannot be added to it. When elements are retrieved from a generic collection, programmers do not have to convert it or determine its data type. A search can be performed through a binary search which is essentially searching through an ordered array, it can be utilised to search for unknown values that are required to meet certain known conditions. It is used to define the beginning middle and end for the array sorted that it will be performing a search for.
2
Value type variables can directly be assigned a value which is a result of System.ValueType. Value types also holds information directly, a few examples are float, int and char which are used to store floating point numbers and alphabets accordingly. Objects is usually the main class for all data types in C# CTS (Common Type System). It is possible for object types to be assigned to value types such as reference types, user- defined types and value types. nevertheless, before values are assigned, there must be a type conversion. Below illustrates an example of when value types are converted into object types.