![]() Which data type has a size that is variable?Īnswer: Option C, The size of the structure depends on its fields. Which of the following is a built-in data type?Īnswer: Option D, Other options are User-defined data types and composite data types. Size of the data type is different for different programming languages and is decided by the system. What is the size of a char data type?Īnswer: Option C. These data types are formed by using basic data types i.e. These Data Types are defined by the users in the program as per their needs. True or False)Ĭlassification of Data Types Built-in Type/Primitive Typeĭata Types that are pre-defined and provided by each Programming Language. Boolean – contains one of 2 possible values only. ![]() Double – stores fractional numbers (Eg.Float – contains decimal point numbers (Eg.String – comprises of a set of characters (Eg.Few programming languages have their own different Data Types and their characteristics are unique. Many programming languages have their own pre-defined data types which can be used by simply typing the keywords assigned to them. ![]() Additional complex and/or composite data types may exist and vary from language to language. Declaration/Initialization of Variables The common data types usually exist in most programming languages and act or behave similarly from language to language.Browse more Topics Under Data Types, Variables and Constants This will be helpful to classify what type of data does the system contains and it will be easier to work on that. Each variable needs to be stored and segregated according to their Data Types during coding to inform the compiler about the expected input data. All the values in a data type have the same. Real-life Example of Different Data Types UsedĪ student login system might require attributes such as Student Name, Age, Birth Date, Roll Number, Address, Class, Division, Time of Login, Mobile Number, etc. In the C programming language, a data type can be defined as a set of values with similar characteristics. ![]() For example, In Java programming language : Type To perform other basic and complex math operations, you need Data Types that will be understandable in computer language.ĭata Types tells the Memory Management Unit (MMU) how much memory is required to store the data before the program compiles.Įach Data Type has a memory size that is pre-defined by the programming language. This is useful because Computers can understand only Binary Language i.e. 3 FAQs on Data Types Definition of Data Typesĭata Types or Types are attributes that are predefined or can be created by the user so that the program can easily detect the different types of information. ![]()
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