The numbers that have a fractional part are called floating-point numbers. The float data type is used to store the floating-point numbers. This has proven when we added 1 in the num and printed it, we got 66 as output. Now, this variable is holding the ASCII value of character A. Then, we have initialized an int variable with ch. In the above example, we have initialized a variable ch with character A. Printf("Adding 1 to the character code \n") The following example illustrates the int data types in C. However, if the operation of two integers results in a fraction number, the integer part will be stored as the final result. For example, 4/3 is fine but 4/3.0 is not fine. They can only be operated by/on integers themselves. In C language, the integers cannot be represented as floating or decimal point numbers. And that’s where we use data type modifiers, which we will be going to discuss later in this article. However, integers can be either negative or positive. Any number that falls in the range of -∞ to ∞ is said to be an integer. The int data type is used to store the integer values. The following table represents the memory consumed or size of each primary data types in C: DATA TYPE In this section, we are going to discuss all these data types in detail. Primary data types in C are of 4 types: int, char, float, and double. All the other types of data types (derived and user-defined data types) are derived from these data types. Primary data types are also known as the fundamental data types because they are pre-defined or they already exist in the C language. Moving forward, let us start with various data types in C. Every type of data has its own data type that cannot be used to store other types of data. Data types in C, signify the characteristics of the data stored in a variable. To handle these different types of data, the concept of data types has been introduced in C. This data can be of various types, including integers, fractional numbers, characters, and symbols, or a group of entities. Data is the primary need for any programming language.
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