Basic data types in c3/3/2023 Each data type possesses different ranges of numbers that it can store in it and these ranges also vary differently depending upon the compilers.” Procedure Every data type has a different memory associated with it, and we can perform the different operations on different data types accordingly. Also, the data type defines the size of the variables in terms of bytes. ![]() This is done to define what is the type of data that we’ll be using or storing information for in this data. We use data type in C whenever we define a variable in our code. Long can be used with int and double data types, here is the sizes that variable will take in the computer memory.“In most programming languages, we use the declaration method for the variables that we define for our code likewise, “programming language C” has its declaration method for the defined variables this declaration is known as a data type. Short can also be used as unsigned short, in that case the value range will be 0 to 65,535. Short can also be written as short int, it takes 2 bytes (16 bits) in the computer memory and its value range is -32,768 to +32767 (which is similar to 2 bytes int data type). Unsigned int - 0 to 4294967295 (for 4 bytes integer) B) short Unsigned int - 0 to 65,535 (for 2 bytes integer) Unsigned defines that variable will store only positive values and the value range of unsigned type variable is: 0 to ((MAX_RANGE*2)+1). Here, value is the signed char type variable and it can store value between -128 to +127, but if we have only positive values we can define the value as unsigned char. ![]() These are the basic/primitive data types in C language, there are other data types too, they are the enhanced version of these data types, by using some qualifiers we can change their storage capacity and value range, some of the most useful qualifiers are:Ĭonsider the given declaration char value 'float' constant declaration const float PI=3.14f /*to store value of PI as 3.14*/ 'float' variable declaration float weight /*to store weight in kilogram and gram*/ The value range of float data type is 1.2E-38 to 3.4E+38 with 6 decimal places. It takes 4 bytes (32 bits) in the computer memory. 'int' constant declaration const int MAX_LENGTH=100 /*to store maximum length as 100*/ 3) floatįloat represents single precision float type value, it can be used to declare a float type variable, constant in C language. 'int' variable declaration int number /*to store any integer number*/ It stores only integer numbers (numbers without precision). It takes either 2 bytes (16 bits) or 4 bytes (32 bits) according to compiler architecture in the computer memory. Int represents integer, it can be used to declare an integer type variable, constant in C language. 'char' constant declaration const char IS_MARRIED= 'N' /*to store, marital status as "No"*/ 2) int ![]() 'char' variable declaration char gender /* to store gender*/ The value range of char data type is -128 to +127. It takes only one byte (8 bits) in the computer memory and it stores a single character. Data types define the size and type of values to be stored in the computer memory, Basic Data Types are also known as "primitive data types" here are the few basic data types with their sizes in C language:Ĭhar represents character, it can be used to declare a character type variable, constant in C language.
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