The defined type of memory area where the value is stored is called variable. Variables are the data item whose values may vary during the execution of the program. A specific location or the address in the memory is allocated for each variable and the value of that variable is stored in that location. These …
There are some specific rules for constructing variable names in C language: (a) Variable name may be a combination of alphabet digits or underscores and its lengths should not exceed 8 characters, some compilers allow 40 characters also. (b) The first character must be an alphabet. (c) No comma, blank spaces are allowed in variable …
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To assign values to the variables, assignment operator (=) is used. Syntax of assigning values: variable declaration; Variable_name = value; Example of assigning values: Int i , j; j = 5 ; i = 0 ; It is also possible to assign a value at the time of declaration. e.g. int i = 5; More …
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Scope of variable means where the variable stands in the program. All variables may not necessary be available to all statements in a program. Variables can have two types of scope: a) Local: When a variable is declared inside the function then such a variable is known as local variable. A local variable can only …
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