Which of the following is a user-defined data-type?Select one:struct book { char name[10]; float price; int pages; };long int l = 2.35;char my_name;All of these
Question
Which of the following is a user-defined data-type?Select one:struct book { char name[10]; float price; int pages; };long int l = 2.35;char my_name;All of these
Solution
The user-defined data type in the given options is:
struct book { char name[10]; float price; int pages; };
This is a structure data type in C programming, which is user-defined. It allows you to combine data items of different kinds. Structures are used to represent a record. Here, the structure is used to represent a book record.
The other two options, "long int l = 2.35;" and "char my_name;", are not user-defined data types. They are primitive data types in C. The "long int" is a data type that can store integer numbers, and "char" is a data type that can store a single character.
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