A string constant is enclosed in double quotation marks. This differentiates a string from a single character constant, which uses single quotes.
Programming in C MCQ - Constants, Variables and Data Types
char is a basic C data type used for character-sized integer data. The other choices are not basic C data type keywords.
float is used for single-precision floating-point values. double represents double-precision floating-point values.
double is the C keyword for double-precision floating-point values. It provides a floating-point type distinct from float.
The presentation classifies an array as a derived data type. An array represents a collection of elements accessed under one array name.

