Basics of C

What is a variable in C?

• A function that returns a value

• A type of mathematical equation

• A constant value that cannot be changed

• Named storage location that can hold a value

What are the different data types in C?

• int, float, double, char, void

• string, boolean, array, object, function

• integer, decimal, character, void, boolean

• int, float, char, double, boolean

What are the arithmetic operators in C?

• +, -, *, /, %, ^

• +, -, *, /, %

• +, -, *, /, %, =

• +, -, *, /, %, !

What are the relational operators in C?

• ==, !=, >, <, >=, <=

• [], {}, (), ., ->

• +, -, *, /, %

• ++, --, !, &&, ||

What are the logical operators in C?

• EQUALS (==), NOT EQUALS (!=), GREATER THAN (>)

• IF-ELSE, SWITCH, FOR

• AND (&&), OR (||), and NOT (!)

• ADD (+), SUBTRACT (-), MULTIPLY (*)

What is the syntax for do-while loop in C?

• do-while (condition);

• do-while (condition) {};

• do-while [condition];

• do-while {condition};

What is the purpose of a header file in C?

• To declare the structure of a program

• To include function prototypes and macro definitions

• To define the main function of a program

• To store global variables

What is the use of the 'break' statement in C?

• To exit a loop or switch statement

• To skip the current iteration of a loop

• To execute the next iteration of a loop

• To terminate the program

What is the purpose of the 'sizeof' operator in C?

• To return the size of a variable or data type

• To calculate the sum of elements in an array

• To find the maximum value in a set of numbers

• To convert a variable to a different data type

What is the use of the 'continue' statement in a programming loop?

• To exit a loop or switch statement

• To skip the current iteration of a loop

• To execute the next iteration of a loop

• To terminate the program