C Programming

In C, which operator is used for pointer-to-pointer relationships? a) & (ampersand) b) * (asterisk) c) -> (arrow) d) [] (brackets) Answer: b) * (asterisk) Explanation: In C, the asterisk (*) operator is used to declare and manipulate pointers, including pointer-to-pointer relationships. A pointer-to-pointer is essentially a pointer that stores the address of another pointer. […]

Which data type is used to store a sequence of characters in C? a) int b) char c) float d) array of char Answer: d) array of char Explanation: In C, a sequence of characters is stored in an array of char data type. Strings in C are represented as arrays of characters, with the

What is the purpose of the ‘const’ keyword in C? a) To declare a constant variable that cannot be changed b) To define a function c) To declare a loop variable d) To return a value from a function Answer: a) To declare a constant variable that cannot be changed Explanation: The const keyword in

Which operator is used to compare two values for equality in C? a) == b) = c) != d) >> Answer: a) == Explanation: In C, the == operator is used to compare two values for equality. It returns true if the values are equal and false otherwise. This operator is commonly used in conditional

What is the purpose of the ‘continue’ statement in a loop? a) To exit the loop immediately b) To skip the current iteration and continue with the next one c) To break out of the loop d) To start the loop again from the beginning Answer: b) To skip the current iteration and continue with

Which character is used to represent a comment in C code? a) # b) // c) /* */ d) Both b and c Answer: d) Both b and c Explanation: In C, comments can be represented in two ways. Single-line comments are written using //, while multi-line comments are enclosed within /* */. Comments are

What does the ‘void’ keyword indicate in a C function declaration? a) The function returns an integer b) The function returns a floating-point number c) The function does not return a value d) The function returns a string Answer: c) The function does not return a value Explanation: In C, the void keyword in a

1. What is recursion in C programming? a) A loop that iterates a fixed number of times b) A function that calls another function c) A function that calls itself d) A method to declare variables Click to View Answer and Explanation Answer: c) A function that calls itself Explanation: Recursion in C is a

1. What is an enum in C programming? a) A function b) A user-defined data type for integer constants c) A standard library d) A macro Click to View Answer and Explanation Answer: b) A user-defined data type for integer constants Explanation: An enum is a user-defined data type in C that consists of integral

1. What does the 'printf' function do in C? a) Reads input from the user b) Prints output to the console c) Initializes a variable d) Ends the program Click to View Answer and Explanation Answer: b) Prints output to the console Explanation: The 'printf' function is used in C to print output to the

1. What is the C Preprocessor? a) A set of instructions that are executed before the main function b) A component of the compiler that processes directives before compilation c) A library of standard input and output functions d) A tool for debugging C programs Click to View Answer and Explanation Answer: b) A component

1. What is the primary purpose of a 'for' loop in C? a) To execute a block of code a fixed number of times b) To execute a block of code based on a condition c) To create an infinite loop d) To iterate over arrays only Click to View Answer and Explanation Answer: a)

1. What is the primary characteristic of a 'while' loop in C? a) The loop executes at least once b) The condition is checked at the end of the loop c) The loop may not execute at all if the condition is false initially d) The loop executes an indefinite number of times Click to

1. What is the purpose of the 'switch' statement in C? a) To execute a block of code based on a condition b) To iterate over a block of code multiple times c) To select one of many code blocks to execute based on a variable's value d) To terminate a loop prematurely Click to

1. What is the purpose of the 'if' statement in C? a) To iterate over a block of code b) To execute a block of code based on a condition c) To declare a variable d) To terminate a loop Click to View Answer and Explanation Answer: b) To execute a block of code based

1. What is a variable in C programming? a) A type of function b) An operator c) A storage location with a name d) A keyword in C Click to View Answer and Explanation Answer: c) A storage location with a name Explanation: A variable in C programming is a storage location that is assigned