C Foundation

What is C? C Compiler Installation C Extensions C Compiler C Interpreter C Program Structure

C Basics

C Keywords C Data Types C Identifiers C Variables C Constant C Escape Sequences C Constant and Volatile C Typecast


What is Operator C Comma Operator C Arithmetic Operators C Relational Operators C Logical Operators C Bitwise Operators C Conditional Operators C : : Operator C Operator Priority

Basic IO's

Basic IO's C Formatted Functions C Unformatted Functions C Common Functions

Control Statements

What is Control Statement C if Statement C if else Statement C Nested if Statement C Else if Statement C Break Statement C Continue Statement C Switch Statement C Goto Statement


What is Control Loop C for Loop C Nested for Loop C while Loop C Nested while Loop C do while Loop C Nested do while loop


What is Function C User Defined Functions C Recursion C Passing Parameters


Scope C Local Scope C Global Scope

Storage Classes

What is Storage Class C Auto C Extern C Static C Register


What is Array C One Dimensional Array C Two Dimensional Array C Multi Dimensional Array C Arrays Of Strings


What is String C String Functions


What is Pointer C Pointers Arithmetic C Pointer to Pointer C Pointers and Arrays C Pointers and Strings C Pointer to Functions Void Pointers Null Pointers C Null and Void Pointer


What is Structure C Struct within Struct C Array within Structure C Pointer to Structure C Structure and Function C Enum C Bitfield Structure C Type def


What is Union


What is File C read a file C write a file C File Handling C Error Handling C Low Level Disk I/O C Other file functions

Memory Allocation

What is Memory Allocation C Malloc() C Calloc() C Free() C Realloc() C Coreleft()

C Reference

All ASCII Code Basic C Questions

C Interview

C Interview Sets All Star Patterns All Number Patterns All Alphabet Patterns All Series Patterns
The ones who are crazy enough to think they can change the world are the ones who do.
- Steve Jobs

C Simple Array Interview Questions

41. What is an array?

Arrays are one of a kind of data structure because arrays defines the way of arranging the data, which allows us to manipulated the data in interesting ways. Array is a collection of data, which is very similar to a matrix but a difference is that array can hold only data of similar datatypes i.e) We could have an array of intergers or an array of characters or an array of floating point. It reduces the programmers task. Refer For More C Arrays

42. Define Strings?

In C, strings are arrays of characters. Every string in a c program is ends with '\0' character. Strings are always enclosed within double quotes. If the program uses the string functions, it must define the header file string.h. Refer For More C Strings

43. Define One Dimensional Array?

An array which has only one subscript is known as one dimensional array i.e) int arr[10]. Refer For More C One Dimensional Arrays

44. Define Two Dimensional Array?

An array, which has two subscript is known as two dimensional array. First subscript represents the row and the second subscript represents the column. Refer For More C Two Dimensional Arrays

45. Define Multi Dimensional Array?

An array having more than one subscript or dimension is known as multi dimensional array i.e) int arr[3][3]. Multi dimensional arrays are also known as arrays of arrays or matrix. Refer For More C Multi Dimensional Arrays

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