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

Operators

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

Looping

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

Functions

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

Scope

Scope C Local Scope C Global Scope

Storage Classes

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

Array

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

String

What is String C String Functions

Pointer

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

Structure

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

Union

What is Union

Files

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
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C Common Interview Questions

1. What is C?

C is a general purpose, server side, structured programming language developed by Dennis Ritchie at Bell Laboratories in the early 1970's. A story started with Common Programming Language (CPL) which is designed by Martin Richards. Later it is known Basic Combined Programming Language (BCPL). BCPL allow the user to direct access to the computer memory. Ken Thompson at BELL Laboratories wrote his own variant of BCPL and named as B.

2. Who is the founder of C?

Dennis Ritchie.

3. What are the features of C programming language?

  • Simple structured approach
  • Faster than BASIC
  • Large collections of functions in its libraries
  • It also allows programmers to create their own function
  • Portability
  • C is extensible

4. What is a Program?

Program is generally contains a collection of instructions to perform a particular task. Refer for More C Program Structure

5. List out the four basic data types in c?

  • int
  • char
  • float
  • double
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