C Interview Questions on Windows Pc

This app is designed for computer science engineering,b. tech, mca,bca,ms student & software professionals to learn C Programming Language questions mostly asked during interview. it covered almost questions from all topics
languages:natural and artificial,machine languages,high-level programming languages,obtaining the machine code: compilation process,integer values in “C”, integer literals,Data types ,floating point vales in “C”, float literals,arithmetic operators,priority and binding,post- and pre -incrementation and -decrementation,operators of type op=,char type and ASCII code, char literals,equivalence of int and char data,comparison operators,conditional execution,if keyword,printf() and scanf() functions,Flow control,conditional execution continued: the “else” branch,more integer and float types,conversions,typecast,operators,loops – while, do and for,controlling, break and continue,logical and bitwise operators,Arrays,switch: different faces of ‘if’,arrays (vectors),sorting,an address, a reference, a dereference and the sizeof operator,simple pointer and pointer to nothing (NULL),& operator,pointers arithmetic,pointers vs. arrays: different forms of the same phenomenon,using strings: basicsbasic functions dedicated to string manipulation,Memory management and structures,array indexing,the usage of pointers: perils and disadvantages,void type,arrays of arrays and multidimensional arrays,memory allocation and deallocation: malloc() and free() functions,arrays of pointers vs. multidimensional arrays,structures,declaring, using and initializing structures,pointers to structures and arrays of structures,basics of recursive data collections,functions,how to declare, define and invoke a function,variables' scope, local variables and function parameters,pointers, arrays and structures as function parameters,function result and return statement,void as a parameter, pointer and result,parameterizing the main function,external function and the extern declarator,header files and their role,Files and streams,files vs. streams: where does the difference lie,header files needed for stream operations,FILE structure,opening and closing a stream, open,modes, errno variable,reading and writing to/from a stream,predefined streams: stdin, stdout and stderr,stream manipulation: fgetc(), fputc(), fgets() and fputs() functions,raw input/output: fread() and fwrite() functions,preprocessor,#include,#define: simple and parameterized macros,#undef directivepredefined preprocessor symbols,macrooperators: # and ##,conditional compilation: #if and #ifdef directives,scopes of declarations, storage classes,user -defined types.

Allows applications to open network sockets.
Allows access to the vibrator.
Allows an application to write to external storage.
Allows an application to read from external storage.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows access to the list of accounts in the Accounts Service.
Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
Allows applications to access information about networks.