C Interview Questions

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C Interview Questions
United States	2007-07-30 23:18:52

Interview Questions Home \| Ask Questions \| Interview Success Kit C Interview Questions Welcome to the exciting world of New Interview Questions. Here, you can read the existing answers, provide your own answers, ask new questions, save your favorite questions and do much more! what i s the major difference between c&c3;+ http://www.newinterviewquestions.com/interview/11316 Difference between arrays and pointers? http://www.newinterviewquestions.com/interview/960 What is the purpose of realloc( )? http://www.newinterviewquestions.com/interview/961 What is static memory allocation and dynamic memory allocation? http://www.newinterviewquestions.com/interview/962 How are pointer variables initialized? http://www.newinterviewquestions.com/interview/963 Are pointers integers? http://www.newinterviewquestions.com/interview/964 What is a pointer variable? http://www.newinterviewquestions.com/interview/965 What is a pointer value and address? http://www.newinterviewquestions.com/interview/966 What is a method? http://www.newinterviewquestions.com/interview/967 What are the advantages of the functions? http://www.newinterviewquestions.com/interview/968 What is the purpose of main( ) function? http://www.newinterviewquestions.com/interview/969 What is an argument ? differentiate between formal arguments and actual arguments? http://www.newinterviewquestions.com/interview/ 970 What is a function and built-in function? http://www.newinterviewquestions.com/interview/971 What is modular programming? http://www.newinterviewquestions.com/interview/972 When does the compiler not implicitly generate the address of the first element of an array? http://www.newinterviewquestions.com/interview/973 What are the characteristics of arrays in C? http://www.newinterviewquestions.com/interview/974 Differentiate between a linker and linkage? http://www.newinterviewquestions.com/interview/975 What are advantages and disadvantages of external storage class? http://www.newinterviewquestions.com/interview/976 Diffenentiate between an internal static and external static variable? http://www.newinterviewquestions.com/interview/977 What are the advantages of auto variables? http://www.newinterviewquestions.com/interview/978 What is storage class and what are storage variable ? http://www.newinterviewquestions.com/interview/979 Which expression always return true? Which always return false? http://www.newinterviewquestions.com/interview/980 Write the equivalent expression for x%8? http://www.newinterviewquestions.com/interview/981 why n++ executes faster than n+1? http://www.newinterviewquestions.com/interview/982 what is a modulus operator? What are the restrictions of a modulus operator? http://www.newinterviewquestions.com/interview/983 What is the difference between a string and an array? http://www.newinterviewquestions.com/interview/984 Is it better to use a pointer to navigate an array of values,or is it better to use a subscripted array name? http://www.newinterviewquestions.com/interview/985 Can the sizeof operator be used to tell the size of an array passed to a function? http://www.newinterviewquestions.com/interview/986 Is using exit() the same as using return? http://www.newinterviewquestions.com/interview/987 Is it possible to execute code even after the program exits the main() function? http://www.newinterviewquestions.com/interview/988 What is a static function? http://www.newinterviewquestions.com/interview/989 Why should I prototype a function? http://www.newinterviewquestions.com/interview/990 How do you print an address? http://www.newinterviewquestions.com/interview/991 Can math operations be performed on a void pointer? http://www.newinterviewquestions.com/interview/992 How can you determine the size of an allocated portion of memory? http://www.newinterviewquestions.com/interview/993 What is a “null pointer assignment” error? What are bus errors, memory faults, and core dumps? http://www.newinterviewquestions.com/interview/994 What is the difference between NULL and NUL? http://www.newinterviewquestions.com/interview/995 What is the heap? http://www.newinterviewquestions.com/interview/996 Can the size of an array be declared at runtime? http://www.newinterviewquestions.com/interview/997 What is the stack? http://www.newinterviewquestions.com/interview/998 When should a far pointer be used? http://www.newinterviewquestions.com/interview/999 What is the difference between far and near? http://www.newinterviewquestions.com/interview/1000 Is it better to use malloc() or calloc()? http://www.newinterviewquestions.com/interview/1001 Why should we assign NULL to the elements (pointer) after freeing them? http://www.newinterviewquestions.com/interview/1002 When would you use a pointer to a function? http://www.newinterviewquestions.com/interview/1003 How do you use a pointer to a function? http://www.newinterviewquestions.com/interview/1004 Can you add pointers together? Why would you? http://www.newinterviewquestions.com/interview/1005 What does it mean when a pointer is used in an if statement? http://www.newinterviewquestions.com/interview/1006 Is NULL always defined as 0? http://www.newinterviewquestions.com/interview/1007 What is a void pointer? http://www.newinterviewquestions.com/interview/1008 What is a null pointer? http://www.newinterviewquestion s.com/interview/1009 How many levels of pointers can you have? http://www.newinterviewquestions.com/interview/1010 What is indirection? http://www.newinterviewquestions.com/interview/1011 How do you print only part of a string? http://www.newinterviewquestions.com/interview/1012 How can I convert a string to a number? http://www.newinterviewquestions.com/interview/1013 How can I convert a number to a string? http://www.newinterviewquestions.com/interview/1014 What is the difference between a string copy (strcpy) and a memory copy (memcpy)? W hen should each be used? http://www.newinterviewquestions.com/interview/1015 How can you check to see whether a symbol is defined? http://www.newinterviewquestions.com/interview/1016 How do you override a defined macro? http://www.newinterviewquestions.com/interview/1017 What is #line used for? http://www.newinterviewquestions.com/interview/1018 What is a pragma? http://www.newinterviewquestions.com/interview/1019 What are the standard predefined macros? http://www.newinterviewquestions.com/interview/1020 How can type-insensitive macros be created? http://www.newinterviewquestions.com/interview/1021 How many levels deep can include files be nested? http://www.newinterviewquestions.com/interview/1022 Can include files be nested? http://www.newinterviewquestions.com/interview/1023 Can you define which header file to include at compile time? http://www.newinterviewquestions.com/interview/1024 What is the difference between #include and #include “file”? http://www.newinterviewquestions.com/interview/1025 Is it better to use a macro or a function? http://www.newinterviewquestions.com/interview/1026 How are portions of a program disabled in demo versions? http://www.newinterviewquestions.com/interview/1027 What is the benefit of using an enum rather than a #define constant? http://www.newinterviewquestions.com/interview/1028 What is the benefit of using #define to declare a constant? http://www.newinterviewquestions.com/interview/1029 Can a file other than a .h file be included with #include? http://www.newinterviewquestions.com/interview/1030 How can you avoid including a header more than once? http://www.newinterviewquestions.com/interview/1031 What will the preprocessor do for a program? http://www.newinterviewquestions.com/interview/1032 What is a macro, and how do you use it? http://www.newinterviewquestions.com/interview/1033 What is Preprocessor? http://www.newinterviewquestions.com/interview/1034 How can I make sure that my program is the only one accessing a file? http://www.newinterviewquestions.com/interview/1035 How can I open a file so that other programs can update it at the same time? http://www.newinterviewquestions.com/interview/1036 How do you determine whether to use a stream function or a low-level function? http://www.newinterviewquestions.com/interview/1037 What is the difference between text and binary modes? http://www.newinterviewquestions.com/interview/1038 How can you restore a redirected standard stream? http://www.newinterviewquestions.com/interview/1039 How do you redirect a standard stream? http://www.newinterviewquestions.com/interview/1040 How can I search for data in a linked list? http://www.newinterviewquestions.com/interview/1041 How can I sort a linked list? http://www.newinterviewquestions.com/interview/1042 What is hashing? http://www.newinterviewquestions.com/interview/1043 What is the quickest searching method to use? http://www.newinterviewquestions.com/interview/1044 What is the easiest searching method to use? http://www.newinterviewquestions.com/interview/1045 How can I sort things that are too large to bring into memory? http://www.newinterviewquestions.com/interview/1046 What is the quickest sorting method to use? http://www.newinterviewquestions.com/interview/1047 What is the easiest sorting method to use? http://www.newinterviewquestions.com/interview/1048 What is the benefit of using const for declaring constants? http://www.newinterviewquestions.com/interview/1049 Can static variables be declared in a header file? http://www.newinterviewquestions.com/interview/1050 What is the difference between declaring a variable and defining a variable? http://www.newinterviewquestions.com/interview/1051 Is it acceptable to declare/define a variable in a C header? http://www.newinterviewquestions.com/interview/1052 When should a type cast not be used? http://www.newinterviewquestions.com/interview/1053 When should a type cast be used? < a href="http://www.newinterviewquestions.com/interview/1054" style="color: green;text-decoration: none;">http://www.newinterviewquestions.com/interview/1054 How can you determine the maximum value that a numeric variable can hold? http://www.newinterviewquestions.com/interview/1055 How reliable are floating-point comparisons? http://www.newinterviewquestions.com/interview/1056 Can a variable be both const and volatile? http://www.newinterviewquestions.com/interview/1057 when should the volatile modifier be used? http://www.newinterviewquestions.com/interview/1058 ;Send instant messages to your online friends http://uk.messenger.yahoo.com __._,_.___ Messages in this topic (0) Reply (via web post) \| Start a new topic . __,_._,___
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United States	2007-07-31 01:04:30

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