What is the difference between an enumeration and a set of pre-processor # defines?


* what do the 'c' and 'v' in argc and argv stand for?


* Are the variables argc and argv are local to main?


* What is the maximum combined length of command line arguments including the space between adjacent arguments?


* If we want that any wildcard characters in the command line arguments should be appropriately expanded, are we required to make any special provision? If yes, which?


* Does there exist any way to make the command line arguments available to other functions without passing them as arguments to the function?


* What are bit fields? What is the use of bit fields in a Structure declaration?


* To which numbering system can the binary number 1101100100111100 be easily converted to?


* Which bit wise operator is suitable for checking whether a particular bit is on or off?


* Which bit wise operator is suitable for turning off a particular bit in a number?


* Which bit wise operator is suitable for putting on a particular bit in a number?


* Which bit wise operator is suitable for checking whether a particular bit is on or off?


* which one is equivalent to multiplying by 2:Left shifting a number by 1 or Left shifting an unsigned int or char by 1?


* Write a program to compare two strings without using the strcmp() function.


* Write a program to concatenate two strings.


* Write a program to interchange 2 variables without using the third one.


* Write programs for String Reversal & Palindrome check


* Write a program to find the Factorial of a number


* Write a program to generate the Fibinocci Series


* Write a program which employs Recursion


* Write a program which uses Command Line Arguments


* Write a program which uses functions like strcmp(), strcpy()? etc


* What are the advantages of using typedef in a program?


* How would you dynamically allocate a one-dimensional and two-dimensional array of integers?


* How can you increase the size of a dynamically allocated array?


* How can you increase the size of a statically allocated array?


* When reallocating memory if any other pointers point into the same piece of memory do you have to readjust these other pointers or do they get readjusted automatically?


* Which function should be used to free the memory allocated by calloc()?


* How much maximum can you allocate in a single call to malloc()?


* Can you dynamically allocate arrays in expanded memory?


* What is object file? How can you access object file?


* Which header file should you include if you are to develop a function which can accept variable number of arguments?


* Can you write a function similar to printf()?


* How can a called function determine the number of arguments that have been passed to it?


* Can there be at least some solution to determine the number of arguments passed to a variable argument list function?


* How do you declare the following:


* An array of three pointers to chars


* An array of three char pointers


* A pointer to array of three chars


* A pointer to function which receives an int pointer and returns a float pointer


* A pointer to a function which receives nothing and returns nothing


* What do the functions atoi(), itoa() and gcvt() do?


* Does there exist any other function which can be used to convert an integer or a float to a string?


* How would you use qsort() function to sort an array of structures?


* How would you use qsort() function to sort the name stored in an array of pointers to string?


* How would you use bsearch() function to search a name stored in array of pointers to string?


* How would you use the functions sin(), pow(), sqrt()?


* How would you use the functions memcpy(), memset(), memmove()?


* How would you use the functions fseek(), freed(), fwrite() and ftell()?


* How would you obtain the current time and difference between two times?


* How would you use the functions randomize() and random()?


* How would you implement a substr() function that extracts a sub string from a given string?


* What is the difference between the functions rand(), random(), srand() and randomize()?


* What is the difference between the functions memmove() and memcpy()?


* How do you print a string on the printer?


* Can you use the function fprintf() to display the output on the screen?


* What is an object?


* What is the difference between an object and a class?


* What is the difference between class and structure?


* What is public, protected, private?


* What are virtual functions?


* What is friend function?


* What is a scope resolution operator?


* What do you mean by inheritance?


* What is abstraction?


* What is polymorphism? Explain with an example.


* What is encapsulation?


* What do you mean by binding of data and functions?


* What is function overloading and operator overloading?


* What is virtual class and friend class?


* What do you mean by inline function?


* What do you mean by public, private, protected and friendly?


* When is an object created and what is its lifetime?


 

* What are inline functions?


* Talk something about profiling?


* How many lines of code you have written for a single program?


* What is "strstream" ?


* How to write Multithreaded applications using C++?


* Explain "passing by value", "passing by pointer" and "passing by reference"


* Write any small program that will compile in "C" but not in "C++"


* Have you heard of "mutable" keyword?


* What is a "RTTI"?


* Is there something that I can do in C and not in C++?


* Why preincrement operator is faster than post increment?


* What is the difference between "calloc" and "malloc"?


* What will happen if I allocate memory using "new" and free it using "free" or allocate sing "calloc" and free it using "delete"?


* What is Memory Alignment?


* Explain working of printf.


* Difference between "printf" and "sprintf".


* What is "map" in STL?


* When shall I use Multiple Inheritance?


* What are the techniques you use for debugging?


* How to reduce a final size of executable?


* Give 2 examples of a code optimization.


* What is inheritance?


* Difference between Composition and Aggregation.


* Difference: Sequence Diagrams, Collaboration Diagrams.


* Difference: 'uses', 'extends', 'includes'


* What shall I go for Package Diagram?


* What is Polymorphism?


* Is class an Object? Is object a class?


* Comment: C++ "includes" behavior and java "imports"


* What do you mean by "Realization"?


* What is a Presistent, Transient Object?


* What is the use of Operator Overloading?


* Does UML guarantee project success?


* Difference: Activity Diagram and Sequence Diagram.


* What is association?


* How to resolve many to many relationship?


* How do you represent static members and abstract classes in Class Diagram?


* What does static variable mean?


* What is a pointer?


* What is a structure?


* What are the differences between structures and arrays?


* In header files whether functions are declared or defined?


* What are the differences between malloc() and calloc()?


* What are macros? what are its advantages and disadvantages?


* Difference between pass by reference and pass by value?


* What is static identifier?


* Where are the auto variables stored?


* Where does global, static, local, register variables, free memory and C Program instructions get stored?


* Difference between arrays and linked list?


* What are enumerations?


* Describe about storage allocation and scope of global, extern, static, local and register variables?


* What are register variables? What are the advantage of using register variables?


* What is the use of typedef?


* Can we specify variable field width in a scanf() format string? If possible how?


* Out of fgets() and gets() which function is safe to use and why?


* Difference between strdup and strcpy?


* What is recursion?


* Differentiate between a for loop and a while loop? What are it uses?


* What are the different storage classes in C?


* Write down the equivalent pointer expression for referring the same element a[i][j][k][l]?


* What is difference between Structure and Unions?


* What the advantages of using Unions?


* What are the advantages of using pointers in a program?


* What is the difference between Strings and Arrays?


* In a header file whether functions are declared or defined?


* What is a far pointer? where we use it?


* How will you declare an array of three function pointers where each function receives two ints and returns a float?


* what is a NULL Pointer? Whether it is same as an uninitialized pointer?


* What is a NULL Macro? What is the difference between a NULL Pointer and a NULL Macro?


* What does the error 'Null Pointer Assignment' mean and what causes this error?


* What is near, far and huge pointers? How many bytes are occupied by them?


* How would you obtain segment and offset addresses from a far address of a memory location?


* Are the expressions arr and &arr same for an array of integers?


* Does mentioning the array name gives the base address in all the contexts?


* Explain one method to process an entire string as one unit?


* What is the similarity between a Structure, Union and enumeration?


* Can a Structure contain a Pointer to itself?


* How can we check whether the contents of two structure variables are same or not?


* How are Structure passing and returning implemented by the complier?


* How can we read/write Structures from/to data files?
 

* What do you mean by multiple inheritance and multilevel inheritance? Differentiate between them.


* Difference between realloc() and free?


* What is a template?


* What are the main differences between procedure oriented languages and object oriented languages?


* What is R T T I ?


* What are generic functions and generic classes?


* What is namespace?


* What is the difference between pass by reference and pass by value?


* Why do we use virtual functions?


* What do you mean by pure virtual functions?


* What are virtual classes?


* Does c++ support multilevel and multiple inheritance?


* What are the advantages of inheritance?


* When is a memory allocated to a class?


* What is the difference between declaration and definition?


* What is virtual constructors/destructors?


* In c++ there is only virtual destructors, no constructors. Why?


* What is late bound function call and early bound function call? Differentiate.


* How is exception handling carried out in c++?


* When will a constructor executed?


* What is Dynamic Polymorphism?


* Write a macro for swapping integers.

How do you write a program which produces its own source code as its output?


* How can I find the day of the week given the date?


* Why doesn't C have nested functions?


* What is the most efficient way to count the number of bits which are set in a value?


* How can I convert integers to binary or hexadecimal?


* How can I call a function, given its name as a string?


* How do I access command-line arguments?


* How can I return multiple values from a function?


* How can I invoke another program from within a C program?


* How can I access memory located at a certain address?


* How can I allocate arrays or structures bigger than 64K?


* How can I find out how much memory is available?


* How can I read a directory in a C program?


* How can I increase the allowable number of simultaneously open files?


* What's wrong with the call "fopen("c:\newdir\file.dat", "r")"?


* What is the output of printf("%d")


* What will happen if I say delete this


* Difference between "C structure" and "C++ structure".


* Difference between a "assignment operator" and a "copy constructor"


* What is the difference between "overloading" and "overriding"?


* Explain the need for "Virtual Destructor".


* Can we have "Virtual Constructors"?


* What are the different types of polymorphism?


* What are Virtual Functions? How to implement virtual functions in "C"


* What are the different types of Storage classes?


* What is Namespace?


* What are the types of STL containers?.


* Difference between "vector" and "array"?


* How to write a program such that it will delete itself after exectution?


* Can we generate a C++ source code from the binary file?