Technical – C / C++ Language Written Test Paper for Alter Engineering

• What is the difference between the functions malloc, calloc and realloc?
• How to open a binary file in Read/Write mode in C language?
• What is exception handling?
• What are pure virtual functions?
• Difference between member functions and static member functions?
• Difference between delete[ ] and delete?
• What is copy constructor?
• What are namespaces?
• What is call by value and call by reference?
• How can a C function be invoked using a C++ program?
• What is the difference between function overloading and function overriding?

There are 5 – 6 programs as well in this exam.

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