C++ Interview Questions
Programming Interviews Questions
- How can you defined OOP?
- How can you use OOP in your projects/products/applications?
- What is copy constructor?
- How many types of copy constructor are there?
- What shallow copy constructor does/behaves?
- Does C++ support copy constructor?
- Does Java support copy constructor?
- (If the answer to the previous question was correct) Why doesn’t Java support copy constructor?
- What is software life cycle?
C Interview Questions
- 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 the 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?
Good C interview Questions
- How do you decide which integer type to use?
- What should the 64-bit integer type on new, 64-bit machines be?
- What’s the best way to declare and define global variables?
- What does extern mean in a function declaration?
- What’s the auto keyword good for?
- I can’t seem to define a linked list node which contains a pointer to itself.
- How do I declare an array of N pointers to functions returning pointers to functions returning pointers to characters?
- How can I declare a function that returns a pointer to a function of its own type?
C Questions for a Hardware Engineer
- What are the total number of lines written in C/C++? What is the most complicated/valuable program written in C/C++?
- What compiler was used?
- Have you studied buses? What types?
- Have you studied pipelining? List the 5 stages of a 5 stage pipeline. Assuming 1 clock per stage, what is the latency of an instruction in a 5 stage machine? What is the throughput of this machine ?
- How many bit combinations are there in a byte?
- What is the difference between = and == in C?
- Are you familiar with VHDL and/or Verilog?
