1.How to find number of ’1′s in a 32bit integer?
2.What is a Dangling pointer?
3.What is a friend function?
4.what is the use of copy constructor?
5.Difference between memcpy and strcpy?
6.Difference between malloc and calloc?
7.What is the meaning of volatile in c?
8.what is constant pointer and pointer to constant?
9.Write a function to copy two strings?~~similar to strcpy.
10.what is the difference between reference and a pointer?
11.what are the commands used for gdb?
12.write a function to allocate memory and return it to a function?
13.write the implementation of prefix and postfix operators and state which one is effeciant?
14.What is the size of derived class object?
15.What is explicit keyword?
16.what is IPC?
17.what is multithreading and multitasking?
18.what is a process and what is a thread?
19.what is a signal and slot?
20.Why should one use signals and slots in Qt?
21.How to implement signals and slots across threads?
22.what is a moc?
23.Describe the build process of Qt project?
24.what is the static keyword?
25.How to implement inheritance in C?
26.what is a virtual function?
27.what is a stack?
28.what is polymorphism?
