C++ Test 2

1.What will be the results of “54 << 3"?

• None of these
• I don’t know
• 623
• 556
• 523
• 47
• 440
• 432
• 413

2.Which one is correct, according to the ANSI specifications?

• void main(void)
• void main()
• int main()
• I don’t know

3.The fundamental storage unit in the C + + memory model is?

• int
• I don’t know
• double
• char
• byte
• bit

4.Which of the following is not a keyword?

• volatile
• union
• typeid
• try
• None
• mutable
• I don’t know
• dynamic_cast
• cast

5.What is this- “extern int a;” ?

• I don’t know
• Definition
• Declaration

6.What is this - “int f(int x) { return x+10; }” ?

• I don’t know
• Definition
• Declaration

7.What is this - “int f(int x);” ?

• I don’t know
• Definition
• Declaration

8.Can namespaces be nested?

• Yes
• No
• I don’t know
• Depends

9.May destructors have arguments?

• Yes
• No
• I don’t know

10.Where can you put a continue statement?

• Inside a function
• In or as a loop body
• In a nested loop
• I don’t know
• Everywhere in the program
• Elsewhere

11.Can a return statement be used into a void function?

• Yes, and nothing will happen
• Yes, and it will exit the function
• Yes, and it will be ignored
• No
• I don’t know
• Depends

12.Can a static member function be virtual?

• Yes
• No
• I don’t know
• Depends

13.Can unions have constructors and destructors?

• Yes
• No
• I don’t know

14.Can unions have virtual functions?

• Yes
• No
• I don’t know

15.Can the anonymous unions have private and protected members?

• Yes
• No
• I don’t know

16.Can the anonymous unions have function members?

• Yes
• No
• I don’t know

17.Can a bit-field be a static member?

• Yes
• No
• I don’t know

19.Can classes be nested?

• Yes
• No
• I don’t know
• Depends

20.Can a friend template be defined within a class?

• Yes
• No
• I don’t know

21.What a function cannot return?

• Reference
• Pointer
• None of them
• I don’t know
• Array
• All of them

22.Is it possible to get the address of a constructor?

• Yes
• No
• I don’t know
• Depends

23.If we have class A with variable Name in it and write: “A *obj”, how do you invoke the Name variable?

• obj.Name
• obj->Name
• None of these will work
• I don’t know
• c and d will work
• All of these will work
• A.Name
• A->Name
• a and b will work

24.Can you overload the constructor?

• Yes
• No
• I don’t know

25.Where can you overload the “=” operator?

• It can’t be overloaded
• In an operator-member function
• In a friend function
• I don’t know
• Both b and c are true

26.What type is the [] operator, when talking about overloading it?

• Unary
• Not-defined
• I don’t know
• Binary

27.Which of these has the lowest precedence priority?

• ||
• |
• ^
• I don’t know
• ?:
• >>
• <<
• &&
• &

28.What will be the result of 100/10*2?

• Other
• I don’t know
• 5
• 20

29.What will be the results of 1000/100%7*2?

• Other
• I don’t know
• 6
• 250
• 1000
• 10

30.What will this do: for(;;)?

• Loop forever
• Illegal
• Ignored by the compiler
• I don’t know
• Crash the OS

31.Which of the following is evaluated first?

• ||
• I don’t know
• &&
• !
  

Tags: C test, function