Question Detail

Which is more memory efficient ?

structure
union
both use same memory
depends on a programmer

Answer: Option B

Similar Questions :

1. Which among following is correct way of declaring object of a class ?

Classname Objectname;
Class Classname Objectname;
Class Classname Object Objectname;
Classname Object Objectname;

Answer: Option A

2. Enumerator will allocate the memory when its variables are defined.

True
False

Answer: Option A

3. 37. Which of the following statements is false ?

Using typedef does not replace the standard C++ data type name with the new name
The new name defined by typedef, can be used as a type for another typedef
typedef defines new data types
None of the above

Answer: Option C

4. The derived class constructor

never passes any values to base class constructor
can pass arguments only to one base class constructor function
is responsible for passing the entire test of arguments needed by base class constructors
none of above

Answer: Option C

5. A variable is defined within a block in a body of a function. Which of the following are true ?

It is visible from the point of definition to the end of the program.
It is visible throughout the function.
It is visible from the point of definition to the end of the block.
It is visible throughout the block.

Answer: Option B

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