Functions interview questions

____ are the building blocks C++ programs.

1. Switch
2. For
3. If-else
4. Functions

How many types of scopes in C++?

1. 2
2. 3
3. 4
4. 5

Which function executes faster but requires more memory space?

1. Inline function
2. Regular function
3. Void function
4. Normal function

A variable declared above all blocks and functions has the ___

1. Class scope
2. Function scope
3. Local scope
4. Scope of a file

The starting point for the execution of a program is ___

1. Class
2. Public
3. Void ()
4. Main()

The return type of the function prototype float power (float,.int) is ___

1. Int
2. Float
3. Double
4. Char

The lifetime of a ___ variable is the life time of a program.

1. Global scope
2. Local scope
3. File scope
4. Function scope

In call by value method, the flow of data is always from the ___ statement to the function definition.

1. Call
2. Return
3. Function
4. Go to

A block of code begins and ends with ___

1. {}
2. []
3. ()
4. {]

The scope of any variable used in the entire program is ___

1. Class
2. Function
3. File
4. Local

The lifetime of a ___ variable, is the life time of the function block.

1. Function scope
2. File scope
3. Local scope
4. Global scope

A function can be invoked from another function using its ___

1. Value
2. Return
3. Name
4. Variables

The ___ reveals the hidden scope of a variable.

1. ++
2. *
3. %
4. Scope operator

In ___ a local variable is defined within a block.

1. Class scope
2. Local scope
3. Function scope
4. File scope

The calling function parameters are called as ___

1. Actual parameters
2. Dummy parameters
3. Duplicate parameters
4. Formal parameters

The functions that return no value is declared as ___

1. Null
2. Void
3. Static
4. Public

In ___ method any change in the formal parameters is not reflected back to the actual parameter.

1. Call by value
2. Call by reference
3. Call
4. Return

The main purpose of function prototype is to help the ____ to check the data requirement of the function.

1. Object
2. Linker
3. Interpreter
4. Compiler

An ___ looks like a normal function in the source file but inserts the function’s code directly into the calling program.

1. Inline
2. Online
3. Mainline
4. Line

Inline keyword is just a request to the ___

1. Object
2. Linker
3. Interpreter
4. Compiler