Question 1

a group of statements that is
executed when it is called from some point of the
program

Accepted Answer

function

Question 2

a self contained block of code with
a specific purpose

Accepted Answer

function

Question 3

It has a name that is used to
identify and call it for execution

Accepted Answer

function

Question 4

subprogram that acts on data and
often returns a value

Accepted Answer

function

Question 5

• easier to maintain,
• update and
• debug than one very long program

Accepted Answer

advantages of function

Question 6

By programming in a modular (functional) fashion, several
programmers can work independently on separate functions
which can be assembled at a later date to create the entire
project

Accepted Answer

True

Question 7

One function that every
C++ program possesses:
__________

Accepted Answer

int main()

Question 8

The program that calls a
function is often referred
to as the ___________

Accepted Answer

calling program

Question 9

programmed routine that
has its parameters set by the user of the system

Accepted Answer

user defined function

Question 10

functions that perform
specific tasks within a larger system, such as a database
or spreadsheet program

Accepted Answer

User defined functions

Question 11

return_type function_name(parameter_list )
{
local_definitions;
function_implementation;
}

Accepted Answer

e standard form of declaration of a function

Question 12

If the function returns a value then the type of that value must be
specified in _____________

Accepted Answer

return_type

Question 13

If the function does not return a value then the return_type
must be __________

Accepted Answer

void

Question 14

follows the same rules of composition as
identifiers.

Accepted Answer

function_name

Question 15

lists the formal parameters of the function
together with their types

Accepted Answer

parameter_list

Question 16

definitions of variables that are used in the
function_implementation. These variables have no meaning outside
the function

Accepted Answer

local_definitions

Question 17

consists of C++ executable
statements that implement the effect of the function

Accepted Answer

function_implementation

Question 18

main parts of the function: The
function ________ and the function __________

Accepted Answer

header and body

Question 19

int sum(int x, int y)

Accepted Answer

function header

Question 20

•The name of the function i.e. sum
•The parameters of the function enclosed in
paranthesis
•The return value type i.e. int

Accepted Answer

three main parts

Question 21

written in { }

Accepted Answer

body of the function

Question 22

It provides the basic information about a function which
tells the compiler that the function is used correctly or not

Accepted Answer

function prototype

Question 23

It contains the same information as the function header
contains

Accepted Answer

function prototype

Question 24

It can be used to check the calls to the function for the
proper number of parameters and the correct types of
parameters

Accepted Answer

function prototype

Question 25

The only difference between the header and the
prototype is the _______

Accepted Answer

semicolon ;.

Question 26

function that can be made to return a single value to
the calling program is referred to as __________

Accepted Answer

non-void function.

Question 27

function that is written to perform specific task
and return multiple values to calling program

Accepted Answer

void functions

Question 28

variables/values used within the
function call

Accepted Answer

Actual arguments

Question 29

variables used within
the function header that receives the copy of the actual argument
values

Accepted Answer

formal parameters

Question 30

The number of actual arguments must be the same as the
number of formal parameters

Accepted Answer

True

Question 31

The correspondence between actual and formal parameter
is __________ basis according to the respective orders

Accepted Answer

one-to-one

Question 32

This means that when calling a function with parameters,
what we have passed to the function were copies of their
values but never the variables themselves

Accepted Answer

pass by value

Question 33

In some cases where you need to manipulate from inside a
function the value of an external variable we can use arguments
 __________

Accepted Answer

passed by reference

Question 34

In the declaration, the type of each parameter was followed
by an ___________ to specify that their corresponding
arguments are to be passed by reference instead of by value

Accepted Answer

ampersand sign (&)

Question 35

A function that calls itself is known
as a ____________

Accepted Answer

recursive function

Question 36

function call in
which the function being called is
the same as the one making the
call.

Accepted Answer

Recursive call

Question 37

programming
technique in which procedures and
functions call themselves

Accepted Answer

Recursion

Question 38

The case for which the solution
can be stated non-recursively
The case for which the answer
is explicitly known

Accepted Answer

Base case

Question 39

The case for which the solution
is expressed in smaller version
of itself. Also known as
recursive case.

Accepted Answer

General Case

Question 40

Also known as
recursive case.

Accepted Answer

General Case

Question 41

In recursion, it is essential for a function to call itself, otherwise
recursion will not take place

Accepted Answer

True

Question 42

Only user define function can be involved in recursion.

Accepted Answer

True

Question 43

To stop the recursive function it is necessary to base the recursion
on test condition and proper terminating statement such as exit() or
return must be written using if() statement.

Accepted Answer

True

Question 44

When a recursive function is executed, the recursive calls are not
implemented instantly. All the recursive calls are pushed onto the
stack until the terminating condition is not detected, the recursive
calls stored in the stack are popped and execu

Accepted Answer

True

Question 45

During recursion, at each recursive call new memory is allocated to
all the local variables of the recursive functions with the same
name.

Accepted Answer

True

Question 46

• It makes our code shorter and cleaner.
• Complex code and nested for loops are avoided here.
• Recursion is required in problems concerning data structures and

Accepted Answer

Advantages of C++ Recursion

Question 47

It takes a lot of stack space compared to an iterative program.
• It uses more processor time.
• It can be more difficult to debug compared to an equivalent iterative
program.
advanced algorithms, such as Graph and Tree Traversal.

Accepted Answer

Disadvantages of C++ Recursion

Question	Answer
a group of statements that is executed when it is called from some point of the program	function
a self contained block of code with a specific purpose	function
It has a name that is used to identify and call it for execution	function
subprogram that acts on data and often returns a value	function
• easier to maintain, • update and • debug than one very long program	advantages of function
By programming in a modular (functional) fashion, several programmers can work independently on separate functions which can be assembled at a later date to create the entire project	True
One function that every C++ program possesses: __________	int main()
The program that calls a function is often referred to as the ___________	calling program
programmed routine that has its parameters set by the user of the system	user defined function
functions that perform specific tasks within a larger system, such as a database or spreadsheet program	User defined functions
return_type function_name(parameter_list ) { local_definitions; function_implementation; }	e standard form of declaration of a function
If the function returns a value then the type of that value must be specified in _____________	return_type
If the function does not return a value then the return_type must be __________	void
follows the same rules of composition as identifiers.	function_name
lists the formal parameters of the function together with their types	parameter_list
definitions of variables that are used in the function_implementation. These variables have no meaning outside the function	local_definitions
consists of C++ executable statements that implement the effect of the function	function_implementation
main parts of the function: The function ________ and the function __________	header and body
int sum(int x, int y)	function header
•The name of the function i.e. sum •The parameters of the function enclosed in paranthesis •The return value type i.e. int	three main parts
written in { }	body of the function
It provides the basic information about a function which tells the compiler that the function is used correctly or not	function prototype
It contains the same information as the function header contains	function prototype
It can be used to check the calls to the function for the proper number of parameters and the correct types of parameters	function prototype
The only difference between the header and the prototype is the _______	semicolon ;.
function that can be made to return a single value to the calling program is referred to as __________	non-void function.
function that is written to perform specific task and return multiple values to calling program	void functions
variables/values used within the function call	Actual arguments
variables used within the function header that receives the copy of the actual argument values	formal parameters
The number of actual arguments must be the same as the number of formal parameters	True
The correspondence between actual and formal parameter is __________ basis according to the respective orders	one-to-one
This means that when calling a function with parameters, what we have passed to the function were copies of their values but never the variables themselves	pass by value
In some cases where you need to manipulate from inside a function the value of an external variable we can use arguments __________	passed by reference
In the declaration, the type of each parameter was followed by an ___________ to specify that their corresponding arguments are to be passed by reference instead of by value	ampersand sign (&)
A function that calls itself is known as a ____________	recursive function
function call in which the function being called is the same as the one making the call.	Recursive call
programming technique in which procedures and functions call themselves	Recursion
The case for which the solution can be stated non-recursively The case for which the answer is explicitly known	Base case
The case for which the solution is expressed in smaller version of itself. Also known as recursive case.	General Case
Also known as recursive case.	General Case
In recursion, it is essential for a function to call itself, otherwise recursion will not take place	True
Only user define function can be involved in recursion.	True
To stop the recursive function it is necessary to base the recursion on test condition and proper terminating statement such as exit() or return must be written using if() statement.	True
When a recursive function is executed, the recursive calls are not implemented instantly. All the recursive calls are pushed onto the stack until the terminating condition is not detected, the recursive calls stored in the stack are popped and execu	True
During recursion, at each recursive call new memory is allocated to all the local variables of the recursive functions with the same name.	True
• It makes our code shorter and cleaner. • Complex code and nested for loops are avoided here. • Recursion is required in problems concerning data structures and	Advantages of C++ Recursion
It takes a lot of stack space compared to an iterative program. • It uses more processor time. • It can be more difficult to debug compared to an equivalent iterative program. advanced algorithms, such as Graph and Tree Traversal.	Disadvantages of C++ Recursion

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