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11th Computer Science Weekly Test - 3 ( Arrays and Structures )

MABS Institution

11th Computer Science Weekly Test - 3 ( Arrays and Structures )-Aug 2020

Time : 1.00 Hours

Part - A

Multiple Choice Question - Answer All Question

Which of the following concept helps to store multiple values in a single variable?

function
Array
overloading
abstraction

Which ofthe following can be passed to a function in a similar way of passing an argument that is of built-in datatype?

structure variable
ordinary variable
pointer variable
array variable

Which of the following provides a facility to store different datatypes?

Arrays
functions
inline
Structures

int age[]={6,90,20,18,2}; How many elements are there in this array?

2
5
6
4

A unique index number is also known as

super script
subnumber
subscript
none of these

Which of the following statement is false?
(i) Structure element values cannot be assigned as similar to assigning values to variables
(ii) Structure element values can be assigned as similar to assigning values to arrays
(iii) Pointer type members of structure can be accessed by (dot)

only (ii)
both (i) and (iii)
both (ii) and (iii)
only (iii)

When accessing a structure member, the identifier to the left of the dot operator is the name of

structure variable
structure tag
structure member
structure function

Which of the. following is a correct syntax?

< datatype > [array size] < array name >;
< datatype > < array name > [array size];
< array name > [array size] [datatype];
[datatype] < array name > < array size >;

Object declared along with structure definition are called

function objects
local objects
global objects
class objects

Which of the following cannot be a structure member?

Another structure
Function
Array
variable of double datatype

Write the output of the following snippet.
int n[4] = {50, 40, 30, 20};
int m = 3;
cout << n[m = m-1];

50
40
30
20

A structure without a tag is called

unnamed structure
synchronous structure
undefined structure
Anonymous structure

Structure variable can passed by
(i) by value
(ii) by reference

only(i)
only (ii)
both (i) or (ii)
none of these

The size of the array is referred to as its ________.

dimension
direction
location
space

Which declaring and initialized values in an array, the values are enclosed in

{}
()
<>
[]

The size of an array should be specified in

<>
{}
()
[]

What will happen when the structure is declared?

it will not allocate any memory
it will allocate the memory
it will the declared and initialized
it will be only declared

If array is not initialized, all the array elements contain

initial value
garbage value
final value
no value

The first argument of get() function is

size of an array
name of an array
index number
number of elements

A structure declaration is given below
struct employee
{
int empno;
char ename[10];
}e[5] ;
Using above declaration which of the following statement is correct.

cout<
cout<
cout < empno < ename;
cout<

In C++, there is no datatype to represent a

integer
character
exponential value
string

Array index number always

Signed integer
Unsigned integer
Unsigned float
Unsigned, value

What must be known in advance while creating an array?

index number
subscript
length
elements

In C++, which datatype is used to represent a string?

string
long char
short char
no datatype

Which of the following increases the time consumption while searching?

Structures
Arrays
functions
built-in functions

How many bytes allocated to int datatype by Turbo C++?

2
4
8
10

cin >>n[3]; To which element does this statement accepts the value?

2
3
4
5

The subscript in bracket can be a

variable
constant
expression
all of these

Array of structure is declared in the same way as declaring an array with ___________.

built-in data type
data type
undefined
none of these

How many types of arrays in C++?

2
3
4
many

The subscript in bracket can be a variable, a constant or an expression to _________.

character
integer
long double
float

During ________ the array of elements cannot be initialized more than its size.

declaration
initialization
assigning
execution

How many arguments are there in get() function?

2
3
only one
4

In which array the values are arranged in a single row?

2D
Multi Dimensional
ID
5D

The address of the structure variable is passed to the function using the operator

*
\(\rightarrow\)
@
&

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