cs201 grand quiz | grand quiz 2021 | vu grand quiz
Introduction to Programming (CS201)
Multiple
Choice Questions (MCQs)
 |
| cs201 grand quiz |
1.
If any break statement is missed in switch
statement then ________.
1.
compiler will give error
2. this may cause a logical error
3.
no effect on program
4.
program stops its execution
2.
The syntax of declaration of a function that
returns the reference to an integer is ________.
1. int & myfunc();
2.
int myfunc();
3.
int myfunc() &;
4.
integer & myfunc();
3.
C++ views each file as a sequential stream of
________.
1.
Bits
2. Bytes
3.
Numbers
4.
Words
4.
Whenever we use a library function or a
predefined object or macro, we need to use a ________.
1.
source file
2.
object file
3. header file
4.
exe file
5.
Operating System is a type of a/an ________.
1.
application software
2. system software
3.
computer language
4.
interpreter
6.
Structure use ________ allocation.
1.
Queue
2. Heap
3.
Cache
4.
Stack
7.
Member functions of the class ________ main
program.
1.
are not accessible
2. are accessible from
3.
are defined within the
4.
are private to
8.
We must include the header file ________ to
convert the value of one type into another type using built-in functions.
1.
conio.h
2.
stdlib.h
3. string.h
4.
iostream.h
9.
Given a 2D array of integers, what would be
the correct way of assigning the value 5 to the element at second row and third
column?
1.
m[2][3] = 5;
2.
m[3][2] = 5;
3. m[1][2] = 5;
4.
m[2][3] = '5';
10.
Overloading means :
1. Using the same name to perform multiple
tasks or different tasks depending on the situation.
2.
Using the different name to perform multiple tasks or different
tasks depending on the situation
3.
Using the same name to perform multiple tasks or same tasks
depending on the situation
4.
Using the same name to perform difficult tasks or complex tasks
and it does not depend on the situation
11.
In programming, comments are used to explain
the functioning of the ________.
1.
Debugger
2.
Editor
3. Program
4.
Linker
12.
A record is a group of related ________.
1.
Data
2. Fields
3.
Bytes
4.
Files
13.
The memory address of the first element of an
array is called ________.
1.
floor address
2.
foundation address
3.
first address
4. base address
14.
Which of the following function call is
"call by reference" for the following function prototype?
float add (float *);
1. add(&x);
2.
add(float x);
3.
add(x);
4.
add(*x);
15.
Transpose of a matrix means that when we
interchange rows and columns ________.
1.
the first row becomes the Last column
2. the first row becomes the first column
3.
the Last row becomes the first column
4.
the first column becomes the first row
16.
________ operator is used to pass the address
of a variable in call by reference method.
1.
%
2.
+
3.
@
4. &
17.
To convert the value of one type into another
type using built-in functions, we include ________ header file.
1.
conio.h
2. stdlib.h
3.
iostream.h
4.
string.h
18.
If B is designated as friend of A, B can
access A's non-public members.
1.
B cannot access private member of A
2.
B cannot access protected member of A
3. A can access non-public members of B
4.
A cannot access B
19.
Switch statement deals with ________ type of
data.
1.
Integer
2.
Float
3.
Character
4. Both Integer and Character
20.
How many dimensions does n-dimensional array
has?
1. n dimensions
2.
2n dimensions
3.
(n+1) dimensions
4.
(n-1) dimensions
21.
Suppose int i = 10; then what is the output of
cout<<oct<<i;
1.
10
2.
11
3. 12
4.
13
22.
Object code is machine code but it is not
________ and ________.
1. relocatable, executable
2.
faster, efficient
3.
compiled, debugged
4.
tested, compiled
23.
What will be the result of the expression k =
++m; if initially k = 0 and m = 4?
1.
0
2. 5
3.
6
4.
4
24.
The memory allocation functions return a chunk
of memory with a pointer of type ________.
1.
integer
2.
float
3. ptr
4.
void
25.
The function seekg() takes ________
parameter(s).
1.
0
2.
1
3. 2
4.
3
26.
What is the output of the following code if
the 3rd case is true
switch (var) {
case 'a':cout<<"apple"<<endl;
case 'b':cout<<"banana"<<endl;
case 'm':cout<<"mango"<<endl;
default: cout<<"any fruit"<<endl;
}
1.
mango
2. mango
any fruit
3.
apple
4.
None of the given
27.
C is a/an ________ language.
1.
low level
2.
object based
3.
object oriented
4. function oriented
28.
Within the statement obj1=obj2; obj1 will call
the assignment operator function and obj2 will be passed as an argument to
function.
1. True
2.
False
29.
A program statement that invokes a function is
called ________.
1.
function declaration
2. function call
3.
function definition
4.
function prototype
30.
Array is a data structure that stores
________.
1.
Memory addresses
2.
Variables
3.
Data type
4.
Data
31.
NULL has been defined in ________ header file.
1.
Iostream.h
2. Stdlib.h
3.
Stdio.h
4.
String.h
32.
Automatic variables are created on ________.
1.
Heap
2.
Free store
3.
Static storage
4. stack
33.
What will be the output of the given code?
#include #define MAX( A, B ) ((A) > (B) ? (A) : (B))
void main() {
int i, x, y;
x = 23;
y = 45;
i = MAX( x++, y++ );
// Side-effect: // larger value incremented twice
cout << "x = " << x << " y = " << y
<< '\n';
}
1.
x=23 y=45
2.
x=24 y=46
3. x=24 y=47
4.
x=22 y=47
34.
What is the output of the following code, if
the first case is true
switch (var) {
case 'a':cout<<"apple"<<endl;
case 'b':cout<<"banana"<<endl;
case 'm':cout<<"mango"<<endl;
default: cout<<"any fruit"<<endl;
}
1.
apple
2.
apple
any fruit
3. apple
banana
mango
any fruit
4.
none of above
35.
A variable of character data type occupies
________ byte(s) in memory.
1. 1
2.
2
3.
4
4.
8
36.
Which of the following function call is
"call by reference" for the following function prototype?
1.
func(int &num);
2. func(&num);
3.
func(*num);
4.
func(num);
37.
________ data type can operate on modulus
operator.
1. int
2.
float
3.
char
4.
double
38.
The friend function of a class can have access
________.
1.
to the public data members only
2. to the private data members
3.
to the protected data members
4.
to the main program
39.
________ of a function is also known as
signature of a function.
1.
Definition
2. Declaration
3.
Calling
4.
Invoking
40.
________ statement is used to terminate the
processing of a particular case and exit from switch structure.
1.
if
2.
goto
3. break
4.
continue
41.
The dynamic memory allocation uses ________
whereas static memory allocation uses ________.
1. heap , stack
2.
stack , lists
3.
array , stack
4.
classes , array
42.
Function prototype is written,
1.
Within main function
2.
After the return statement in main
3.
Before the return statement in main
4. Before call of that function
43.
________ stops execution at the line that
contains error(s) in the code.
1.
Compiler
2.
Debugger
3.
Interpreter
4.
Linker
44.
if
int sum = 54;
Then the value of the following statement is
sum = sum - 3;
1.
52
2.
50
3. 51
4.
57
45.
________ will return the number of bytes
reserved for a variable or data type.
1. Size of operator
2.
free operator
3.
void pointer
4.
new operator
46.
Word processor is a type of a/an ________.
1.
operating system
2. application software
3.
device driver
4.
utility software
47.
The first parameter of operator function for
<< operator ________.
1.
Must be passed by value
2.
Must be passed by
reference
3.
Can be passed by value or reference
4.
Must be object of class
48.
What will be the output of following code?
int x = 10;
cout<<"x="<<x;
1.
10
2.
"x=10"
3. x=10
4.
10=x
49.
To read command-line arguments, the main()
function itself must be given ________ arguments.
1.
1
2. 2
3.
3
4.
4
50.
The ________ is called automatically when an
object destroys.
1. destructor
2.
constructor
3.
main program
4.
default constructor
51.
We can ________ references.
1.
increment
2.
decrement
3.
reassign
4. None of the given
52.
________ is used as a dereferencing operator.
1. *
2.
+
3.
-
4.
None of the above
53.
We can ________ pointer.
1.
increment
2.
decrement
3.
reassign
4.
all of the given
54.
Both compiler and ________ are used to translate
program into machine language code.
1.
debugger
2.
linker
3.
loader
4. interpreter
55.
Symbolic constant PI can be defined as:
1.
#define PI 3.14;
2. #define PI 3.14
3.
#define PI=3.14
4.
# include pi=3.14
56.
Constructor is itself a ________ of C++ and
________.
1.
class, can be overloaded
2.
function, cannot be overloaded
3. function, can be overloaded
4.
object, can not be initialized
57.
Select the correct way to assign the address
of first element of array to pointer?
1.
int *ptr = &data[1];
2. int *ptr = &data;
3.
int *ptr = data;
4.
int *ptr = data[0];
58.
________ is a substitute of multiple if
statement.
1. if. . .elseif statement
2.
Continue statement
3.
Break statement
4.
Default statement
59.
Structure is a collection of ________ under a
single name.
1.
only functions
2. only variables
3.
both functions and variables
4.
only data types
60.
You cannot overload the ________ operator.
1. ? :
2.
*
3.
/
4.
++
61.
Identify the correct option which is used for
calling the function float area (int).
1.
area(&num);
2.
area(num);
3. area(int num);
4.
area(*num);
62.
Once we have defined a symbolic constant value
using #define, that value ________ during program execution
1.
can be changed
2. cannot be changed
3.
varies
4.
becomes zero
63.
TWAIN stands for ________.
1.
Technology With An Interesting Name
2.
Technology Without An Informative Name
3. Technology Without An Interesting Name
4.
Technology With An Informative Name
64.
In case of single dereferencing, the value of
the ________ is the address of the ________.
1. pointer, variable
2.
pointer, constant
3.
variable, pointer
4.
constant, pointer
65.
How many elements are stored in the following?
int matrix [4][5];
1.
9
2. 20
3.
25
4.
10
66.
From the options given, you need to choose the
option which is true for the given code.
for (int i = 1; i>0; i++) {
/*loop code*/
}
1.
the logical operator && cannot be used in a test
condition
2.
the while loop is an exit-condition loop
3.
the test condition is always false
4. the test condition is always true
67.
The compiler of C language is written in
________ language.
1.
JAVA
2.
BASIC
3.
FORTRAN
4. C
68.
An instance of a class is called ________.
1.
structure
2.
data type
3. object
4.
member function
69.
Syntax of a union is identical to ________.
1. structure
2.
class
3.
function
4.
loop
70.
What is the highest legal index for the
following array?
int arr[4]
1.
4
2. 3
3.
2
4.
1
71.
The ________ is called automatically when an
object destroys
1. destructor
2.
constructor
3.
main program
4.
default constructor
72.
When the logical operator && combines
two expressions then the result will be true only when the both expressions are
________.
1.
Logical
2.
Arithmetic
3. true
4.
false
73.
When an array element is passed to a function,
it is passed by ________.
1. reference
2.
data type
3.
value
4.
data
74.
The friend keyword provides access ________.
1. in one direction only
2.
in two directions
3.
to all classes
4.
to the data members of the friend class only
75.
The statement x += y can be interpreted as
________.
1. Adding the value of the x to the value
of the y and storing the result in x
2.
Adding the value of the y to the value of x, store the result in
y
3.
Adding the value of the x to the value of x, store the result in
x
4.
Adding the value of the y to the value of y, store the result in
x
76.
Which of the following syntax is best used to
delete an array of 5 objects named 'string' allocated using new operator.
1.
delete string;
2. delete []string;
3.
delete string[];
4.
delete string[5];
77.
char **argv can be read as ________.
1.
pointer to pointer
2.
pointer to char
3. pointer to pointer to char
4.
None of the given
78.
How many nested loops would be required to
manipulate n-dimensional array?
1.
n
2.
n + 1
3.
n - 1
4. 2n
79.
In C/C++, the default command line arguments
passed to the main function are ________.
1.
float argc, char **argv
2. int argc, char **argv
3.
int *argc, char *argv
4.
int argc, float **argv
80.
There can be ________ 'default' statement(s)
in any switch structure.
1.
1
2. 2
3.
3
4.
n
81.
It is possible to return an object from
function using this pointer.
1. True
2.
False
82.
Which of the following operators is used to
access the value of variable pointed by a pointer?
1. * operator
2.
-> operator
3.
&& operator
4.
& operator
83.
A pointer is ________.
1.
the address of a variable
2.
an indication of the variable to be accessed next
3. a variable for storing address
4.
the data type of an address variable
84.
dec, hex, oct are all ________.
1.
Member functions
2.
Objects of input/output streams
3.
Parameterized manipulators
4. Non-parameterized manipulators
85.
The members of a class declared without any
keyword are ________ by default.
1.
protected
2. private
3.
public
4.
constant
86.
A ________ is an array of characters that can store
number of character specified.
1.
Char
2. String
3.
Multidimensional array
4.
Data type
87.
What will be the size of the following
character array?
char name[] = "Adeel";
1. 5
2.
6
3.
4
4.
7
88.
The operators ++ and -- are used to increment
or decrement the value of a variable by ________.
1.
3
2.
2
3. 1
4.
4
89.
Which one of the given option is not a mode
for reading/writing the data from a file?
1.
in
2.
out
3.
trunc
4. get
90.
________ will explain the function of a
program.
1. Comments
2.
Debugger
3.
Compiler
4.
Linker
91.
________ variables are those that are defined
outside of main.
1.
Local
2.
Dynamic
3. Global
4.
Static
92.
The increment of a pointer depends on its
________.
1.
variable
2.
value
3. data type
4.
None of the given
93.
What is the output of the following code if
the 2nd case is true
switch (var) {
case 'a': cout<<"apple"<<endl;
case 'b':cout<<"banana"<<endl;
case 'm':cout<<"mango"<<endl;
default: cout<<"any fruit"<<endl;
}
1.
banana
2.
banana
any fruit
3. banana
mango
any fruit
4.
None of the given
94.
A hierarchy of classes which are used to deal
with console and disk files are called ________.
1.
Stream classes
2.
Simple classes
3.
Binary classes
4.
IO classes
95.
How many times the following do-while loop
will execute?
int k = 10; do { cout << "Statements" << endl; k -= 2; }
while(k>0);
1.
4
2.
5
3. 6
4.
7
96.
________ operators are the ones that require
only one operator to work.
1.
Unit
2. Unary
3.
Single
4.
None of the given
97.
Let suppose
int a, b, c, d, e;
a = b = c = d = e = 42;
This can be interpreted by the compiler as
1.
(a = b = (c = (d = (e = 42))));
2. a = (b = (c = (d = (e = 42))));
3.
a = b = (c = (d = (e = 42)));
4.
(a = b) = (c = d) = (e = 42);
98.
________ must be included to use stream
manipulation in your code.
1.
conio.h
2.
iostream
3.
stdlib.h
4. iomanip
99.
The statement cout << yptr will show the
________ the yptr points to.
1.
Value
2. memory address
3.
variable
4.
None of the given
100.
Individual characters in a string stored in an
array can be accessed directly using array ________.
1.
superscript
2.
script
3. subscript
4.
value
101.
C is widely known as development language of
________ operating system.
1.
Windows
2. Unix
3.
Mac OS
4.
Linux
102.
Consider the following code segment. What will
be the output of following code?
int addValue (int *a){
int b = (*a) + 2;
return b;
}
main() {
int x = 6;
cout<<addValue(&x)<<",";
cout<<x;
}
1. 6,8,6
2.
6,6,8
3.
6,8,8
4.
6,6,6
103.
The memory allocation in C++ is carried out
with the help of ________.
1.
NULL pointer
2. new operator
3.
dot operator
4.
+ operator
104.
The malloc function takes ________
argument(s).
1.
two
2.
three
3.
four
4. one
105.
Which function is used to locate the first
occurance of a character in any string?
1.
strchr()
2.
strstr()
3.
strtok()
4. strlen()
106.
In Flow Chart, flow of control is represented
by ________.
1.
Rectangle
2.
Circle
3.
Diamomd
4. Arrow
107.
While programming, it is good to provide an
easy to understand and easy to use interface; this programming skill is called
________.
1.
scalability
2.
usability
3.
reliability
4.
sustainability
108.
Memory allocated from heap or free store
________.
1.
can be returned back to the system automatically
2.
can be allocated to classes only
3.
cannot be returned back unless freed explicitly using malloc and
realloc
4. cannot be returned back unless freed
explicitly using free and delete operators
109.
ostream class is ________ and not under our
control.
1.
user-defined
2. built-in
3.
both user-defined and built-in
4.
None of the given
110.
________ are not available in C language.
1.
User defned functions
2.
Built in functions
3. Library functions
4.
Inline functions
111.
Which of the following if missing would result
in infinite recursion in case of recursive function?
1. Recursive call
2.
Base case
3.
Function parameters
4.
Local variables
112.
Once the ________ are created, they exist for
the life time of the program.
1.
local variables
2.
non static variables
3.
static variables
4.
automatic variables
113.
Which of the following loops checks the test
condition at the end of the loop?
1.
While
2. Do-While
3.
For
4.
Nested Loop
114.
________ operators are the ones that require
two operands on both sides of the operator.
1.
Double
2.
Tow sided
3. Binary
4.
None of the given
115.
The condition in loop should be a(n) ________.
1.
Constant Expression
2.
Boolean Expression
3.
Primary Expression
4.
Arithmetic Expression
116.
A reference cannot be NULL it has to point a
data type.
1. True
2.
False
117.
To access rand(), which library is required to
be included in program?
1.
conio.h
2.
stdio.h
3. stdlib.h
4.
iostream.h
118.
What will be the correct syntax for
declaration of the following statement?
"ptr is a constant pointer to an integer"
1.
const * int myptr;
2. const int *myptr;
3.
int const *ptr;
4.
int *const ptr;
119.
How many bytes an integer type pointer intPtr
will jump in memory if the statement below is executed?
intPtr += 2 ;
1.
2
2.
4
3. 8
4.
12
120.
What will be the result of arithmetic
expression 6+48/4*3?
1.
10
2.
40.5
3. 42
4.
41
121.
'While' loop may execute ________ or more
times.
1.
three
2. zero
3.
two
4.
one
122.
In computer systems there are mainly ________
type of softwares.
1.
1
2. 2
3.
3
4.
4
123.
if (a>b && a>c) then the
condition will be true only if
1. Both a>b and a>c are true
2.
a>b is false and a>c is true
3.
a>b is true and a>c is false
4.
Both a>b and a>c are false
124.
What will be the value of the variable output
in the given piece of code?
double output = 0;
output = (2 + 2) * 4 + 2 / (4 - 2);
1.
15
2. 17
3.
12
4.
11
125.
Given a two dimensional array of integers,
what would be the correct way of assigning the value 6 to the element at third
row and fourth column?
1.
array[3][4] = 6 ;
2.
array[2][4] = 6 ;
3.
array[4][3] = 6 ;
4. array[2][3] = 6 ;
126.
A function is a block of statements that can
be defined once and used ________ in the program.
1.
One time
2.
Two times
3.
Three times
4. As many times as user wants
127.
getche() is a ________ function and defined in
________ header file.
1.
user-define function , conio.h
2. built-in function , conio.h
3.
built-in function, stlib.h
4.
built -in function, iostream.h
128.
Which of the following is not an example of
int data type?
1.
0
2.
-32
3.
65531
4. -4
129.
What will be the correct syntax for
initialization of a pointer ptr with string "programming"?
1.
char ptr = 'programming';
2. char *ptr = "programming";
3.
char *ptr = 'programming';
4.
*ptr = "programming";
130.
Symbolic constant PI can be defined as:
1.
#define PI 3.14 ;
2. #define PI 3.14
3.
#define PI=3.14
4.
# include pi= 3.14
131.
< and > both are ________ operators.
1.
Arithmetic
2. Relational
3.
Logical
4.
Mathematical
132.
When the break statement is encountered in a
loop's body, it transfers the control ________ from the current loop.
1.
Inside
2.
Outside
3.
To break statement
4.
To continue statement
133.
________ executes all the lines before error
and stops at the line which contains the error.
1. Intrepreter
2.
Compiler
3.
Linker
4.
Debugger
134.
Return type of a function that does not return
any value must be ________.
1.
char
2.
int
3. void
4.
double
135.
Which of the following data types will be
assumed if no data type is specified with constant?
1. short
2.
float
3.
int
4.
double
136.
Which of the following function call is
"call by reference" for the following function prototype?
int add (int *);
1. add(&x);
2.
add(int x);
3.
add(x);
4.
add(*x);
137.
In the given expression which operator will be
evaluated first? 10 + (6 / 2) - 2 * 3?
1.
+
2.
-
3. /
4.
*
138.
The second parameter of operator function for
>> operator must always be passed
1. By reference
2.
Function takes no argument
3.
By value
4.
None of the given
139.
How many times the following loop will
execute?
int j = 3; while(j > 0) { cout << "Statements" <<
endl; j -= 2; }
1.
0
2.
1
3. 2
4.
3
140.
We cannot increment ________.
1.
pointers
2.
arrays
3.
references
4.
variables
141.
In order to get the right most digit of a
number, we divide this number by 10 and take ________.
1.
Its remainder
2.
Its quotient
3.
Its divisor
4.
The number
142.
The parameter passed to isdigit() function is
________.
1. a character variable
2.
a boolean variable
3.
an integer variable
4.
a character string
143.
What will be the correct syntax for the
following function call?
float add (int &);
1.
add(int x);
2.
add(&x);
3.
add(x);
4.
add(*x);
144.
________ data isn't accessible by non-member
functions or outside classes.
1.
Public
2. private
3.
Static
4.
Globally declared
145.
What will be the output of following code
segment?
for (int i = 2; i<10; i++) {
if ( i == 5) continue;
cout << i << "," ;
}
1.
2,3,7,8,9
2. 2,3,4,6,7,8,9
3.
2,3,4
4.
4,6,7,8,9
146.
!( x < 3) means in C++ that
1.
x is less than 3
2. x is greater than or equal to 3
3.
x is greater than 3
4.
x is equal to 3
147.
The default visibility for the data members of
the class is
1. private
2.
protected
3.
public
4.
accessible outside the class
148.
The endl and flush are ________.
1.
Functions
2.
Operators
3.
Manipulators
4.
Objects
149.
C++ is a ________ language.
1. High level
2.
Low level
3.
Machine
4.
Assembly language
150.
What will be the result of the expression j =
i++; if initially j = 0 and i = 5?
1.
0
2. 5
3.
6
4.
4
151.
ostream is a ________ operator.
1.
dependent
2.
member
3. standalone
4.
None of the given
152.
NULL character is used to indicate the
________ of string.
1.
Start
2. End
3.
Begin
4.
Middle
153.
When operator function is implemented as
member function then return type of function ________.
1.
Must be an object of same class
2.
Must be user-defined data type
3.
Must be built-in data type
4. Can be any data type
154.
Which of the following is the starting index
of an array in C++?
1. 0
2.
1
3.
-1
4.
2
155.
We can define a matrix as ________ array.
1.
Sorted
2.
Unsorted
3.
Single dimensional
4.
Multi dimensional
156.
What will be the output of the following c++
code?
#include<iostream.h>
#define max 100
main()
{
#ifdef max
Cout<<"Hellow;
}
1.
Hello
2.
"Hellow"
3.
Max is 100
4. Error
157.
When the logical operator AND (&&)
combines two expressions exp1 and exp2 then the result will be true only
________.
1.
When both exp1 and exp2
are true
2.
When both exp1 and exp2 are false
3.
When exp1 is true and exp2 is false
4.
When exp1 is false and exp2 is true
158.
The parameter passed to isdigit() function is
________ variable.
1.
Character
2.
Boolean
3. Integer
4.
Float
159.
The members of a class declared with the
keyword struct are ________ by default.
1.
static
2.
Private
3.
protected
4. public
160.
Which one of the below functions is not
included in ctype.h header file?
1.
isdigit(int c)
2.
isxdigit(int c)
3.
tolower(int c)
4. getdigit(int c)
161.
The microsoft word document (.doc) is a kind
of ________.
1.
Sequential File
2. Random Access File
3.
Binary Access File
4.
Executable File
162.
We should not use such variable names that are
starting with ________ because in C++, there are lots of internal constants and
symbolic names that start with it.
1.
upper case alphabets
2.
lower case alphabets
3. double underscore
4.
None of the given
163.
When the compiler overload the assignment (=)
operator by default then
1.
Class members are not assigned properly
2.
Compiler does not allow default assignment operator
3.
Compiler does member wise
assignment.
4.
None of the given
164.
________ are very good tools for code reuse.
1.
operators
2.
loops
3. functions
4.
variables
165.
The purpose of using cout<< is to
________.
1. Display information on the screen
2.
Read the data from keyboard
3.
Read the data from a file
4.
Write into a file
166.
The remainder (%) operator is a ________
operator.
1.
Logical
2.
Arithmetic
3.
Relational
4.
Conditional
167.
The main advantage of function overloading is
________.
1.
The program becomes portable
2.
The program becomes complex
3.
The function becomes inline
4. The program becomes more readable
168.
cout << i << " ";
cout << d <<" ";
cout << f;
Above statements can be written within statement of one line as:
1.
cout << i <<" "<< d "
"<< f << ;
2.
cout << i << << d << << f
<<;
3. cout << i <<"
"<< d <<" "<< f;
4.
cout << i << " "<< d <<"
" f<<;
169.
We want to access array in random order which
of the following approach is better?
1. Pointer
2.
Array index
3.
Both pointers and array index are better
4.
Matrix
170.
________ is the pointer which determines the
position in a file from where the next read operation occurs.
1. put
2.
seek
3.
get
4.
tell
171.
Constructor is a special function, called
whenever we ________.
1.
create a function
2. instantiate an object of a class
3.
destroy an object
4.
create a class
172.
The ________ statement allows us to select
from multiple choices based on a set of fixed values for a given expression.
1. switch
2.
break
3.
continue
4.
goto
173.
C++ was developed by ________.
1.
Charles Babbage
2.
Graham Bell
3. Bejarne Stroustrup
4.
Von Nuemann
174.
The most suitable data type for number 325.25
is ________.
1.
char
2.
int
3.
short
4. float
175.
Which of the following is not a reserved word
in C/C++?
1.
int
2.
float
3.
double
4. sum
176.
A class can be declared as a ________ of other
class.
1. member
2.
member function
3.
friend
4.
part
177.
To avoid dangling reference, don't return
________.
1. the reference of a local variable from
the function
2.
the reference of a global variable from the function
3.
the reference of a static variable from the function
4.
the reference of a private data member from the function
178.
Constructor is special type of function :
1. which has no return type
2.
which returns NULL pointer
3.
which returns zero
4.
which returns integer type data
179.
For console input and output we use ________.
1. conio.h header file
2.
stdlib.h header file
3.
process.h header file
4.
getch.h header file
180.
A ________ structure specifies that an action
is to be repeated while some condition remains true.
1. Control
2.
Logical
3.
Repetition
4.
Relational
181.
Suppose that an integer type pointer contains
a memory address 0x22f220. What will be the new memory address if we increment
this pointer by one?
1.
0x22f221
2.
0x22f222
3.
0x22f223
4. 0x22f224
182.
It is the job of ________ to transfer the
executable code from hard disk to main memory.
1.
interpreter
2.
Debugger
3.
Linker
4. Loader
183.
What is the correct syntax to declare an array
of size 10 of int data type?
1.
int [10] name;
2.
name[10] int;
3. int name[10];
4.
int name[];
184.
What will be the result of the expression k =
++m; if initially k = 0 and m = 5?
1.
0
2.
5
3. 6
4.
4
185.
The loop which is most suitable to be used
when the number of iterations is known is called ________.
1. for
2.
while
3.
do-while
4.
all looping processes require that the iterations be known.
186.
The name of the destructor is the same as that
of a class proceeding with a ________.
1.
& sign
2.
# sign
3.
@ sign
4. ~ sign
187.
When a variable is defined as static in a
class then ________.
1.
Separate copy of this variable is created for each object
2. Only one copy is created for all
objects of this class
3.
A copy of this variable is created for only static objects
4.
None of the given
188.
In C++, a variable can be declared anywhere in
the program this will increase ________.
1.
writability
2.
readability
3.
portability
4.
efficiency
189.
How many bytes of memory are occupied by array
'str'?
char str[] = "programming";
1.
10
2. 11
3.
12
4.
13
190.
Here the code is given below. You have to
identify the problem in the code.
while(i < 10) && (i > 24))
1.
the logical operator && cannot be used in test condition
2.
the while loop is an exit-condition loop
3.
the test condition is always true
4.
the test condition is
always false
191.
Which of the function call is "call by
value" for the following function prototype?
float add(int);
1.
add(&x);
2. add(x);
3.
add(int x);
4.
add(*x);
192.
We cannot use ________ pointer for storing and
reading data from it.
1. 'NULL
2.
integer
3.
double
4.
zero
193.
What will be the output of following
statement?
cout<<setfill('0')<<setw(7)<< 128;
1.
0128128
2. 0000128
3.
1280000
4.
0012800
194.
________ variables are defined in the main.
1.
Global
2.
Dynamic
3. Local
4.
All
195.
In C/C++, the string constant is enclosed in
________.
1.
curly braces { }
2.
parentheses( )
3.
single quotes ' '
4.
double quotes "
"
196.
The function write() takes ________ as
parameter(s).
1.
String of pointer type
2.
String of variable lengths, no. of bytes to be read and flags
3.
Poimter array of characters and a delimiter
4. String and no. of bytes to be written
197.
The constructor contains ________.
1.
return type
2. no return type
3.
objects
4.
classes
198.
For binary member operators, operands on the
________ drives (calls) the operation.
1. Left
2.
Right
3.
Both left and right
4.
None of the given
199.
Which one of the following is mandatory
preprocessor directive for c++?
1.
#undef
2. #include
3.
#undef
4.
All of the given
200.
!( x > 3) means in C++ that
1.
x is greater than 3
2. x is less than or equal to 3
3.
x is less than 3
4.
x is equal to 3
201.
Matrix is defined as ________.
1.
Single dimensional array
2. Multi-dimensional array
3.
Vector product
4.
Scalar product
202.
The correct syntax of do-while loop is
________.
1.
(condition) while; do {statements;};
2.
{statements;} do-while();
3.
while(condition); do {statements;};
4. do {statements;} while (condition);
203.
In the following nested For Loop, which loop
will run most number of times?
for( int i = 0; i < 5; i++)
{
for(int k = 0; k < 5; k++)
{
. . . . .
}
}
1.
Outer loop
2.
Inner loop
3.
Both loops run equal number of times
4. Depends upon the statements in the
inner loop's body
204.
A 2D array multi[5][10] can be accessed using
the array name as **multi, this technique is called ________.
1.
Single referencing
2.
Single dereferencing
3.
Double referencing
4. Double dereferencing
205.
Which one of the following languages has been
used to write the compiler of "C" language?
1.
Java
2.
Fortran
3.
Basic
4. C
206.
Body of any function is enclosed within
________.
1. { }
2.
( )
3.
[ ]
4.
" "
207.
The keyword ________ is used to get some value
back from a function.
1. return
2.
break
3.
continue
4.
goto
208.
Which of the following values are used in
C/C++ to represent true and false?
1. 1 and 0
2.
1 and -1
3.
11 and 00
4.
any numerical value
209.
In statement a+b+c, at first
1.
a+b is executed first
2. b+c is executed first
3.
All executed at the same time
4.
None of the given
210.
Which of the function call is call by value
for the following function prototype?
float add(float);
1.
add(&x);
2. add(x);
3.
add(float x);
4.
add(*x);
211.
The ________ structure is a multiple-selection
construct which makes the code more efficient and easy to read and understand.
1.
multiple-if
2. switch
3.
if-else
4.
else-if
212.
If the request of new operator is not
fulfilled due to insufficient memory in the heap ________.
1.
the new operator returns 2
2.
the new operator returns 1
3. the operator returns 0
4.
free operator returns nothing
213.
________ will be used for enclosing function
statements into a block.
1.
" "
2.
()
3.
[]
4. {}
214.
The default mode for writing into a file using
ofstream object is ________.
1. out
2.
bin
3.
app
4.
ate
215.
Whenever some number is added in an array
name, it will jump as many ________ as the added number.
1. rows
2.
value
3.
column
4.
bytes
216.
When the if statement consists more than one
statement then enclosing these statement in curly braces is,
1.
Not required
2.
Good programming
3.
Relevant
4. Must
217.
An address is a ________, while a pointer is a
________.
1.
constant, variable
2. variable, constant
3.
global, variable
4.
non static variable, constant
218.
________ function give the position of the
next character to be read from that file.
1. tellp()
2.
tellg()
3.
seekg()
4.
seekp()
219.
Encapsulation means ________.
1.
that the data of a class cannot be accessed from outside
2. that the data of a class can be
accessed from outside
3.
the data becomes public
4.
that the data can be accessible anywhere within a main program
220.
We should use ________ for clarity and to
force the order of evaluation in an expression.
1.
brackets []
2.
parenthesis ()
3.
curly braces {}
4.
quotation marks " "
221.
________ of a variable means the locations
within a program from where it can be accessed.
1.
Data type
2. Visibility
3.
Value
4.
Reference
222.
Which of the following is the correct syntax
to access the value of first element of an array using pointer ptr?
1.
ptr[0]
2.
*(ptr+1)
3.
ptr[1]
4. *ptr[0]
223.
What will be the value of variable “input” if
the initial value of input is 67?
if(input >= 50)
input = input + 1;
if(input <= 75)
input = input + 2;
else
input = input - 1;
1.
68
2.
69
3. 70
4.
66
224.
Which of the following will be the most
appropriate data type to store the value 63.547?
1.
Integer
2.
Character
3.
Short
4. Float
225.
Consider the following code, the printed value
will be converted into:
int n=10;
cout <<oct<<n;
1. Base 8
2.
Base 2
3.
Base 10
4.
Decimal number system
226.
Overloaded assignment operator must be
1. Member function of class
2.
Non-member function of class
3.
Friend function of class
4.
Global function
227.
If we have a program that writes the output
data(numbers) to the disc, and if we collect the output data and write it on
the disc in one write operation instead of writing the numbers one by one.
In the above situation the area where we will gather the number is called
1.
Heap
2.
Stack
3. Buffer
4.
Cache
228.
Suppose that an integer type pointer contains
a memory address 0x22f230. What will be the new memory address if we increment
this pointer by one?
1.
0x22f231
2. 0x22f234
3.
0x22f226
4.
0x22f238
229.
The destructor is used to ________.
1.
allocate memory
2. deallocate memory
3.
create objects
4.
allocate static memory
230.
To access the data members of structure,
________ is used.
1.
Logical operator
2.
Dereference operator
3. Dot operator
4.
Address operator
231.
The only operator that the compiler overloads
for user define data type by default is
1.
Plus (+) operator
2.
MInus (-) operator
3. Assignment (=) operator
4.
Equal (==) operator
232.
!= operator is used to check whether the
operand on the left-hand-side is __________ to the operand on the
right-hand-side.
1.
Less than or equal
2.
Greater than or equal
3. Not equal
4.
Approximately equal to
1 Comments
Thanks
ReplyDelete