Cs 201 Latest Solved Mcq S 3m272d

CS201 Latest Solved MCQs http://vustudents.ning.com

http://vustudents.ning.com Quiz Start Time: 09:34 PM sec(s)

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Question # 1 of 10 ( Start time: 09:34:54 PM ) Total Marks: 1 While developing a program; should we think about the interface? //handouts main reusability hay..us ki yahan option hi nahi hay Select correct option:

Yes No

Quiz Start Time: 09:34 PM sec(s)

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75

Question # 2 of 10 ( Start time: 09:35:20 PM ) Total Marks: 1 A character is stored in the memory in _________ Select correct option:

byte integer string None of the given

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CS201 Latest Solved MCQs http://vustudents.ning.com Quiz Start Time: 09:34 PM Question # 3 of 10 ( Start time: 09:36:21 PM ) Total Marks: 1 These functions seekg() and seekp() requires an argument of type ____________to let them how many bytes to move forward or backward. Select correct option:

int short long double


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Question # 4 of 10 ( Start time: 09:37:30 PM ) dereferencing operator is represented by _______ Select correct option:

Total Marks: 1

* + – None of the given


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CS201 Latest Solved MCQs http://vustudents.ning.com Quiz Start Time: 09:34 PM sec(s)

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Question # 5 of 10 ( Start time: 09:38:55 PM ) Total Marks: 1 ______________ transfers the executable code from main memory to hard disk. Select correct option:

Loader Debugger Compiler Linker


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Question # 6 of 10 ( Start time: 09:40:21 PM ) Total Marks: 1 When the logical operator OR (||) combine two expressions exp1 and exp2 then the result will be false only, //bitwise “or” applies here…. Select correct option:

When both exp1 and exp2 are true When both exp1 and exp2 are false When exp1 is true and exp2 is false When exp1 is false and exp2 is true


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Question # 7 of 10 ( Start time: 09:41:43 PM ) Total Marks: 1 suppose we have int y[10]; To access the 4th element of the array we write_________ Select correct option:

y[4]; y[3]; y[2]; none of given


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Question # 8 of 10 ( Start time: 09:43:10 PM ) Total Marks: 1 we have opened a file stream myfile for reading (getting), myfile.tellg () gives us the current get position of the file pointer. It returns a whole number of type___________ Select correct option:

long int short double


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Question # 9 of 10 ( Start time: 09:44:42 PM ) ofstream is used for________ Select correct option:

Total Marks: 1

Input file stream Output file stream Input and output file stream All of the given

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Question # 10 of 10 ( Start time: 09:46:11 PM ) Total Marks: 1 A structure is a collection of _____________under a single name. Select correct option:

values variables data None of the given


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CS201 Latest Solved MCQs http://vustudents.ning.com Question No: 1 ( Marks: 1 ) - Please choose one In C/C++ the string constant is enclosed ……………. corrected r red one ► In curly braces ► In small braces ► In single quotes ► In double quotes Question No: 2 ( Marks: 1 ) The size of int data type is ► 1 bytes ► 2 bytes ► 3 bytes ► 4 bytes

- Please choose one

Question No: 3 ( Marks: 1 ) - Please choose one In Flow chart process is represented by ► Rectangle ► Arrow symbol ► Oval ► Circle Question No: 4 ( Marks: 1 ) - Please choose one If the break statement is missed in switch statement then,// a break statement with no label always completes abruptly, the reason being a break with no label. If no switch, while, do, or for statement in the immediately enclosing method, constructor or initializer encloses the break statement, a compile-time error occurs. ► The compiler will give error ► This may cause a logical error ► No effect on program ► Program stops its execution Question No: 5 ( Marks: 1 ) - Please choose one When we are using const keyword with a variable x then initializing it at the time of declaration is, ► Must ► Optional ► Not necessary ► A syntax error


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CS201 Latest Solved MCQs http://vustudents.ning.com Question No: 6 ( Marks: 1 ) - Please choose one Which of the following is the correct way to assign an integer value 5 to element of a matrix say ‘m’ at second row and third column?

► m[2][3] = 5 ; ► m[3][2] = 5 ; ► m[1][2] = 5 ; ► m[2][3] = ‘5’; Question No: 7 ( Marks: 1 ) - Please choose one How many total elements must be in two-dimensional array of 3 rows and 2 columns? ►4 ►5 ►6 ►7

Question No: 8 ( Marks: 1 ) - Please choose one Which of the following is the correct statement for the following declaration? const int *ptr. ►ptr is a constant pointer ►ptr is constant integer pointer ►ptr is a constant pointer to int ►ptr is a pointer to const int Question No: 9 ( Marks: 1 ) - Please choose one Consider the following code segment. What will be the output of this code segment?As arrays starts from 0 index………at 1st position is 3………n at position 4th is 5… ……5-3=2 int arr[6] = {2, 3, 7, 4, 5, 6} ; int *ptr1 =&arr[1] ; int *ptr2 = &arr[4] ; cout << (ptr2-ptr1) ; ►3


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CS201 Latest Solved MCQs http://vustudents.ning.com ►9 ► 12 ►2

Question No: 10 ( Marks: 1 ) - Please choose one What will be the correct syntax to assign an array named arr of 5 elements to a pointer ptr? ►*ptr = arr ; ►ptr = arr ; ►*ptr = arr[5] ; ►ptr = arr[5] ;

Question No: 11 ( Marks: 1 ) - Please choose one C is a/an ______ language ►low level ►object based ►object oriented ►function oriented Question No: 13 ( Marks: 1 ) - Please choose one The variables having a name, type and size are just like empty boxes. ►False ►True Question No: 14 ( Marks: 1 ) - Please choose one What's wrong with this for loop? for (int k = 2, k <=12, k++) ► the increment should always be ++k ► the variable must always be the letter i when using a for loop ► there should be a semicolon at the end of the statement ► the commas should be semicolons Question No: 15 ( Marks: 1 ) - Please choose one Most efficient method of dealing with structure variables is to define the structure globally ►True  ►False


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CS201 Latest Solved MCQs http://vustudents.ning.com Question No: 16 ( Marks: 1 ) - Please choose one Syntax of union is identical to ______ ►Structure ►Class ►Function ►None of the given options FINALTERM EXAMINATION Fall 2008 CS201- Introduction to Programming Time: 120 min Marks: 75 Question No: 1

( Marks: 1 ) - Please choose one

There are mainly -------------------- types of software.// ► Two ► Three ► Four ► Five Question No: 2


seekg() and write() are functionally _________________ .// Write() Writes a specified number of bytes from a memory location to the file. seekg() Moves the file position indicator to a specific location in the file. The Position property of TFileStream simplifies seeking in a file and performs the same function as the ifstream methods tellg() and seekg(). You can read Position to determine the current file position, or you can write to Position to move the file position. ► Different ► Identical ► Two names of same function ► None of the above Question No: 3 ( Marks: 1 ) - Please choose one When a pointer is incremented, it actually jumps the number of memory addresses ► According to data type ► 1 byte exactly ► 1 bit exactly ► A pointer variable can not be incremented


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CS201 Latest Solved MCQs http://vustudents.ning.com Question No: 4


setw is a parameterized manipulator. ► True ► False Question No: 5


eof( ), bad( ), good( ), clear( ) all are manipulators. ► True ► False Question No: 6


In functions that return reference, use __________variables. ► Local ► Global ► Global or static ► None of the given option Question No: 7


The declarator of Plus (+) member operator function is //not confirmed ► Class-Name operator + (Class-Name rhs) ► operator Class-Name + ( ) ► operator Class-Name + ( rhs) ► Class-Name operator + ( ) Question No: 8


The compiler does not provide a copy constructor if we do not provide it………. //Normally it provides but in some cases of classes it is good practice to provide define copy constructor… ► True ► False Question No: 9



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CS201 Latest Solved MCQs http://vustudents.ning.com What is the functionality of the following syntax to delete an array of 5 objects named arr allocated using new operator? delete arr ; ► Deletes all the objects of array ► Deletes one object of array ► Do not delete any object ► Results into syntax error Question No: 10


What is the sequence of event(s) when allocating memory using new operator? ► Only block of memory is allocated for objects ► Only constructor is called for objects ► Memory is allocated first before calling constructor ► Constructor is called first before allocating memory Question No: 11 ( Marks: 1 ) - Please choose one What is the sequence of event(s) when deallocating memory using delete operator? ► Only block of memory is deallocated for objects ► Only destructor is called for objects ► Memory is deallocated first before calling destructor ► Destructor is called first before deallocating memory Question No: 12


new and delete operators cannot be overloaded as member functions. ► True ► False

Question No: 13


The operator function of << and >> operators are always the member function of a class. ► True ► False Question No: 14



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CS201 Latest Solved MCQs http://vustudents.ning.com A template function must have at least ---------- generic data type ► Zero ► One ► Two ► Three Question No: 15 ( Marks: 1 ) - Please choose one If we do not mention any return_value_type with a function, it will return an _____ value. ► int ► void ► double ► float Question No: 16


Suppose a program contains an array declared as int arr[100]; what will be the size of array? ►0 ► 99 ► 100 ► 101 Question No: 17 ( Marks: 1 ) - Please choose one The name of an array represents address of first location of array element. ► True ► False Question No: 18 ( Marks: 1 ) - Please choose one Reusing the variables in program helps to save the memory ► True ► False Question No: 19 ( Marks: 1 ) - Please choose one Which of the following option is true about new operator to dynamically allocate memory to an object? // new is an operator that allows dynamic memory allocation on the heap. Except for a form called the "placement new", new attempts to allocate enough memory on the heap for the new data and, if successful, returns the address to the newly allocated memory. However if new can not allocate memory on the heap it will throw an exception of type std::bad_alloc. This removes the need to explicitly check the result of an allocation.


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CS201 Latest Solved MCQs http://vustudents.ning.com ► The new operator determines the size of an object ► Allocates memory to object and returns pointer of valid type ► Creates an object and calls the constructor to initialize the object ► All of the given options Question No: 20 ( Marks: 1 ) - Please choose one new and delete are _____ whereas malloc and free are _____. ► Functions, operators ► Classes, operators ► Operators, functions ► Operators, classes Question No: 21


Like member functions, ______ can also access the private data of a class. ► Non-member functions ► Friend functions ► Any function outside class ► None of the given options Question No: 22


Which of the following statement is best regarding declaration of friend function? ► Friend function must be declared after public keyword. ► Friend function must be declared after private keyword. ► Friend function must be declared at the top within class definition. ► It can be declared anywhere in class as these are not affected by the public and private keywords. Question No: 23 ( Marks: 1 ) - Please choose one The operator function overloaded for an Assignment operator (=) must be ► Non-member function of class ► Member function of class ► Friend function of class ► None of the given options Question No: 24 ( Marks: 1 ) - Please choose one For non-member operator function, object on left side of the operator may be ► Object of operator class ► Object of different class ► Built-in data type ► All of the given options


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CS201 Latest Solved MCQs http://vustudents.ning.com Question No: 25 ( Marks: 1 ) - Please choose one The operator function will be implemented as _____, if obj1 drive the - operator whereas obj2 is ed as arguments to - operator in the statement given below. obj3 = obj1 - obj2; ► Member function ► Non-member function ► Friend function ► None of the given options Question No: 26 ( Marks: 1 ) - Please choose one Which one of the following is the declaration of overloaded pre-increment operator implemented as member function? ► Class-name operator +() ; ► Class-name operator +(int) ; ► Class-name operator ++() ; ► Class-name operator ++(int) ; Question No: 27


The static data of a class are initialized _______ ► at file scope ► within class definition ► within member function ► within main function Question No: 28


Class is a defined___________. ► data type ► memory referee ► value ► none of the given options. Question No: 29 ( Marks: 1 ) - Please choose one We can also define a -defines manipulators. ► True ► False


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CS201 Latest Solved MCQs http://vustudents.ning.com Question No: 30 ( Marks: 1 ) - Please choose one Automatic variable are created on ________. ► Heap ► Free store ► static storage ► stack Current

Question No: 1


Compiler is a ► System software ► Application Software ► Driver ► Editor Question No: 2


Operating System is ► An application software ► System Software ► Computer Language ► Interpreter Question No: 3


Which one is the correct syntax for defining an identifier PI with preprocessor directive? ► #define PI 3.1415926; ► #define PI 3.1415926 ► #define PI = 3.1415926 ; ► #define PI = 3.1415926 Question No: 4


Character strings are arrays of characters that can store ► Only one character ► Limited number of characters ► Number of characters specified. ► None of the given option


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CS201 Latest Solved MCQs http://vustudents.ning.com Question No: 5 ( Marks: 1 ) - Please choose one Which of the following is NOT a preprocessor directive? ► #error ► #define ► #line ► #ndefine Question No: 6


Which kind of functions can access private member variables of a class? ► Friend functions of the class ► Private member functions of the class ► Public member functions of the class ► Friend, private and public functions Question No: 7 ( Marks: 1 ) - Please choose one int a, b, c, d, e;, a = b = c = d = e = 42; This can be interpreted by the complier as:// assignment is right-associative. Let suppose

► a = (b = (c = (d = (e = 42)))); ► (a = b = (c = (d = (e = 42)))); ► a = b = (c = (d = (e = 42))); ► (a = b) = (c = d) = (e = 42); Question No: 8


Friend function of a class is ______________ . http://vustudents.ning.com ► Member function ► Non-member function ► Private function ► Public function Question No: 9


Function implementation of friend function must be defined outside the class. ► True ► False


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CS201 Latest Solved MCQs http://vustudents.ning.com Question No: 10 ( Marks: 1 ) - Please choose one When we define an array of objects then, ► Constructor will be called once for whole array ► Constructor will be called for each object of the array ► Constructor will never call ► Depends on the size of array Question No: 11


The stream objects cin and cout are included in which header file? ► iostream.h ► fstream.h ► istream.h ► ostream.h Question No: 12


What is the sequence of event(s) when allocating memory using new operator? ► Only block of memory is allocated for objects ► Only constructor is called for objects ► Memory is allocated first before calling constructor ► Constructor is called first before allocating memory Question No: 13 ( Marks: 1 ) - Please choose one Missing semicolon ‘;’ at the end of C++ statement is ► Logical error ► Syntax error ► Runtime error ► None of the given options Question No: 14


An array stores the numbers into consecutive memory locations. ► True ► False


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The template functions do NOT promote the code reuse ► True ► False Question No: 16


What will be the correct syntax for initialization of pointer ptr of type int with variable x? ► int ptr = &x ; ► int ptr = x ; ► int *ptr = &x ; ► int ptr* = &x ; Question No: 17


Which of the following function calling mechanism is true for the function prototype given below? float func(float &); ► Call by value ► Call by reference using pointer ► Call by reference using reference variable ► None of the given options Question No: 18


If overloaded plus operator is implemented as non-member function then which of the following statement will be true for the statement given below? obj3 = obj1 + obj2 ; ► obj2 will be ed as an argument to + operator whereas obj2 will drive the + operator ► obj1 will drive the + operator whereas obj2 will be ed as an argument to + operator ► Both objects (obj1, obj2) will be ed as arguments to the + operator ► Any of the objects (obj1, obj2) can drive the + operator


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CS201 Latest Solved MCQs http://vustudents.ning.com Question No: 19 ( Marks: 1 ) - Please choose one Which of the following object(s) will call the member operator function within the statement given below? obj1=obj2+obj3; ► Object obj1 ► Object obj2 ► Object obj3 ► Any of the object Question No: 20


For cin, the source is normally a ________ and destination can be ______. ► File, native data type ► Disk, -define type ► Keyboard, variable ► File, -define type Question No: 21


The static data of a class will be ________ ► shared by objects ► created for each object ► initialized within class ► initialized within main function Question No: 22


Which of the following function cannot be overloaded? ► Member functions ► Utility functions ► Constructor ► Destructor Question No: 23


The region of memory, available for allocation at run time in C language is called ________ memory whereas in C++ language is called as ________________. ► Heap, Stack ► Stack, Free Store ► Heap, Free Store ► None of above


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A variable which is defined inside a function is called ► Automatic variable ► Global variable ► Functional variable ► None of the given option Question No: 25


The default copy constructor provides member wise assignment. ► True ► False Question No: 26


The code is written to __________ the program. ► implement ► design ► analysis ► none of the given options. Question No: 27


When a call to a -defined function finishes, the variable defined inside the function is still in existence. ► True ► False Question No: 28


To avoid dangling reference, always return the reference of a local variable from a function. ► True ► False Question No: 29


Analysis is the -------------- step in deg a program. ► Last ► Middle ► Post Design


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CS201 Latest Solved MCQs http://vustudents.ning.com ► First Question No: 30


"delete" operator is used to return memory to free store, which is allocated by the "new" operator. ► True ► False Question No: 1


In C/C++ if we define an array of size eight (8) i.e. int Arr [8]; then the last element of this array will be stored at, ► Arr[0] ► Arr[8] ► Arr[7] ► Arr[-1] Question No: 2


When an array is ed to a function then default way of ing this array is, ► By data ► By reference ► By value ► By data type Question No: 3


Array is a data structure which store ► Memory addresses ► Variables ► Data Type ► Data Question No: 4


We can also create an array of define data type. ► True ► False


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When we define an array of objects then, ► Destructor will call once for whole array ► Destructor will call for each object of the array ► Destructor will never call ► Depends on the size of array Question No: 6


What is the sequence of event(s) when allocating memory using new operator? ► Only block of memory is allocated for objects ► Only constructor is called for objects ► Memory is allocated first before calling constructor ► Constructor is called first before allocating memory Question No: 7


We can delete an array of objects without specifying [] brackets if a class is not doing dynamic memory allocation internally. ► True ► False Question No: 8


The second parameter of operator functions for << and >> are objects of the class for which we are overloading these operators. ► True ► False Question No: 9


Which of the following is correct way to initialize a variable x of int type with value 10? ► int x ; x = 10 ; ► int x = 10 ; ► int x, x = 10; ► x = 10 ;


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Default mechanism of function calling in case of array is _____ and in case of variable is ___. http://vustudents.ning.com ► Call by value, call by reference ► Call by referene, call by reference ► Call by reference, call by value ► Call by value, call by value Question No: 11


What does STL stand for? ► Source template library ► Standard template library ► Stream template library ► Standard temporary library Question No: 12


Skill(s) that is/are needed by programmers _______________________. ► Paying attention to detail ► Think about the reusability ► Think er interface ► All of the given options Question No: 13


For which array, the size of the array should be one more than the number of elements in an array? ► int ► double ► float ► char


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new and delete are _____ whereas malloc and free are _____. ► Functions, operators ► Classes, operators ► Operators, functions ► Operators, classes Question No: 15


Friend functions are _____ of a class. ► Member functions ► Public member functions ► Private member functions ► Non-member functions Question No: 16


The prototype of friend functions must be written ____ the class and its definition must be written ____ ► inside, inside the class ► inside, outside the class ► outside, inside the class ► outside, outside the class Question No: 17


If overloaded plus operator is implemented as non-member function then which of the following statement will be true for the statement given below? obj3 = obj1 + obj2 ; ► obj2 will be ed as an argument to + operator whereas obj2 will drive the + operator ► obj1 will drive the + operator whereas obj2 will be ed as an argument to + operator ► Both objects (obj1, obj2) will be ed as arguments to the + operator ► Any of the objects (obj1, obj2) can drive the + operator


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Which one of the following is the declaration of overloaded pre-increment operator implemented as member function? ► Class-name operator +() ; ► Class-name operator +(int) ; ► Class-name operator ++() ; ► Class-name operator ++(int) ; Question No: 19


For cin, the source is normally a ________ and destination can be ______. ► File, native data type ► Disk, -define type ► Keyboard, variable ► File, -define type Question No: 20


We can also do conditional compilation with preprocessor directives. ► True ► False Question No: 21


The programs, in which we allocate static memory, run essentially on ________ ► Heap ► System Cache ► None of the given options ► Stack Question No: 22


The default value of a parameter can be provided inside the ________________ ► function prototype ► function definition ► both function prototype or function definition ► none of the given options.


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While calling function, the arguments are assigned to the parameters from _____________.

► left to right. ► right to left ► no specific order is followed ► none of the given options. Question No: 24


When an operator function is defined as member function for a binary Plus (+) operator then the number of argument it take is/are. ► Zero ► One ► Two ► N arguments Question No: 25


With -defined data type variables (Objects), self assignment can produce __________. ► Syntax error ► Logical error ► Link error ► Non of the given options Question No: 26


Assignment operator is used to initialize a newly declared object from existing object. ► True ► False Question No: 27


When an object of a class is defined inside an other class then, ► Constructor of enclosing class will be called first ► Constructor of inner object will be called first ► Constructor and Destructor will be called simultaneously ► None of the given options


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In the member initializer list, the data are initialized, ► From left to right ► From right to left ► In the order in which they are defined within class ► None of the given options Question No: 29


new operator allocates memory from free store and return _____________. ► A pointer ► A reference ► An integer ► A float Question No: 30


"new" and "delete" keywords are _____________ in C++ language. ► Built-in- Function ► Operators ► Memory Allocation Function ► None of the given options


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