Quiz CS201 (110210)

1Object code is machine code but it is not ___________ and_________Select correct option: relocatable , executable faster , efficient compiled ,debugged tested , compiled

2The first parameter of operator function for << operator_______________.Select correct option: Must be passed by value Must be passed by reference Can be passed by value or reference Must be object of classmalloc function returns__________to the _________________ from the available memory.

3Select correct option: NULL pointer, end of the chunk of memory allocated from the stack void pointer , starting of the chunk of memory allocated from the heap integer pointer, middle of the chunk of memory allocated from the heap void pointer, starting of the chunk of memory allocated from the array

4When an operator function is define as member function for a Unary operator then the number of argument it take is/are,Select correct option: Zero One Two N arguments

5Overloaded assignment operator must beSelect correct option: Member function of class Non-member function of class Friend function of class Global function

6Functions declared with the_______________ specifier in a class member list are called friend functions of that class.Select correct option: protected private public friend

7The friend function of a class can have access_______________.Select correct option: to the public data members only to the private data members

to the protected data members to the main program

8Once we have defined a symbolic constant value using #define, that value _________during program executionSelect correct option: can be changed cannot be changed varies becomes zero

9When a variable is defined as static in a class then___________.Select correct option: Separate copy of this variable is created for each object Only one copy is created for all objects of this class A copy of this variable is created for only static objects. None of the given options

10Stream operators are heavily overloaded means , they allow to handle int and character data type only.Select correct option: True False

Question # 1 of 10 ( Start time: 01:43:10 PM ) Total Marks: 1 In order to get the right most digit of a number, we divide this number by 10 and take its Select correct option: Remainder Quotient Divisor None of the given options Question # 2 of 10 ( Start time: 01:43:39 PM ) Total Marks: 1 C++ provides member functions, which control the formatting to be performed during stream I/O operations. Select correct option: True False Question # 3 of 10 ( Start time: 01:43:59 PM ) Total Marks: 1 *this is a pointer that always points to Select correct option:

Current function of the class Current pointer of the class Current object of the class A Value of data member Question # 4 of 10 ( Start time: 01:44:23 PM ) Total Marks: 1 The concept of friend function negates the concept of _________________. Select correct option: inheritance polymorphism persistence encapsulation Question # 5 of 10 ( Start time: 01:44:43 PM ) Total Marks: 1 According to c++ norms; the first character of a variable name must be an alphabet or Select correct option: Underscore Special character Digit None of the given options Question # 6 of 10 ( Start time: 01:44:59 PM ) Total Marks: 1 If we do not write our own assignment operator then which of the following problem may occur? Select correct option: Memory leak Dangling pointer NULL pointer Unreferenced memory Question # 7 of 10 ( Start time: 01:45:22 PM ) Total Marks: 1 ____________will return the number of bytes reserved for a variable or data type. Select correct option: sizeof operator free operator void pointer new operator Question # 8 of 10 ( Start time: 01:45:37 PM ) Total Marks: 1

_______________are conventional names of the command line parameters of the ‘main()’ function. Select correct option: ‘argb’ and ‘argv’ ‘argc’ and ‘argv’ ‘argc’ and ‘argu’ None of the given Question # 9 of 10 ( Start time: 01:45:52 PM ) Total Marks: 1 The _______________ data type always represents an empty set of values in C++ Select correct option: nil void zero null Question # 10 of 10 ( Start time: 01:46:04 PM ) Total Marks: 1 If an array has 50 elements, what is allowable range of subscripts? Select correct option: 0 – 49 1 – 49 0 – 50 1 – 50

BC090200600 : Sami Ul Haq

Quiz Start Time: 08:02 PM

Time Left 72 sec(s)

Question # 2 of 10 ( Start time: 08:03:48 PM ) Total Marks: 1

free function is available in _______________ header file.

Select correct option:

conio.h

iostream.h

string.h

stdlib.h



Time Left 44 sec(s)


Overloaded new operator function takes parameter of type size_t and returns


void (nothing)

void pointer

object pointer

int pointer



Time Left 45 sec(s)


When an operator function is define as member function for a Unary operator then the number of argument it take is/are,


Zero

One

Two

N arguments



Time Left 55 sec(s)


The template functions do NOT promote the code reuse


True

False



Time Left 46 sec(s)


What will be the output of the following while loop? int counter = 0 ; while(counter < 15) cout << counter << “ ”; counter++;


1 2 3 4

1 2 3 4 5

Compile time error

Infinite loop



Time Left 80 sec(s)


A template function must have


Only one argument

Zero arguments

One or more than one arguments

None of the given options



Time Left 82 sec(s)


Copy constructor becomes necessary while dealing with _______allocation in the class.


Dynamic memory

Static memory

Both Dynamic and Static memory


MC080202141 : MUNEER HUSSAIN


Time Left

83 sec(s

)

Question # 1 of 10 ( Start time: 08:31:10 PM )

Total Marks: 1

Unix operating system was written in ________ language


C++

Java

FORTRAN

C



Time Left

38 sec(s

)


Total Marks: 1

What is the sequence of event(s) when deallocating memory of an object using delete operator?


Only block of memory is deallocated for object

Only destructor is called for object

Memory is deallocated first before calling destructor

Destructor is called first before deallocating memory



Time Left

29 sec(s

)


Total Marks: 1

Which of the following is true about streams? A. It is a sequence of bytes B. It is an ordered sequence C. All bytes can go through the stream simultaneously D. Bytes that enters first into the stream will go out at last


A only

C only

A and B

A and D



Time Left

28 sec(s

)


Total Marks: 1

A class is a user defined data type it takes __________________________.


4 bytes in memory

2 bytes in memory

no space in memory unless we create an object from it.

No space in memory unless we create constructors



Time Left

69 sec(s

)


Total Marks: 1

Once the _______________ are created, they exist for the life time of the program


local variables

non static variables

static variables

automatic variables



Time Left

62 sec(s

)


Total Marks: 1

Macros are categorized into _________ type(s).


one

four

two

none of the given options



Time Left

74 sec(s

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Total Marks: 1

With the use of dynamic allocation of memory, the system resources can be ________________.


wasted

used efficiently

used carelessly

all of the above



Time Left

46 sec(s

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Total Marks: 1

A friend function of a class is a function defined ________________________.


inside that class and that has no access to the members of the class

outside that class and that has the right to access public members of the class only

outside that class and that has the right to access all members of the class.

outside that class and that has the right to access all members of the class.



Time Left

78 sec(s

)


Total Marks: 1

The ____________ is called automatically when an object destroys


destructor

constructor

main program

default constructor

MC080202140 : WAQAR NAEEM


Time Left

80 sec(s

)


Total Marks: 1

The ws manipulator can be used with ______ stream(s).


Output

Input

Input/Output




Time Left

83 sec(s

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Total Marks: 1

Class is a user defined___________.


data type

memory reference

value

none of the given options.



Time Left

74 sec(s

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Total Marks: 1

We use _________ to open a file or stream for insertion.


in

out

app

ate


Time Left

45 sec(s

)



Total Marks: 1

If B is designated as friend of A, B can access A’s non-public members


B cannot access private member of A

B cannot access protected member of A

A can access non-public members of B

A cannot access B



Time Left

75 sec(s

)


Total Marks: 1

The second parameter of operator function for >> operator must always be passed


By reference

Function takes no argument

By value




Time Left

70 sec(s

)


Total Marks: 1

If we do not indent the code properly it will __________________


Be a syntax error

Be a logical error

Not be an error at all




Time Left

58 sec(s

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Total Marks: 1

In the member initializer list, the data members are initialized,


From left to right

From right to left

In the order in which they are defined within class




Time Left

72 sec(s

)


Total Marks: 1

Constructor is itself a __________ of C++ and ___________.


class , can be overloaded

function , cannot be overloaded

function, can be overloaded

object, can not be initialized



Time Left

16 sec(s

)


Total Marks: 1

What will be the output of following statement? cout << setfill(‘0’) << setw(7) << 128 ;


0128128?

0000128?

1280000

0012800

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Quiz CS201 (110210)