Computer Software Exam

The storage capacity of a floppy disk is measured in

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KB
MB
GB
TB

If there is more than one statement in the block of a for loop, which of the following must be placed at the beginning and the ending of the loop block?

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Parentheses ( )
Braces { }
Brackets [ ].
Arrows < >

Which of the following port is better suitable to support high speed graphics and other video input?

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VGA Port
SVGA Port
AGP Port
PS/2 Port

*ptr++ is equivalenet to:

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ptr++
*ptr
++*ptr
None of the above

Which of the following is not a component of file system

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Access method
Auxiliary storage management
Free integrity mechanism
None of the above

If the class name is X, what is the type of its “this” pointer (in a nonstatic, non-const member function)?

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const X* const
X* const
X*
X&

Which one of the following is not a valid reserved keyword in C++

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Explicit
Public
Implicit
Private

A continue statement causes execution to skip to

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The return 0; statement
The first statement after the loop
The statement following the continue statement
The next iteration of the loop

Which of the following members do get inherited but become private members in child class

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Public
Private
Protected
All the above

STL is based on which of the following programming paradigms?

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Structured Programming
Object Oriented Programming (OOP)
Functional Programming
Aspect Oriented Programming (AOP)

Under which of the following circumstances, synchronization takes place?

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When the file is closed
When the buffer is empty
Explicitly, with manipulators
Both a and c

Statement scanf(“%d”,80);

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Assign an integer to variable i
Give an error message
Print the value of i
Assign an float to variable i

Which of the following is not a magnetic storage medium?

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Floppy Disk
Hard Disk
Digital Versatile Disks
Cassettes and Cartridges

What defines a general set of operations that will be applied to various types of data?

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Template class
Function template
Class template
Both a and c above

If a member needs to have unique value for all the objects of that same class, declare the member as

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Global variable outside class
Local variable inside constructor
Static variable inside class
Dynamic variable inside class

What is shallow copy?

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A shallow copy creates a copy of the dynamically allocated objects too.
A shallow copy just copies the values of the data as they are.
A shallow copy creates a copy of the statically allocated objects too
Both b and c above

The output of this program is int main () { cout << "Hello World!" return 0; }

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Hello World
Syntax error
0
Hello World!

How many copies of a class static member are shared between objects of the class?

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A copy of the static member is shared by all objects of a class
A copy is created only when at least one object is created from that class
A copy of the static member is created for each instntiation of the class
No memory is allocated for static members of a class

Inline functions are invoked at the time of

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Run time
Compile time
Depends on how it is invoked
Both b and c above

Which of the following is not a standard exception built in C++.

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Std::bad_creat
Std::bad_alloc
Std::bad_cast
Std::bad_typeid

What is the implicit pointer that is passed as the first argument for nonstatic member functions?

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‘Self’ pointer
Std::auto_ptr pointer
‘Myself’ pointer
‘This’ pointer

If class A is friend of class B and if class B is friend of class C, which of the following is true?

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Class C is friend of class A
Class A is friend of class C
Class A and Class C do not have any friend relationship
None of the above

IBM introduced the first 8” floppy disk in 1971 which could store

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100 KB
164 KB
512 KB
1.44 MB

What is the Difference between struct and class in terms of Access Modifier?

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By default all the struct members are private while by default class members are public.
By default all the struct members are protected while by default class members are private.
By default all the struct members are public while by default class members are private.
By default all the struct members are public while by default class members are protected.

Which of the following functions below can be used Allocate space for array in memory?

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Calloc()
Malloc()
Realloc()
Both a and b

Which of the following is not true about preprocessor directives

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They begin with a hash symbol
They are processed by a preprocessor
They form an integral part of the code
They have to end with a semi colon

There is nothing like a virtual constructor of a class.

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1

Originally ‘C’ was developed as:

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System programming language
General purpose language
Data processing language
None of the above

When is std::bad_alloc exception thrown?

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When new operator cannot allocate memory
When alloc function fails
When type requested for new operation is considered bad, thisexception is thrown
When delete operator cannot delete the allocated (corrupted) object

Which of the following is the most preferred way of throwing and handling exceptions?

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Throw by value and catch by reference.
Throw by reference and catch by reference.
Throw by value and catch by value
Throw the pointer value and provide catch for the pointer type.

Which of the following relationship is known as inheritancerelationship?

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‘Has-a’ relationship
‘Is-a’ relationship
Association relationship
None of the above

Minimum number of temporary variable needed to swap the contents of 2 variables is:

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1
2
3
0

Which of the following is not a file operation:

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Repositioning
Truncating
Appending
None of the above

What is deep copy?

1 Mark(s)

A deep copy creates a copy of the dynamically allocated objects too.
A deep copy just copies the values of the data as they are.
A deep copy creates a copy of the statically allocated objects too
Both b and c above

Which looping process checks the test condition at the end of the loop?

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For
While
Do-while
No looping process checks the test condition at the end

What does STL stand for?

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Simple Template Library
Standard Template Library
Static Type Library
Single Type-based Library

In a group of nested loops, which loop is executed the most number of times?

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The outermost loop
The innermost loop
All loops are executed the same number of times
Cannot be determined without knowing the size of the loops

The two types of file structure existing in VSAM file are

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Key sequenced structure, entry sequenced structure
Key sequence structure, exit sequenced structure
Entry sequence structure, exit sequenced structure
None of the above

Which of the following is a valid destructor of the class name “Country”

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Int ~Country()
Void Country()
Int ~Country(Country obj)
Void ~Country()

What’s wrong? while( (i < 10) && (i > 24))

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The logical operator && cannot be used in a test condition
The while loop is an exit-condition loop
The test condition is always false
The test condition is always true

Computer Software Exam : Question 1 of 40