Computer Software Exam

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 one of the following is not a fundamental data type in C++

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Float
String
Int
Wchar_t

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.

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 correctly describes C++ language?

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Statically typed language
Dynamically typed language
Both Statically and dynamically typed language
Type-less language

Which of the following correctly describes the meaning of‘namespace’ feature in C++?

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Namespaces refer to the memory space allocated for names used in a program
Namespaces refer to space between the names in a program
Namespaces refer to packing structure of classes in a program.
Namespaces provide facilities for organizing the names in aprogram to avoid name clashes

Each pass through a loop is called a/an

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Enumeration
Iteration
Culmination
Pass through

Which looping process is best used when the number of iterations is known?

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For
While
Do-while
All looping processes require that the iterations be known

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

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Hello World
Syntax error
0
Hello World!

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

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

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Explicit
Public
Implicit
Private

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.

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

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

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

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

Which of the following keyword supports dynamic method resolution?

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Abstract
Virtual
Dynamic
Typeid

Which of the following operators can be overloaded?

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. (Dot or member access operator)
& (Address-of operator)
Sizeof operator
?: (Conditional operator)

In mulit-list organization

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Records that have equivalent value for a given secondary index item are linked together to form a list.
Records are loaded in ordered sequence defined by collating sequence by content of the key
Records are directly accessed by record key field
None of the above

What’s wrong? (x = 4 && y = 5) ? (a = 5) ; (b = 6);

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The question mark should be an equal sign
The first semicolon should be a colon
There are too many variables in the statement
The conditional operator is only used with apstrings

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

Value of a in a = (b = 5, b + 5); is

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Junk value
Syntax error
5
10

The output of this program is int a = 10;void main(){int a = 20;cout << a << ::a;}

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Syntax error
10 20
20 10
20 20

A direct access file is:

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A file in which recoreds are arranged in a way they are inserted in a file
A file in which records are arranged in a particular order
Files which are stored on a direct access storage medium
None of the above

Which of the following below is /are a valid iterator type?

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Input Iterator
Backward Iterator
Forward Iterator
Both a and c above

Which of the following is/are advantages of cellular partitioned structure:

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Simultaneous read operations can be overlapped
Search time is reduced
Both a & b
None of the above

Which of the following ROM is most convenient to rewrite?

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EPROM
EEPROM
EAPROM
DRAM

What is the suitable output device for CAE, CAD and CAM?

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Dot Matrix Printers
Laser Printers
Plotters
Projectors

The temporary output of a computer system is called

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Hardcopy output
Softcopy output
Computer Printout
None of above

Which of the following port is used to connect DB-25 pin modems or scanners?

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Serial Ports
Parallel Port
PS/2 Port
USB Port

Which of the following operator cannot be overloaded?

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#NAME?
== (equality operator)
–> (row operator)
:: (cope resolution operator)

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 of the following is true about const member functions?

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Const members can be invoked on both const as well as nonconst objects
Const members can be invoked only on const objects and not on nonconst objects
Nonconst members can be invoked on const objects as well as nonconst objects
None of the above

Which of the following term do not refer to an expansion card?

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Controller Cards
Adapters
Daughterboard
Motherboard

Which of the following printer produces most noise?

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Dot Matrix Printer
Inkjet Printer
Laser Printer
None of 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

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)

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

A disk is divided into several concentric circles called

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Track
Sector
Cylinder
Cluster

Computer Software Exam : Question 1 of 40