Computer Software Exam

What is the difference between overloaded functions and overridden functions?

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Overloading is a dynamic or run-time binding and Overriding is static or compile-time binding
Redefining a function in a friend class is called function overriding while Redefining a function in a derived class is called an overloaded function.
Overloading is a static or compile-time binding and Overriding is dynamic or run-time binding
Redefining a function in a friend class is called function overloading while Redefining a function in a derived class is called as overridden function.

What is deep copy?

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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 device in microprocessor stores the data to be processed?

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ROM
RAM
Registers
ALU

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

The storage capacity of a floppy disk is measured in

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KB
MB
GB
TB

C++ provides facility to specify that the compiler should match function calls with the correct definition at the run time. This process is called as

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Static binding
Dynamic Binding

*ptr++ is equivalenet to:

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

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

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Junk value
Syntax error
5
10

Seek time is

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Time taken to retrieve a dta
Time taken by read/write head mechanism to position itself over appropriate cylinder
Time taken by appropriate sector to come under read/write
None of the above

Which of the following is the most common way of implementing C++?

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C++ programs are directly compiled into native code by a compiler
C++ programs are first compiled to intermediate code by a compiler and then executed by a virtual machine
C++ programs are interpreted by an interpreter
C++ editor directly compiles and executes the program

Latency time is:

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Time taken by read/write head mechanism to position itself over appropriate cylinder
Time taken to transfer a dta from memory
Time taken by appropriate sector to come under read/write head
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

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 does STL stand for?

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

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

The time taken to move an access arm to a certain track on a disk is

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Seek Time
Head Switching Time
Search Time
Data Transfer time

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

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&

A standard CD ROM can hold data up to

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1.44 MB
650 MB
2 GB
1 TB

There is nothing like a virtual constructor of a class.

1 Mark(s)

1

The rotational delay time or latency time is also known as

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Seek Time
Head Switching Time
Search Time
Data Transfer time

Originally ‘C’ was developed as:

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

The temporary output of a computer system is called

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Hardcopy output
Softcopy output
Computer Printout
None of above

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

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

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Dot Matrix Printers
Laser Printers
Plotters
Projectors

Which of the following printer produces most noise?

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Dot Matrix Printer
Inkjet Printer
Laser Printer
None of 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

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

1 Mark(s)

Syntax error
10 20
20 10
20 20

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 is not a component of file system

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

In a C language ‘3’ represents

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A digit
An integer
A character
A word

What is shallow copy?

1 Mark(s)

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 of the following is not a file operation:

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Repositioning
Truncating
Appending
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 not a standard exception built in C++.

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

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

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

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1
2
3
0

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

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 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

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