Computer Software Exam

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&

Originally ‘C’ was developed as:

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

A disk is divided into several concentric circles called

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Track
Sector
Cylinder
Cluster

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

The return value of the following code is Class1& test(Class1 obj){Class1 *ptr = new Class1();.........return ptr;}

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Object of Class1
Reference to ptr
Reference of Class1
Object pointed by ptr

Which of the following is not a magnetic storage medium?

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Floppy Disk
Hard Disk
Digital Versatile Disks
Cassettes and Cartridges

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

Which device in microprocessor stores the data to be processed?

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ROM
RAM
Registers
ALU

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.

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

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.

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1

Which of the following operators below allow to define the member functions of a class outside the class?

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::
?
:?
%

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 classes allow primitive types to be accessed as objects?

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Storage
Virtual
Friend
Wrapper

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

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

What does STL stand for?

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

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

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

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 operators can be overloaded?

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

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 printer produces most noise?

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Dot Matrix Printer
Inkjet Printer
Laser Printer
None of above

In a C language ‘3’ represents

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A digit
An integer
A character
A word

Which of the following is not recommended in a header file?

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Type definitions (typedefs)
Class definitions
Function definitions
Template definitions

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

What’s wrong? for (int k = 2, k <=12, k++)

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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

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.

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

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()

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

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Hello World
Syntax error
0
Hello World!

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 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

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

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

An inverted file

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Locates information about data in small files that are maintained apart from actual data record
A file which stores opposite records
A file which stores information about records of a system
None of the above

Each pass through a loop is called a/an

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Enumeration
Iteration
Culmination
Pass through

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

Computer Software Exam : Question 1 of 40