Computer Software Exam

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 component of file system

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

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

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

Which of the following is not a file operation:

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Repositioning
Truncating
Appending
None of the above

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 < >

The conditional compilation

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It is taken care of by the compiler
It is setting the compiler option conditionally
It is compiling a program based on a condition
None of the above

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

1 Mark(s)

Static binding
Dynamic Binding

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 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

Which of the following keyword supports dynamic method resolution?

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Abstract
Virtual
Dynamic
Typeid

A cluster of red, green and blue diodes is driven together to form a full-color pixel in a

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LCD Monitor
LED Monitor
CRT Monitor
Monochrome Monitor

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.

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

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

1 Mark(s)

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

STL is based on which of the following programming paradigms?

1 Mark(s)

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

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.

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

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

Originally ‘C’ was developed as:

1 Mark(s)

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

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

1 Mark(s)

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

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()

Which of the following is not a magnetic storage medium?

1 Mark(s)

Floppy Disk
Hard Disk
Digital Versatile Disks
Cassettes and Cartridges

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

Which device in microprocessor stores the data to be processed?

1 Mark(s)

ROM
RAM
Registers
ALU

Each pass through a loop is called a/an

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Enumeration
Iteration
Culmination
Pass through

Which of the following is not an optical storage medium?

1 Mark(s)

CDs
DVDs
Blu Ray
Memory Sticks

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

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

1 Mark(s)

Seek Time
Head Switching Time
Search Time
Data Transfer time

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 is not recommended in a header file?

1 Mark(s)

Type definitions (typedefs)
Class definitions
Function definitions
Template definitions

There is nothing like a virtual constructor of a class.

1 Mark(s)

1

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

1 Mark(s)

Input Iterator
Backward Iterator
Forward Iterator
Both a and c above

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

1 Mark(s)

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

The temporary output of a computer system is called

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Hardcopy output
Softcopy output
Computer Printout
None of above

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

1 Mark(s)

1
2
3
0

Computer Software Exam : Question 1 of 40