Computer Software Exam

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

1 Mark(s)

Template class
Function template
Class template
Both a and c above

A disk is divided into several concentric circles called

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Track
Sector
Cylinder
Cluster

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

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

The temporary output of a computer system is called

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Hardcopy output
Softcopy output
Computer Printout
None of 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

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

Which of the following ROM is most convenient to rewrite?

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EPROM
EEPROM
EAPROM
DRAM

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 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/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

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 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

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.

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

The default access level assigned to members of a class is ___________.

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Private
Public
Protected
Needs to be assigned

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

1 Mark(s)

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

What does STL stand for?

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

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

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Dot Matrix Printers
Laser Printers
Plotters
Projectors

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

Which of the following keyword supports dynamic method resolution?

1 Mark(s)

Abstract
Virtual
Dynamic
Typeid

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

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

1 Mark(s)

Explicit
Public
Implicit
Private

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

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 classes allow primitive types to be accessed as objects?

1 Mark(s)

Storage
Virtual
Friend
Wrapper

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

1 Mark(s)

Hello World
Syntax error
0
Hello World!

Which of the following is not a magnetic storage medium?

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Floppy Disk
Hard Disk
Digital Versatile Disks
Cassettes and Cartridges

Which of the STL containers store the elements contiguously (in adjacent memory locations)?

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Std::vector
Std::list
Std::map
Std::set

*ptr++ is equivalenet to:

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

The output of{int a = 5;int b = 10;cout << (a>b?a:b);}

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5
10
Syntax error
None of 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

Each pass through a loop is called a/an

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Enumeration
Iteration
Culmination
Pass through

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

1 Mark(s)

VGA Port
SVGA Port
AGP Port
PS/2 Port

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

1 Mark(s)

1
2
3
0

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

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

Under which of the following circumstances, synchronization takes place?

1 Mark(s)

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

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

1 Mark(s)

Serial Ports
Parallel Port
PS/2 Port
USB Port

Computer Software Exam : Question 1 of 40