Computer Software Exam

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

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 port is used to connect DB-25 pin modems or scanners?

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Serial Ports
Parallel Port
PS/2 Port
USB Port

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

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1
2
3
0

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

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Hello World
Syntax error
0
Hello World!

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 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

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

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

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

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 classes allow primitive types to be accessed as objects?

1 Mark(s)

Storage
Virtual
Friend
Wrapper

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

A direct access file is:

1 Mark(s)

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 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 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

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

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 relationship is known as inheritancerelationship?

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‘Has-a’ relationship
‘Is-a’ relationship
Association relationship
None of the above

Each pass through a loop is called a/an

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Enumeration
Iteration
Culmination
Pass through

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

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)

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 functions below can be used Allocate space for array in memory?

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Calloc()
Malloc()
Realloc()
Both a and b

Under which of the following circumstances, synchronization takes place?

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

Which of the following ROM is most convenient to rewrite?

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EPROM
EEPROM
EAPROM
DRAM

Which of the following printer produces most noise?

1 Mark(s)

Dot Matrix Printer
Inkjet Printer
Laser Printer
None of above

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

Statement scanf(“%d”,80);

1 Mark(s)

Assign an integer to variable i
Give an error message
Print the value of i
Assign an float to variable i

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

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

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

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

1 Mark(s)

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

If the class name is X, what is the type of its “this” pointer (in a nonstatic, non-const member function)?

1 Mark(s)

const X* const
X* const
X*
X&

Which looping process checks the test condition at the end of the loop?

1 Mark(s)

For
While
Do-while
No looping process checks the test condition at the end

A disk is divided into several concentric circles called

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Track
Sector
Cylinder
Cluster

To record and produce sound in a computer system you need

1 Mark(s)

Microphone
Speakers
Sound card
All of above

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

1 Mark(s)

Dot Matrix Printers
Laser Printers
Plotters
Projectors

Computer Software Exam : Question 1 of 40