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 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 of the following is not a component of file system

1 Mark(s)

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

Seek time is

1 Mark(s)

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

Inline functions are invoked at the time of

1 Mark(s)

Run time
Compile time
Depends on how it is invoked
Both b and c above

In a group of nested loops, which loop is executed the most number of times?

1 Mark(s)

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

How many copies of a class static member are shared between objects of the class?

1 Mark(s)

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

Which of the following is/are advantages of cellular partitioned structure:

1 Mark(s)

Simultaneous read operations can be overlapped
Search time is reduced
Both a & b
None of the above

Which one of the following is not a fundamental data type in C++

1 Mark(s)

Float
String
Int
Wchar_t

Which of the following members do get inherited but become private members in child class

1 Mark(s)

Public
Private
Protected
All the above

Which of the following is the most general exception handler that catches exception of ‘any type’?

1 Mark(s)

Catch(std::exception)
Catch(std::any_exception)
Catch(…)
Catch()

In a C language ‘3’ represents

1 Mark(s)

A digit
An integer
A character
A word

Which of the following operators can be overloaded?

1 Mark(s)

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

What’s wrong? while( (i < 10) && (i > 24))

1 Mark(s)

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

IBM introduced the first 8” floppy disk in 1971 which could store

1 Mark(s)

100 KB
164 KB
512 KB
1.44 MB

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

1 Mark(s)

1
2
3
0

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

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

1 Mark(s)

Private
Public
Protected
Needs to be assigned

When is std::bad_alloc exception thrown?

1 Mark(s)

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

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&

There is nothing like a virtual constructor of a class.

1 Mark(s)

1

Which of the following correctly describes C++ language?

1 Mark(s)

Statically typed language
Dynamically typed language
Both Statically and dynamically typed language
Type-less language

Which of the following functions below can be used Allocate space for array in memory?

1 Mark(s)

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

In mulit-list organization

1 Mark(s)

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

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

A disk is divided into several concentric circles called

1 Mark(s)

Track
Sector
Cylinder
Cluster

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

1 Mark(s)

Explicit
Public
Implicit
Private

Which classes allow primitive types to be accessed as objects?

1 Mark(s)

Storage
Virtual
Friend
Wrapper

Which of the following is the most preferred way of throwing and handling exceptions?

1 Mark(s)

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.

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

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

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

1 Mark(s)

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?

1 Mark(s)

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

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

A kind of memory chip that stores data and instructions permanently is

1 Mark(s)

ROM
SRAM
EEPROM
RAM

Which of the following is not an optical storage medium?

1 Mark(s)

CDs
DVDs
Blu Ray
Memory Sticks

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?

1 Mark(s)

Parentheses ( )
Braces { }
Brackets [ ].
Arrows < >

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

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

1 Mark(s)

LCD Monitor
LED Monitor
CRT Monitor
Monochrome Monitor

What is the difference between overloaded functions and overridden functions?

1 Mark(s)

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.

Computer Software Exam : Question 1 of 40