Roll No.
PGDCA First Semester Examination (Year 2014)
Operating System
Subject Code: PGDCA -101
Paper Code: JPJ-101
Enrollment No.
Time
: 20 Minutes
M.Marks : 10
Invigilator’s Signature
Section A
Objective Type Questions
Attempt All Questions (Each question carry 1/2 mark). Use the symbol (√) in the box for
marking the correct answer.
Q. No. 1.
1.
2.
3.
4.
5.
6.
Choose the correct answerShell is the exclusive feature ofa)
UNIX
b)
DOS
c)
System Software
d)
Application Software
A program in execution is called………….a)
Process
b)
Instruction
c)
Procedure
d)
Function
The principal of locality of reference justifies the use ofa)
Re-enterable
b)
Non reusable
c)
Virtual memory
d)
Cache memory
Time sharing is the same asa)
Multitasking
b)
Multiprogramming
c)
Multiuser
d)
None of these
The size of virtual memory depends ona)
The size of the data bus
b)
The size of main memory
c)
The size of address bus
d)
None of these
Which of the following system call loads a process into memory?
a)
Load
b)
Create
c)
Fork
d)
Execv
1
7.
8.
9.
10.
11.
12.
13.
14.
Each process is represented in the operating system by its owna)
Thread
b)
PCB
c)
State
d)
Instructions
Which of the following allows many users to share the computer simultaneously?
a)
Times sharing OS
b)
Real time OS
c)
Interactive OS
d)
Batch OS
In a segmentation scheme the logical memory will be divided intoa)
Pages
b)
Frames
c)
Blocks
d)
Segments
Information in the file is processed in order, one order after another. This mode of
access is calleda)
Relative
b)
Sequential
c)
Direct
d)
Index
A Distributed System is a collection of processors and do not share………….a)
CPU
b)
Memory
c)
I/O devices
d)
Network
In real time operating system, which of the following is the most suitable
scheduling scheme?
a)
Round-robin
b)
FCFS
c)
Pre-emptive scheduling
d)
Random scheduling
The state of a process after it encounters an I/O instruction isa)
Ready
b)
Blocked/ waiting
c)
Idle
d)
Running
Multiprocessing isa)
Same as Multitasking
b)
Same as Multiprogramming
c)
Multiuser
d)
Involves using more than one process at the same time
2
15.
16.
17.
18.
19.
20.
A system suffering from an excessive number of page faults is said to bea)
Crashing
b)
Hashing
c)
Trashing
d)
Thrashing
Which of the following is not fundamental process state?
a)
Ready
b)
Terminated
c)
Executing
d)
Blocked
The main reason to encrypt a file is toa)
Reduce its size
b)
Secure it for transmission
c)
Prepare it for backup
d)
Include it in the start-up sequence
Which amongst the following is not an advantage of Distributed System?
a)
Reliability
b)
Incremental growth
c)
Resource sharing
d)
None of these
Which of the following is not application software?
a)
Word processing
b)
Spread sheet
c)
UNIX
d)
Desktop publishing
A set of techniques that allow to execute a program which is not entirely in
memory is calleda)
Demand paging
b)
Virtual memory
c)
Auxiliary memory
d)
Secondary memory
----------------------------
3
PGDCA First Semester Examination (Year 2014)
Operating System
Subject Code: PGDCA-101
Paper Code: JPJ-101
Time
: 2:40 hours
M.Marks : 60
Section – B
(Short Answer Type Questions)
Attempt all questions (each question carries 4 marks)
Q.No. 2.
Write about Booting in operating system?
OR
Write about Interrupts.
Q.No.3.
Explain file access method.
OR
What is inter- process communication?
Q.No.4 .
What is Virtual memory?
OR
Explain about memory Hierarchy.
Q.No.5.
Write about classification of Computers.
OR
Explain about advantages of parallel processing.
Q.No.6.
Write about interacting with the system in UNIX.
OR
Explain process creation and Termination in UNIX.
1
Roll No.
Section C
(Long answer type questions)
Attempt all questions (each question carries 8 marks)
Q.No.7.
What are system call? Explain briefly various types of system call provided by an
operating system.
OR
Explain operating system structure.
Q.No.8.
Write various operations on a process.
OR
Explain in detail about Information Management.
Q.No.9.
Explain Segmentation.
OR
Write about protection and security.
Q.No.10.
.
Write about Operating System Mach
OR
Explain distributed processing.
Q.No.11.
Explain UNIX file. How it is different from other OS files.
OR
Write about history of UNIX.
-------------------------
2
PGDCA First Semester Examination (Year 2014)
PC SOFTWARE
Subject Code: PGDCA- 102
Paper Code: JPJ-102
Roll No.
Enrollment No.
Time
: 20 Minutes
M.Marks: 10
Invigilator’s Signature
Section A
Objective Type Questions
Attempt All Questions (Each questions carry ½ mark). Use the symbol (√) in the box for
marking the correct answer.
Q.1.
Choose the correct answer1.
2.
3.
4.
Which command is used to see the file?
a)
Dir
b)
Copy Con
c)
Type
d)
None of these
Which command is used to make directory?
a)
RD
b)
MD
c)
CD
d)
None of these
DOS _____________ operating system.
a)
Multi user
b)
Single user
c)
Network
d)
None of these
Windows is based on ______________ format.
a)
CUI
b)
GUI
c)
TUI
d)
None of these
b)
False
b)
False
b)
False
Write true or false
5.
X copy is an External Command.
a)
6.
Edit is Internal Command
a)
7.
True
True
We can change wallpaper.
a)
True
1
8.
Windows operating system is very user friendly.
a)
9.
False
True
b)
False
True
b)
False
True
b)
False
True
b)
False
True
b)
False
True
b)
False
True
b)
False
We can send message to other people by using E-mail.
a)
20.
b)
We can see more than one slide at a time by using slide sorter view.
a)
19.
True
Slide transition is used to give movement to the text and picture on slide.
a)
18.
False
In workbook there are only 3 work sheet.
a)
17.
b)
Internet explorer is example of website.
a)
16.
True
We can print only selected data from work sheet.
a)
15.
False
By default text is Left align.
a)
14.
b)
We cannot add row and column in table after creating.
a)
13.
True
After making document we can change case of text i.e. capital to small and small
to capital.
a)
12.
False
We cannot change paragraph setting after typing a document.
a)
11.
b)
Each page has four types of alignment.
a)
10.
True
True
b)
False
Web page is a resource on the World Wide Web.
a)
True
b)
---------------------------2
False
PGDCA First Semester Examination (Year 2014)
PC SOFTWARE
Subject Code: PGDCA- 102
Paper Code: JPJ-102
Time
: 2:40 Minutes
M.Marks : 60
Section – B
(Short Answer Type Questions)
Attempt all questions (each questions carry 4 marks)
Q.2.
What is DOS? Explain DOS operating system.
OR
Explain various characteristics of computer.
Q.3.
Write the procedure for creating folder and naming folder.
OR
Write the procedure for changing system current date and time.
Q.4.
Explain the procedure for finding and replacing text.
OR
Write the procedure for inserting picture in a document.
Q.5.
Write the step wise procedure for inserting rows and column in worksheet.
OR
What is macro? How can you create in excel?
Q.6.
What is Slide Sorter View? For what purpose we use slide sorter view?
OR
What is custom animation? How it is useful for us.
1
Roll No.
Section C
(Long answer type questions)
Attempt all questions (each questions carry 8 marks)
Q.7.
Explain internal and external dos commands with example.
OR
Explain following application areas of computer.
a)
Business and industry
b)
Recreation and Entertainment
c)
Government
d)
Education
Q.8.
Explain accessories of windows in brief.
OR
Explain following procedure step by step
a)
Changing wallpaper
b)
Window make maximize and minimize
c)
Set Icon by date and by name
d)
Copy data from one folder to another
Q.9.
What is mail merge? Explain step wise procedure of mail merge.
OR
What is tab? How many types of tabs are there? Write the procedure for setting different types of
tabs.
Q.10. Explain the procedure ofa)
Inserting chart in a work sheet
b)
Using date and time
OR
Explain the procedure of using built in mathematical function with any two example.
Q.11. What is Power Point Presentation? Write the steps for developing it? Also write the advantages of
slide presentation.
OR
What is a Computer Virus? What are different types of virus? Give some example.
--------------------------2
PGDCA First Semester Examination (Year 2014)
INTRODUCTION TO IT
Subject Code: PGDCA -103
Paper Code: JPJ-103
Roll No.
Enrollment No.
Time
: 20 Minutes
M.Marks : 10
Invigilator’s Signature
Section A
Objective Type Questions
Attempt All Questions (Each questions carry ½ mark). Use the symbol (√) in the box for
marking the correct answer.
Q.1.
Choose the correct answer1.
2.
3.
4.
5.
A world wide web contains web pagesa)
Residing in many computer
b)
Created using HTML
c)
With links to other web pages
d)
Residing in many computers linked together using HTML
A web page is located using aa)
Universal record linking
b)
Uniform resource locator
c)
Universal record locator
d)
Uniformly reachable links
Google.com, yahoo.com and ask.com are all examples ofa)
Browsers
b)
Search Engines
c)
Visits
d)
Links
Which of the following items are examples of storage devices?
a)
Floppy/Hard disk
b)
CD-ROMs
c)
Tape devices
d)
All of these
Which can be used for quick access to commonly used commands and tools?
a)
Status bar
b)
Tool bar
c)
Menu bar
d)
Title bar
1
6.
7.
8.
9.
10.
11.
12.
In MS-word, Ctrl+S is fora)
Scenarios
b)
Size
c)
Save
d)
Spelling check
How do you display current date and time in MS-Excel?
a)
date ( )
b)
today ( )
c)
how ( )
d)
time ( )
For large networks, _____________ topology is used.
a)
Bus
b)
Star
c)
Ring
d)
None of these
ISO stands fora)
International standard organization
b)
International student organization
c)
Integrated service organization
d)
None of these
________ is a network technology that connects sites that are in diverse
locations.
a)
LAN
b)
MAN
c)
WAN
d)
None of these
ATM stands fora)
Ethernet
b)
Token Ring
c)
Both (a) and (b)
d)
None of these
A smaller version of an image is called aa)
Clipart
b)
Bitmap
c)
Portable network graphic
d)
Thumbnail
2
13.
14.
15.
16.
17.
18.
19.
20.
MIDI stands fora)
Musical Instrument Digital Interface
b)
Musical Interface Digital Instrument
c)
MP3 Instrument Digital Interface
d)
Musical Instrument Design Interface
A ___________ is a series of slides displayed in a particular sequence.
a)
Place holder
b)
Layout
c)
Template
d)
Slide show
A _____________ displays a list of commands and appears in the toolbar at
the top of the screen.
a)
View
b)
Menu
c)
Kit
d)
List
A ______________ can be added to your presentation and then used to go to a
variety of locations.
a)
Menu link
b)
hyper link
c)
Tool link
d)
Slide link
Which of the following language that computer can understand and executea)
Machine language
b)
C programming language
c)
Java
d)
None of these
A program is sequence of __________ written in a programming language.
a)
Code word
b)
Functions
c)
Lines
d)
Instructions
Each program can havea)
Input
b)
Output
c)
Functions
d)
All of these
Which kind of languages are Cobol, Java, C#, basic?
a)
1 GL
c)
3 GL
---------------------3
c)
2 GL
d)
4 GL
PGDCA First Semester Examination (Year 2014)
INTRODUCTION TO IT
Subject Code: PGDCA -103
Paper Code: JPJ-103
Time
: 2:40 Minutes
M.Marks: 60
Section – B
(Short Answer Type Questions)
Attempt all questions (each question carries 4 marks)
Q.2.
Describe the World Wide Web. How it differs for Internet?
OR
What is Central Processing Unit?
Q.3.
What is storage device? Give two example of it?
OR
What is GUI?
Q.4.
What is spread sheet?
OR
Define person to person communication?
Q.5.
What is paint and draw application in Multimedia?
OR
What are the recent trends in Corporate Computing?
Q.6.
What is third generation languages? Give any three examples of them.
OR
Explain the basic concept of OOP with example.
1
Roll No.
Section C
(Long answer type questions)
Attempt all questions (each questions carries 8 marks)
Q.7.
Define the following.
i)
Mainframes ii)
Personal computers
iii)
Super computers
OR
Explain uses of Information Technology in business and industry, education and
entertainment.
Q.8.
Write the name of five input devices and five output devices? Explain any three of
them?
OR
What is operating system? Give any two example of operating system.
Q.9.
What is a LAN? What are its main objectives? How does it differ from WAN?
OR
Define some word processing features?
Q.10. Give applications of Multimedia in daily life?
OR
Describe Corporate Computing?
Q.11. Differentiate between object oriented programming language and procedural
language?
OR
How programs are developed. Give some programming techniques?
----------------------
2
PGDCA First Semester Examination (Year 2014)
OBJECT ORIENTED PROGRAMMING
Subject Code: PGDCA -104
Paper Code: JPJ-104
Roll No.
Enrollment No.
Time
: 20 Minutes
M.Marks : 10
Invigilator’s Signature
Section A
Objective Type Questions
Attempt All Questions (Each questions carry ½ mark). Use the symbol (√) in the box for
marking the correct answer.
Q.1.
Choose the correct answer1.
2.
3.
4.
5.
6.
Which class supports opening a file in write mode?
a)
ofstream
b)
istream
c)
ifstream
d)
ostream
Structure tag is aa)
Identifier
b)
Structure variable
c)
Structure name
d)
Keyword
An object is an instance ofa)
Class
b)
State
c)
Behavior
d)
Message
Which of the following language supports Inheritance?
a)
Object-oriented programming
b)
Procedure-oriented programming
c)
Object-based programming
d)
Structure-oriented programming
The first parent class is also called asa)
Ancestor class
b)
Base class
c)
Super class
d)
All of these
cout in C++ is aa)
Object
b)
Class
c)
Function
d)
Command
1
7.
8.
9.
10.
11.
12.
13.
14.
If function does not return any value then its return type isa)
int
b)
float
c)
void
d)
char
Parameters associated with function call are calleda)
Actual parameter
b)
Formal parameter
c)
Global parameter
d)
Auto parameter
In int A[3] = {1,4,6}, what is the value of A[3]?
a)
0
b)
Garbage
c)
6
d)
4
If float A[ ]={1.2, 2.3, 3.5, 4.1, 5.6} then cout<<sizeof(A); will displaya)
20
b)
10
c)
5
d)
0
By default all the members of a class area)
Private
b)
Public
c)
Protected
d)
All of these
Constructor can returna)
Void data
b)
Any data of user-defined types
c)
No value (not even void)
d)
Any data of built-in types
If three objects Z, X and Y are from the same class then the sequence of
destructor invocation isa)
ZXY
b)
XYZ
c)
YXZ
d)
In any order
The private members of the base class can be inherited ina)
Private mode
b)
Protected mode
c)
Public mode
d)
Cannot be inherited
2
15.
16.
17.
18.
19.
20.
A base class is aa)
Specialized class
b)
An abstract base class
c)
A virtual base class
d)
All of these
The unique name of the function is calleda)
Function call
b)
Function prototype
c)
Function definition
d)
Signature
How many Operators overloading can be defined for the same operator in a
single class?
a)
1
b)
2
c)
3
d)
No limit
A pointer to base class can hold the address ofa)
Base class only
b)
Derived class only
c)
Both (a) and (b)
d)
It cannot hold the address
cin object in C++ corresponds to thea)
Standard input stream
b)
Standard output stream
c)
Itelative statements
d)
Function
In switch statement the expressiona)
Can be of any type
b)
Can be of an integer or character type
c)
Cannot be of floating type
d)
Both (b) and (c)
-----------------------------
3
PGDCA First Semester Examination (Year 2014)
OBJECT ORIENTED PROGRAMMING
Subject Code: PGDCA -104
Paper Code: JPJ-104
Time
: 2:40 Minutes
M.Marks: 60
Section – B
(Short Answer Type Questions)
Attempt all questions (each question carries 4 marks)
Q.No.2.
Distinguish between the following terms:i)
Objects and classes
ii)
Inheritance and Polymorphism
OR
What do you mean by Dynamic Binding? How is it useful in OOP? Give
examples.
Q.No.3.
What do you think is the main advantage of the comment // in C++ as
compared to the old C type? Comment.
OR
Identify the error in the following program:
# include < iostream.h>
void main ( )
{
short i=2500,j=3000;
cout>>“i+j=”>>-(i+j);
}
Q.No.4.
Why is an array called a derived data types?
OR
What do you mean by type definition and passing an array to a function?
Explain with examples.
Q.No.5.
We can access string elements using;
(i)
at( ) function
(ii)
Subscript Operator[ ]
Compare their behaviour.
OR
The following statements are available to read strings from the key board.
i)
cin >>S1;
ii)
getline(cin,S1);
Where S1 is a string object, distinguish their behavior.
Q.No.6.
How do the following statements differ?
i)
char * const p;
ii)
char const*p;
OR
Why is it necessary to overload an operator?
1
Roll No.
Section C
(Long answer type questions)
Attempt all questions (each question carries 8 marks)
Q.No.7.
Write a function using reference variables as arguments to swap the values of
a pair of integers.
OR
What do you mean by nested conditionals and also explain conditional
expression operator.
Q.No.8.
What do you mean by overloading of a function? Explain with an example
when do we use this concept?
OR
What is the most significant advantage that you see in using references instead
of pointers?
Q.No.9.
Discuss the different ways by which we can access public member function of
an object.
OR
Can a pointer of base class type point to an object of the derived class?
Explain.
Q.No.10.
What is friend function? What are the merits and demerits of using friend
function?
OR
Can we pass class object as function arguments? Explain with the help of
example.
Q.No.11.
What is Polymorphism mean in C++? How is Polymorphism achieved at (i)
compile time and (ii) run time?
OR
What is a virtual base class? When dowe make a class virtual? Also explain
inheritance in C++.
----------------------------
2