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CS619 Final Project Final Views from September 26 to October 28 ( Share Your Viva Experience )

CS619 Final Project Final Views from September 26 to October 28 ( Share Your Viva Experience )

Dear Students,

Final Vivas are going to start from today. Share your vivaquestions in Reply of this discussion so students can be aware about questions in current vivas.

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Replies to This Discussion

Ultimate SMS Blocker Project Current Final Viva Questions

Viva Panel Members : 2 

1 was supervisor usman waheed and 1 other supervisor 

Viva time: 15 to 30  Mints 

Q: 1 Introduce yourself

Q: 2, Project Intro, what is benefit of this app? what type of application? tools ? 

Q: 3 run app: explain its functions

Q: 4: Open Coding 

What is class

What is object

What is constructor

What is destructor

declare for loop

declare arrary

What is Exceptions

What is implements

What is Extends

What is Super keyword

What is toast

What is Type conversion

What is void return type

What is override

What is  overload

Why we used java?

Presentation Questions:

open ur report, questions about diagram like

Use Case Diagram, what is <include>> and extend>> , actor , use case

Sequence diagram: what is life line, what is activation, what is message, syn , async

ERD,:  Entity, attribute, type of attributes, cardinality, modality  

Class diagram: object , class

Database design: data types, primary key, foreign key

Favorite Subject : 

cs403 database favorite questions :

Joins ( Theta, Equi, Outer, Inner, Semi)

Keys: Super , Candidate, Primary, Alternate, Alternate, Foreign

Normalization: 1st, 2nd, 3rd

ANOMALY: Insert anomaly , update, delete

Graphical User Authentication (GUA) Project Current Final Viva Questions

Viva Panel Members : 2 

Viva time: 15 to 30  Mints 

Q: 1 Introduce yourself

Q: 2, Project Intro, what is benefit of this application? what type of application? tools ? 

Q: 3 run app: explain its functions

Q: 4: Open Coding 

What is class

What is object

Why we used PHP?

PHP Data Types

declare php arrary

declare a function

call a function

get method

post method

isset function

session start

$_SESSION veriable

include function

require function

where is database name written in code

declare loop , for , while , do while, 

write insert query , 

write update query

write delete query

write select query

Presentation Questions:

open ur report, questions about diagram like

Use Case Diagram, what is <include>> and extend>> , actor , use case

Sequence diagram: what is life line, what is activation, what is message, syn , async

ERD,:  Entity, attribute, type of attributes, cardinality, modality  

Class diagram: object , class

Database design: data types, primary key, foreign key

Favorite Subject : 

cs403 database favorite questions :

Joins ( Theta, Equi, Outer, Inner, Semi)

Keys: Super , Candidate, Primary, Alternate, Alternate, Foreign

Normalization: 1st, 2nd, 3rd

ANOMALY: Insert anomaly , update, delete

Step in Security (SIT) Project Current Final Viva Questions

Viva Panel Members : 2 

1 was supervisor Noor Rahman and 1 other supervisor 

Viva time: 15 to 30  Mints 

Q: 1 Introduce yourself

Q: 2, Project Intro, what is benefit of this application? what type of application? tools ? 

Q: 3 run app: explain its functions

Q: 4: Open Coding 

What is class

What is object

Why we used PHP?

PHP Data Types

declare php arrary

declare a function

call a function

get method

post method

isset function

session start

$_SESSION veriable

include function

require function

where is database name written in code

declare loop , for , while , do while, 

write insert query , 

write update query

write delete query

write select query

Presentation Questions:

open ur report, questions about diagram like

Use Case Diagram, what is <include>> and extend>> , actor , use case

Sequence diagram: what is life line, what is activation, what is message, syn , async

ERD,:  Entity, attribute, type of attributes, cardinality, modality  

Class diagram: object , class

Database design: data types, primary key, foreign key

Favorite Subject : 

cs403 database favorite questions :

Joins ( Theta, Equi, Outer, Inner, Semi)

Keys: Super , Candidate, Primary, Alternate, Alternate, Foreign

Normalization: 1st, 2nd, 3rd

ANOMALY: Insert anomaly , update, delete

Today My Viva has been done. 

In viva They asked the following

General Questions :
Introduce your self. 
what do you do other than studies?

About VIVA
Open your Final Presentation?
What are cases ??
show us your ERD??
How to tackle many to many relationship in Database?

What is your favo subject?? 
I said "Programming with C#"

Then they asked questions about programming which are as follows:

What is class diagram ?
what is association and Aggregation ??
how to show association and aggregation of one class with another in class diagram ?
How many Types of Functions ?
What is Static Function ?
How the Memory allocated to Static Function?)

( Today was my viva (GUA)

Sab sy pehly mam said introduce yourself
Then open presentation file and explain
Open use case diagram
Why did u put a boundary on use case diagram
Open sequence diagram
What does that vertical bar show?
Purpose of sequence diagrams 
What's ur fvrt subject ( i said DBMS)
Then a sir also came and both mam and sir were questioning me
Example of DBMS
It is DBMS or RDBMS 
1 question i forgot ) 

(MY-GUA-VIVA-Today-26-sep
VIva was easy they ask me to show presentation and explain the project i'll explain after then they ask me to open diagrams. i'll open and explain them use case , sequence , ER, and class then they ask me to explain the machinism of image capturing i explain it thoroughly then viva is over only in 10 minutes.
The only tip is ans the Q confidently and explain about your project with full confidence also make sure ur diagrams are correct and u should know about them and there functionality. there is no question about fav subj from me because while explaining class diagrame i v all reading explain about inheritance. but they are asking Questions from OOP from other students )

Difference between class and object

 Class:
A class is the core of any modern Object Oriented Programming language Class is a blueprint of an object that contains variables for storing data and functions to performing operations on these data. 
Object: 

Objects are the basic run-time entities in an object oriented system.They may represent a person,a place or any item that the program has to handle. 

"Object is a Software bundle of related variable and methods. "
“Object is an instance of a class”

what are data member and functions 

Students also prepare 

OOPS : Abstraction, Encapsulation, Inheritance, Polymorphism

Abstraction is the “process of representing only essential features”. That means Abstraction doesn’t show the complexity behind features. Abstraction is used for “Making things more general, simpler, abstract”.

Real Time Example for Abstraction:
The Best real time example for abstraction is ATM (Automated Teller Machine). We doesnt know how ATM internally works when we are using ATM, we know only select options like withdraw, Balance Inquiry, Mini Statement etc.
Here abstraction hides all unnecessary things, it shows only necessary things.

Encapsulation is defined as “Wrapping up data member and method together into a single unit”.
Real time example of Encapsulation is Car Driving, car driver knows how to start car by pressing start button. The driver doesn't know what happened inside when pressing start button. Here the starting process is hidden from driver. So this process can be called as “starting process is encapsulated from driver”

Polymorphism name itself tells “many forms”. That is Poly means “Many” morphism means “forms”. So Polymorphism meaning in Oops “one name many forms”. Or Polymorphism can also define as “same operation may behave differently on different classes”.

Real Time Example for Polymorphism 
Real time example for polymorphism is “Door”, why mean we can use these doors for home, car, lift etc.

Inheritance is defined as “one class (child class) inherits or acquire the property (members) of another class”
Real time example for Inheritance is “parent child relationship” Because child receives all the property from parent.

OOP Association, Aggregation, and Composition

 

 

Association is a relationship where all objects have their own lifecycle and there is no owner.

 

Let’s take an example of Teacher and Student. Multiple students can associate with single teacher and single student can associate with multiple teachers, but there is no ownership between the objects and both have their own lifecycle. Both can be created and deleted independently.

Aggregation is a specialized form of Association where all objects have their own lifecycle, but there is ownership and child objects can not belong to another parent object.

 

Let’s take an example of Department and teacher. A single teacher can not belong to multiple departments, but if we delete the department, the teacher object will not be destroyed. We can think about it as a “has-a” relationship.

Composition is again specialized form of Aggregation and we can call this as a “death” relationship. It is a strong type of Aggregation. Child object does not have its lifecycle and if parent object is deleted, all child objects will also be deleted.

 

Let’s take again an example of relationship between House and Rooms. House can contain multiple rooms - there is no independent life of room and any room can not belong to two different houses. If we delete the house - room will automatically be deleted.

 

Let’s take another example relationship between Questions and Options. Single questions can have multiple options and option can not belong to multiple questions. If we delete the questions, options will automatically be deleted. 

OOP Association, Aggregation, and Composition example 

OOP concepts are very important so everybody must prepare OOP concepts 

Wish you all the best for viva exam 

Viva was through video conferencing 

They asked me to introduce your self

Run Application and make one entry. 
Open Presentation and introduction of project 
Case Diagram, what is <include>> and extend>> in case diagram

they mostly asked questions about the diagrams in slides
 what is encapsulation

Ask for the scope, benefits and need for your project in real life case.
Ask for the Diagrams e.g, ERD, Class, Use Case, Sequence.

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