The presentation introduces software engineering and defines software as a program running on computers, highlighting its dual role as both a product and a delivery vehicle. It discusses essential components and characteristics of software, outlines application domains, and emphasizes the importance of a systematic approach in software engineering practices. The conclusion asserts that software is ubiquitous and has a significant impact on society.

1. PRESENTATION
Presented By:-
Kashaf Imtiaz
(Gold Medalist)
Course:-
Software Engineering

2. Introduction to
Software
Engineering

3. SOFTWARE ENGINEERING
SOFTWARE ENGINEERING

4. SOFTWARE
Nature of Software
Dual Role:-
• As a product.
• As a vehicle for delivering a product.
 Definition of Software
Software is any program that runs on
the computer.
But this is not a good description.

5.  Essential Components of Software
• Instructions :- 1).Function 2). Perfomance
• Data Structures :- Maintains the data
• Documents :- 1). User Manual
2). Design Manual
 Characteristics of Software
• S/w is developed or engineered; it is not manufactured.
• S/w doesn’t “wear out.”
• S/w is custom built.
Software can have huge impact in any
aspect of our society.
Software
Data
Structu
re
Docume
nts
Instructi
ons
[PROGRA
M]

6.  Where can we find S/w?
• JF-17.
Some popular ones:-
• Google.
And even in:-
• Smart phones.
 Conclusion
Software is almost everywhere!!!

7. Software Application Domains
• System software.
• Application software.
• Scientific & Engineering software.
• Embedded software.
• Artificial intelligence software.
• Web based software.
• Real-time software.

8. ENGINEERING
 Definition
• Process to design, build and analyze objects.
• By using knowledge and principals.
• In a systematic way.

9. SOFTWARE ENGINEERING
1). The application of a systematic, disciplined,
quantifiable approach to the development, operation,
and maintenance of software; that is the application of
engineering to software.
2). The study of approaches as in (1).
---IEEE Definition (1993)
 Why we call software engineering is a
engineering?

10.  Failure rate of S/w is very high.
(Main Failures)
 Objectives of S.E
• Maintainability.
• Correctness.
• Reusability.
• Testability.
• Reliability.
• Portability.
• Adaptability.
 Layers in S/w Engineering
METHODS
PROCESS MODEL
TOOLS
A QUALITY OF FOCUS

11.  How an Engineer solves a problem?
1). Understanding the problem.
2). Plan the solution.
3). Carry out the plan.
4). Examine the result.
 General Principles of S/w Engineering
• 1st principle: Think!
• 2nd principle: Divide & Conquer.
• 3rd principle: Keep It Simple, Stupid!
• 4th principle: Maintain the vision.
• 5th principle: What you produce, others will consume.
• 6th principle: Be open to the future.
• 7th principle: Plan ahead for reuse.

12. THANK YOU