The document outlines the layers of software engineering, emphasizing its systematic and quantifiable approach to software development and maintenance. It discusses four key layers: the quality focus layer, the process layer, the method layer, and the tools layer, each crucial for enhancing efficiency, quality, and manageability in software projects. With a focus on both organizational and user quality requirements, it highlights the importance of utilizing tools like Computer-Aided Software Engineering (CASE) to support the software development process.

1. SOFTWARE
ENGINEERING
LAYERS
PRESENTED BY: AMIT KUMAR
BCA IV

2. WHAT IS SOFTWARE ENGINEERING
 According to IEEE software engineering is defined
as the application of the systematic, discipline,
quantifiable approach to development of an
operation and maintenance of software

4. QUALITY
 Engineering approaches rest on an organizational
customer quality requirements (efficiency, reliability,
etc.), developer quality requirements
(maintainability, reusability, etc.), users (usability,
efficiency, etc.), and etc. Some quality requirements
are difficult to specify in an unambiguous way.
Software specifications are usually incomplete. The
bedrock that supports software engineering is a
quality focus layer. A product should meet its
specification.

5. PROCESS
 The foundation for software engineering is
the ̳process layer. The process layer allows the
development of software on time. The work
products are produced, milestones are established,
quality is ensured, and changes are properly
managed. Software engineering process is the glue
that holds the technology together and enables
rational and timely development of computer
software. It forms the base for management control
of software project

6. METHODS
 The method layer provides technical knowledge
for developing software. This layer covers a broad
array of tasks that include requirements analysis,
design, coding, testing, and maintenance phase of
the software development. Software engineering
methods provides the technical how-to‘s for building
software

7. TOOLS
 The tools layer provides computerized or semi-
computerized support for the process and the
method layer. Sometimes tools are integrated in
such a way that other tools can use information
created by one tool. This multi-usage is commonly
referred to as Computer-Aided Software
Engineering (CASE).CASE combines software,
hardware, and software engineering database to
create software engineering analogous to
Computer-Aided Design (CAD) for hardware.
CASE helps in application development including
analysis, design, code generation, and debugging
and testing.

8. THANK YOU!