Software Engineering 1 - Module 1

Action

Set of tasks that produce major work product.

Activity

Strives to achieve a broad objective.

Ad-hoc Workflow System

Deals with shaping of product, sales proposals and strategic plans.

Administrative Workflow Systems

Focus on tracking of expense reports, travel requests, messages.

Application Software

Stand-alone programs that solve specific business needs.

Artificial Intelligence Software

Uses non-numerical algorithms to solve complex problems.

Be open to the Future

Never design yourself in the corner.

Carry out the Plan

Code generation (Programming).

Cloud Computing

Infrastructure or ecosystem enabling sharing or using computing resources broadly.

Closed Systems

Can be predicted with certainty.

Communication

Communicate and collaborate with user to understand objectives.

Construction

Building of the software project.

Data

Raw facts, important component of IS.

Database

Collection of related organized data.

Decision Support System (DSS)

Supports problem-specific decision-making.

Deployment

Software delivered to customer for evaluation and feedback.

Embedded Software

Resides within a product or system to implement control features.

Engineering/Scientific Software

Broad array of “number crunching” programs.

Enterprise Resource Planning (ERP)

Integrated programs for business operations.

Examine the result for accuracy

Testing and Quality Assurance (Deliberate).

Executive Information System (EIS)

For senior managers, easy to use.

Expert Systems

Make suggestions like an expert in a field.

Feedback

Evaluation.

Good Information Characteristics

Accuracy, Timeliness, Less Uncertainty, An element of surprise value, Should aid in decision-making, Should update knowledge.

Information

Analyzed facts processed from data.

Information Management

System managing information, focusing on data as utility.

Information System

Set of interrelated components that collect, store, process, analyze, support decision-making.

Input

Acquisition of raw data introduced to the system.

KISS (Keep It Simple, STUPID!)

All design should be as simple as possible, but no simpler.

Legacy Software

Older programs developed decades ago, modified to meet changes.

Maintain the Vision

Essential for the success of the software project.

Management Information System (MIS)

Provides routine summary of operations.

Mobile Applications

Encompass user interface taking advantage of mobile platform interactions.

Modeling

“Sketch” of the project to understand the big picture.

Open Systems

Probabilistic systems where outputs can't be determined precisely.

Output

Processed data becomes information.

Plan Ahead for Reuse

Reduces the cost and increases value of reusable components.

Plan a Solution

Modeling and Software Design (Designing).

Planning Phase

Identifies need for new system, preliminary plan or feasibility study.

Planning

Mapping the software project to create guidelines.

Process

Collection of activities, actions, tasks performed to create work product.

Process

Data processing, classifying, arranging, calculating.

Process

Generates useful information for decision-making.

Production Workflow Systems

Concerned with mortgage loans and insurance claims.

Product Line Software

Set of software-intensive systems sharing common features for a market segment.

Product-line Software

Designed to provide specific capabilities for use by many customers.

Software

Collection of computer programs, procedures and documentation that perform tasks on a computer system.

Software

Data structures that enable programs to manipulate information (e.g., databases).

Software

Set of instructions/codes or computer program that when executed provides desired features, function and performance.

Software Development Life Cycle

Focuses on software components.

Software Engineering

Discipline of acquiring and applying knowledge to design and implement structures, systems, processes.

Software Engineering

Process or collection of methods and tools to build high-quality software.

Software Engineering

Systematic, disciplined, quantifiable approach to development, operation, maintenance.

System Development Life Cycle (SDLC)

Applies to hardware and software configurations.

System Development Life Cycle (SDLC)

Process for planning, creating, testing, deploying an information system.

System Development Phase

Real work begins, programmers build the system.

System Implementation Phase

Installation, moving data to new system.

System Maintenance Phase

Maintenance, updates, fine-tuning.

System Software

Collection of programs written to service other programs.

System Testing Phase

Integration and testing to meet goals.

Systems

Set of interacting or interdependent entities forming an integrated whole.

Systems

Set of processes or integrated parts with entities performing functions.

Systems Analysis Phase

Works on source of problem, analyzes solutions, functional requirements.

Systems Design Phase

Describes specifications, features, operations.

Task

Focuses on small, well-defined objectives producing tangible outcome.

The Reason it all Exists

Provide value to its users.

Think!

Practice complete and clear thought before taking action for better results.

Transaction Processing System (TPS)

For record keeping, report generation.

Understand the Problem

Communication and Analysis (Research).

Web/Mobile Application

Network centric applications encompassing browser-based apps and/or mobile apps.

WebApps

Sophisticated computing tools providing stand-alone function, integrating databases and applications.

What you produce, others Consume

Always specify design and implement knowing someone else will have to understand.

Workflow System

Rule-based management for business processes.