Chapter 1 Flashcards by Lele Brd

What the the 4 parts of software development

Computer application
Information system
System analysis
Systems design

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What is the definition of computer application?

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Which of these two is a **modest scope **(Computer Application || Information System)?

Computer Application

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What is the definition of Information System?

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Which of the Software Development parts is ** broader in scope ** than the app

Information System

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Which System development part Includes database and related manual processes (people)?

Information Systems

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Information Systems Includes ……………. and …………….. ?

database & related manual processes

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Define system development :

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Systems analysis are those activities that enable a person to ………… and ……….. what an information system should accomplish

Understand 🧠and specify 📍

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Systems design those activities that enable a person to ……. and ……… in detail the system that solves the need

إذا شفتي design
DDDesign & DDDescribe

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Which of the system development parts
Is to determine WHAT the new system should Do?

System analysis

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Which of the system development parts
Is to determine HOW the new system should be Build/ implemented

System design

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What is the difference between computer, application and information systems?

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What is the purpose of systems analysis? Why is it important?

Is enables the system developer to understand the user’s requirements.

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T/F Without a good analysis of the user’s needs and requirements the new system will be inadequate in its solution or erroneous in its implementation.

True

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What are the seven steps of software development?

1- Understand 🧠the need (business need)
2- Capture 📸the vision👁️
3- Define 📝a solution
4- Communicate 🗣️the vision 👁️and solution👆🏼
5- Build 🧱the solution
6- Confirm 👍that the solution meets 🫂the need
7- Launch 🚀the solution system

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The process consisting of all activities required to build🧱, launch🚀, and maintain 🫳🏼an information system: (hint: there six)

System Development Life Cycle (SDLC)

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What are the six core processes of the system development lifecycle ?

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A Planned undertaking that has a beginning and end and that Produces some definite result

Project

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What is Used to develop an information system?

Project

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T/F a Project Requires knowledge 🧠 of systems analysis and systems design tools and techniques

True

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What is the actual approach used to develop a particular information system?

System development process (methodology)

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What is the other name of system development process?

Methodology

Give me three examples of system, development process, (a.k.a. methodology):

Unified process (UP)
Extreme programming (XP)
Scrum

What does Most processes/methodologies now use ?

Agile and Iterative development

an information system **development** process that emphasizes *flexibility* to *anticipate new requirements* during **development**

Agile Development

Agile development: an information system development process that emphasizes ….(what?)….. to ………..(why?)……. during development.

Flexibility, Anticipate new requirements

ايش هي صفات الـAgile Development

Fast feet Responsive to change

Define Iterative development

Completes ✨ small🤏🏼 part of system (mini-project), then repeat 🔄processes to refine and add more, then repeat to refine and add more, until done☑️

The iteration development

What happens in **core process 1** in pre-project initial activities?

- Identify the problem and document the objective of the system -Obtain approval to commence the project

How can we Identify the problem and document the objective of the system in (core process 1)?

- Preliminary investigation تحقيق مبدئي - System Vision 👁️ Document📑

How can we Obtain approval to commence the project in (core process 1)?

- Meet 🫱🏻‍🫲🏼 with key 🔑 stake🥩holders🍴 - Decision reached⛳️, approve 👍 plan 🧾and budget 💲

What should a **system vision document** include?

- Problem description - System capabilities - Business benefits

In which core process do we plan the project?

Core process 2

What happens in Day 1 (core process 2)?

- Determine the major components (functional areas) that are needed - Define the iterations and assign each function to an iteration - Determine team members and responsibilities

How can we Determine the major components (functional areas) that are needed in (Day 1 [core process 2])?

- **Supplier **information subsystem - **Product** information subsystem

How to Define the iterations and assign each function to an iteration in (Day 1 [core process 2])

-Decide to do Supplier subsystem first -Plan one iteration as it is **small** and **straight forward**

Which core process includes discovering and understanding details?

Core process 3

What are the activities of **Day 2** Core Process 3?

- Do preliminary **fact-finding** to understand requirements - Develop a preliminary list of **use cases** and a use case diagram - Develop a preliminary list of **classes** and a **class diagram**

Which core process designs system components?

Core process 4

What happens in Day 3 ( Core Process 3)?

- Do in-depth 🌊**fact-finding** to understand requirements - **Understand** and **document** the detailed workflow 🌬️of each use case

Look up supplier Enter/update supplier information Lookup contact information Enter/update contract information Are all a part of which subsystem ?

Cases of supplier information, subsystem

What happens in Day 4 (core process 4)?

- Design the database (schema) - Design the system’s high level structure

How can we Design the system’s high level structure?

- Browser, Windows, or Smart phone - Architectural configuration (components) - Design class diagram - Subsystem architectural design

Preliminary Design Class Diagram Includes ……………. and………….

- **View** Layer Classes - **Domain** Layer Classes

…

What happens in Day 5 core process 4?

- Continue with design details - Proceed use case by use case

Which core process builds tests and integrates system components?

Core process 5

What happens in Day 5 ( Core Process 5)?

- Continue programming (build) - Build 🧱use case by use case - Perform 🎤unit and integration tests

Which Core Process Complete System Testing and Deploy the System?

Core Process 6

What Happens in Day 6 (Core process 6)?

- Perform 🎤system functional testing - Perform 🎤user acceptance ☑️ testing - Possibly deploy ✈️part🤏🏼 of system

T/F Most iterations are longer (2 to 4 weeks)

True

End users need to be involved, particularly in which days?

1, 2, 3 and 6

Which days that *end users* **don’t need to be involved**

Days 4, and 5 (involved design and programming concurrently).