Overview Introduction to Software Engineering, Schemes and Mind Maps of Introduction to Computers

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Software EngineeringSoftware Engineering OverviewOverview

Inst.Inst. Nguyễn

Nguyễn Minh

Minh Huy

Huy

OverviewOverview

Introduction to Software Engineering – Nguyễn Minh Huy

ContentsContents

^ Basic concepts.Basic concepts.

^ Software quality.Software quality.

^ Brief history.Brief history.

^ Software engineering career.Software engineering career.

Introduction to Software Engineering – Nguyễn Minh Huy

Basic conceptsBasic concepts

^ What is software?What is software?

^ Software vs. Program?Software vs. Program?

^ Software =Software = Program

Program

SS^ + Data + Documents.+ Data + Documents.

^ Software vs. Hardware?Software vs. Hardware?

^ Control hardware.Control hardware.^ Flexibility:Flexibility:^ Flexibility:Flexibility:^ 

Adapt to changes.Adapt to changes.  Can be updated.Can be updated. ^ Ubiquitous computing.Ubiquitous computing.

Introduction to Software Engineering – Nguyễn Minh Huy

Basic conceptsBasic concepts

^ Types of software:Types of software:

^ Users: general, specific.Users: general, specific.

^ Purposes: utility, business, game.Purposes: utility, business, game.

^ Hardware access level: system, tool, app.Hardware access level: system, tool, app.

^ Computer devices: server, desktop, mobile.Computer devices: server, desktop, mobile.

^ Internet: web, desktop.Internet: web, desktop.

Introduction to Software Engineering – Nguyễn Minh Huy

Basic conceptsBasic concepts

^ Software engineersSoftware engineers –

• Who are you?Who are you?

^ Who are trained to join the field.Who are trained to join the field.

^ Have knowledge and professional skills.Have knowledge and professional skills.

^ Software engineer vs.:Software engineer vs.:

^ Programmer, developer.Programmer, developer. ^ Hardware engineer?Hardware engineer? ^ System engineer?System engineer?

^ Social position??Social position??

Introduction to Software Engineering – Nguyễn Minh Huy

ContentsContents

^ Basic concepts.Basic concepts.

^ Software qualitySoftware quality

..

^ Brief history.Brief history.

^ Software engineering career.Software engineering career. Introduction to Software Engineering – Nguyễn Minh Huy

Software qualitySoftware quality

^ How is good software?How is good software?

^ As developers:As developers:

^ MaintainabilityMaintainability: easy to fix.

: easy to fix.

^ ExtensibilityExtensibility: easy to update.

: easy to update.

Introduction to Software Engineering – Nguyễn Minh Huy

ContentsContents

^ Basic concepts.Basic concepts.

^ Software quality.Software quality.

^ Brief history.Brief history.

^ Software engineering career.Software engineering career.

Introduction to Software Engineering – Nguyễn Minh Huy

Brief historyBrief history

^ Stage 2: TeenagerAStage 2: TeenagerA

^ NATO conference 1968.NATO conference 1968.

^ Apply scientific methods:Apply scientific methods:

^ Discipline.Discipline. ^ Professional approaches.Professional approaches.^ WellWell

• -organized activities.organized activities. ^ WellWell
• -organized activities.organized activities.

^ Software process:Software process:

^ WellWell-

-defined stepdefined step-

-byby--steps.steps.

^ Predictable.Predictable. ^ Technical documents.Technical documents.

Introduction to Software Engineering – Nguyễn Minh Huy

Brief historyBrief history

^ Stage 3: GrownStage 3: Grown-

-upAupA

^ User needs:User needs:

^ More complex.More complex. ^ Frequently change.Frequently change.

^ HeavyHeavy-

-weight process.weight process.

^ Rapid, iterate methods.Rapid, iterate methods.^ Rapid, iterate methods.Rapid, iterate methods.

Rapid application development (RAD):Rapid application development (RAD):^ ^

Split development into loops.Split development into loops.  Get feedback frequently.Get feedback frequently.  Reduce documents.Reduce documents.  People oriented.People oriented.

Introduction to Software Engineering – Nguyễn Minh Huy

Software engineering careerSoftware engineering career

^ The big picture:The big picture:

^ Standish Group, 2011Standish Group, 2011 -

• 2015:2015:

^ 20% FAILED!20% FAILED! ^ 50% HAVE PROBLEMS!50% HAVE PROBLEMS! ^ 30% SUCCESSFUL!30% SUCCESSFUL!

^ No silver bulletANo silver bulletA

^ No silver bulletANo silver bulletA

^ Software process.Software process. ^ High level language (2High level language (

ndnd, 3, 3

rdrd).).

^ Object Oriented Programming.Object Oriented Programming.thth ^44

• -generation programming language.generation programming language.

Introduction to Software Engineering – Nguyễn Minh Huy

Software engineering careerSoftware engineering career

^ Work characteristics:Work characteristics:

^ AdAd-

-hoc (often).hoc (often).

^ High work pressure:High work pressure:

^ Overtime work (OT).Overtime work (OT). ^ “Worker in the office”.“Worker in the office”. Obsolete knowledge and technologies.Obsolete knowledge and technologies.

^ Obsolete knowledge and technologies.Obsolete knowledge and technologies.

^ High competitive.High competitive. ^ “No country for old men”.“No country for old men”.

Introduction to Software Engineering – Nguyễn Minh Huy

ProjectProject

^ Project preparation:Project preparation:

^ Registration: team members & project name.Registration: team members & project name.

^ Working rules: all members must follow.Working rules: all members must follow.

^ Workspace:Workspace:

^ Team website:Team website:

Team information: members, rules, project description.Team information: members, rules, project description. Team information: members, rules, project description.Team information: members, rules, project description.  Project schedule: weekly plan, report, and resources.Project schedule: weekly plan, report, and resources. ^ Working place.Working place.

^ KickKick-

-off meeting.off meeting.

Introduction to Software Engineering – Nguyễn Minh Huy

DiscussionDiscussion

^ Career path:Career path:^ Think about your “CAREER PATH”:Think about your “CAREER PATH”:

• • Draw time arrow, 4 milestones: graduate,5Draw time arrow, 4 milestones: graduate,5-

-year,10year,10-

-year, 20year, 20-

-year.year.

• • Answer 3 questions at each milestone:Answer 3 questions at each milestone:

• Still work in software engineering? If no, why not?+ Still work in software engineering? If no, why not? + Expected work position?+ Expected work position?+ Expected work position?+ Expected work position? + Expected salary?+ Expected salary?

• • Describe final goals of your career path.Describe final goals of your career path. Introduction to Software Engineering – Nguyễn Minh Huy