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Presentation By

Kanku Baruah

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Data Flow Diagram of a Laptop Assembling Plant

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Key process: To assemble laptop & record quantities produced.• List of activities:• Gather components.• Check for damaged components.• Queue components for integration.• Integrate components• Check for errors in the integration• Install software.• Create documents(warranty cards, manual etc.).

• Entities:• Components, Assembly, Check hardware attachment,

Software, Record & documentation.

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Creation of Context level DFD

• components components to be assembled

assembled

Gathering & checking Install software

assemble parts record

0.0assembl

ing Process

components

AssemblyRecord &

documentation

Laptop

Software

Check hardware

attachment

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Construction of Level 0 DFD

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• check components

• Dead Components

• • queue components for attachment

• Parts to assembled

•

Attach missing parts check

• Check for damaged parts

• damaged parts found• software installation

• recordtion

1.0 Start

assembly

2.0 Attach

components

3.0 Check

hardware

attachment

4.0 Install

software

5.0Record and documenta

tion

Gather componen

ts

Assemble parts

Check house

Software house

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•Construction of Level 1- n DFD

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1.1 Repair componen

t withmalfunctio

n Components

1.3 procee

d to attach components

1.2 Verifyin

g station

If error found

If no errors are found

Level 1 DFD

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Construct level 1 (continued..)2.1 Assemble casing

& keyboar

d

2.2 Attach LCD &

motherboard

2.3Attach

microprocessor & micro

chip2.4

Attach peripherals and

hard disk

Casing & keyboard

LCD & motherboard

Microprocessor & chip

Peripherals & HD

2.5Attach cables

and close

casing

Cables & screws

Attach

battery

battery

Completion of components gathering

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Construct level 1 (continued..)

3.2 Hardware checking

& reinstalling station

Supply power & check BIOS menu

3.1 Check working

condition of laptop

Error detected

On completion

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Construct level 1 (continued..)

4.1 Check

for software

4.2 Install

software

Compatible software found

Required software

Compatible software

software

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Construct level 1 (continued..)

5.3warranty card

5.4 User

manual

5.1Product ID recognisatio n &

record no of laptops

produced

5.2 Softwar

e ID

Product code & MAC address

Product key entry & verification

Print warranty card against MAC ID

Create user manual

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Process Decomposition

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0.0assembl

ing Process

1.0 Startassembl

y

2.0 Attach

components3.0

Check hardwar

e attachm

ent

4.0 Install

software

5.0 Record

and documentation

1.1Components store

1.2 Verifyi

ng station

1.3 proceed

to attach

components

2.1 Assemble casing &

keyboard

5.4 User

manual

5.3warran

ty card

5.2 Software ID

5.1Product ID recognisation

4.1 Check

for compati

ble softwar

e

4.2 Install softwa

re

3.1 Supply

power & check BIOS menu

3.2 Hardwar

e checkin

g & reinstalli

ng station

2.2 Attach LCD & motherboard

2.3Attach

microprocessor

& micro chip

2.4 Attac

h peripherals and hard disk

2.5 Attach

battery

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THANK YOU!!

Kanku’s