• Tidak ada hasil yang ditemukan

Systems Analysis and Design

N/A
N/A
Protected

Academic year: 2019

Membagikan "Systems Analysis and Design"

Copied!
42
0
0

Teks penuh

(1)

Syst e m s An a lysis a n d

Syst e m s An a lysis a n d

D e sign

D e sign

D e sign

D e sign

Alan Dennis, Barbara Wixom , and David Tegardenega de

Ch a pt e r 1 5 : I n st a lla t ion a n d Ope r a t ion s

Copyright 2005

John Wiley & Sons I nc

Slide 1

(2)

Copyright © 2005

J h Wil

& S

I

John Wiley & Sons, I nc.

All right s reserved. Reproduct ion or t ranslat ion of t his All right s reserved. Reproduct ion or t ranslat ion of t his work beyond t hat perm it t ed in Sect ion 117 of t he 1976 Unit ed St at es Copyright Act wit hout t he express writ t en perm ission of t he copyright owner is unlawful.

p py g

Request for furt her inform at ion should be addressed t o t he Perm issions Depart m ent , John Wiley & Sons, I nc. The purchaser m ay m ake back- up copies for his/ her own The purchaser m ay m ake back up copies for his/ her own use only and not for redist ribut ion or resale.

The Publisher assum es no responsibilit y for errors, om issions, or dam ages, caused by t he use of t hese om issions, or dam ages, caused by t he use of t hese

(3)

I n st a lla t ion

■ Be fam iliar w it h t he syst em inst allat ion process.

■ Underst and different t ypes of conversion st rat egies and when t o use t hem .

■ Underst and several t echniques for ■ Underst and several t echniques for m anaging change.

■ Be fam iliar w it h post - inst allat ion processes.

(4)

K

I d

Ke y I de a s

Transit ioning t o new syst em s involves Transit ioning t o new syst em s involves m anaging change from pre- exist ing norm s and habit s.

Change m anagem ent involves:

Unfreezing - - loosening up peoples’ habit s

Unfreezing loosening up peoples habit s and norm s

Moving - - t ransit ion from old t o new syst em s

Refreezing - - inst it ut ionalize and m ake ffi i t t h f d i t hi

(5)
(6)

K

I d

Ke y I de a s

Post im plem ent at ion act ivit ies Post - im plem ent at ion act ivit ies include providing:

S t em ppo t h help de k

Syst em support, such as help desks

Syst em s m aint enance, fixing bugs and providing im provem ent s

providing im provem ent s

Proj ect assessm ent, learning how t o im prove from proj ect experiences

(7)
(8)

M i

t i

Pl

i

M igr a t ion Pla n n in g

What act ivit ies will be

What act ivit ies will be

perform ed when and by whom

Technical aspect s

– I nst alling hardw are and soft w are – Convert ing dat a

Organizat ional aspect s

– Training users on t he syst em

– Mot ivat ing em ployees t o use t he new

(9)
(10)

C

i

St l

Con ve r sion St yle s

Direct conversion

Direct conversion

The new syst em inst ant ly replaces t he old

Parallel conversion

For a t im e bot h old and new syst em s are used The old is syst em s are used. The old is abandoned w hen t he new is proven fully capable

(11)

C

i

L

t i

Con ve r sion Loca t ion

Pilot conversion Pilot conversion

One or m ore locat ions are convert ed t o w ork out bugs before ext ending t o ot her locat ions out bugs before ext ending t o ot her locat ions

Phased conversion

Locat ions are convert ed in set s Locat ions are convert ed in set s

Sim ult aneous conversion

All locat ions are convert ed at t he sam e t im e All locat ions are convert ed at t he sam e t im e

(12)

C

i

M d l

Con ve r sion M odu le s

Whole syst em conversion

Whole syst em conversion

All m odules convert ed in one st ep

Modular conversion

When m odules are loosely When m odules are loosely

associat ed, t hey can be convert ed one at a t im e

(13)
(14)

Ke y Fa ct or s in Se le ct in g a

C

i

St

t

Con ve r sion St r a t e gy

Risk Risk

Seriousness of consequences of rem aining bugs

Cost

Parallel requires paying for t w o syst em s for a period of t im e

period of t im e

Sim ult aneous requires m ore st aff t o support all locat ions

Tim e

(15)
(16)

Y

T

You r Tu r n

Suppose you are leading t he conversion Suppose you are leading t he conversion from one word processor t o anot her at your universit y.

y y

Which conversion st rat egy w ould you use?

Suppose you are convert ing t o a new web- based course regist rat ion syst em ?

(17)
(18)

Ke y Role s in Ch a n ge

M

t

M a n a ge m e n t

The sponsor is t he business person The sponsor is t he business person who init iat ed t he request for t he

new syst em new syst em

The change agent is t he person( s) h l d t h h ff t

w ho lead t he change effort

(19)
(20)

Un de r st a n din g Re sist a n ce

t Ch

t o Ch a n ge

What is good for t he organizat ion is What is good for t he organizat ion, is not necessarily good for t he

individuals who work t here individuals who work t here

Cost versus benefit of t ransit ion as ll f t b t

well as of t o- be syst em

Adapt ing t o new w ork processes

(21)
(22)

Re visin g M a n a ge m e n t

P li i

Policie s

No com put er syst em w ill be No com put er syst em w ill be successfully adopt ed unless

m anagem ent policies support it s m anagem ent policies support it s adopt ion

M t t l f t i

Managem ent t ools for support ing adopt ion

(23)

Y

T

You r Tu r n

I dent ify and explain t hree

I dent ify and explain t hree

st andard operat ing procedures

f

h

h h

for t he course in w hich you are

using t his book

g

Discuss w het her t hey are form al

or inform al

or inform al

(24)
(25)

M t i

t i

Ad

t i

M ot iva t in g Adopt ion

The inform at ion st rat egy aim s t o The inform at ion st rat egy aim s t o convince adopt ers t hat change is bet t er

bet t er

The polit ical st rat egy uses

i t i l t ti t

organizat ional power t o m ot ivat e change

Different iat e bet w een ready

adopt ers, reluct ant adopt ers, and

Slide 25

(26)

T

i i

Tr a in in g

Every new syst em requires new

Every new syst em requires new

skills

New skills m ay involve use of

t he t echnology it self

t he t echnology it self

(27)

W h t t T

i

W h a t t o Tr a in

Should focus on helping users

Should focus on helping users

accom plish t heir t asks

Use cases provide an out line for

com m on act ivit ies and a basis

com m on act ivit ies and a basis

t o plan t raining

(28)

T

f T

i i

Type s of Tr a in in g

Typ e s o f Tra ining Whe n Typ e s o f Tra ining

One -to -One Cla ssro o m

Whe n

Wo uld Yo u Use Eac h o f Th

Co mp ute r-Ba se d The se

(29)
(30)
(31)

I n st it u t ion a liz a t ion of t h e

S

t

Syst e m

Provide support Provide support

Assist ance in using t he syst em

Provide m aint enance Provide m aint enance

Repair or fix discovered bugs or errors

Add m inor enhancem ent s t o provide added Add m inor enhancem ent s t o provide added value

Assess t he proj ect Assess t he proj ect

Analyze what was done well

Discover what act ivit ies need im provem ent in

Slide 31

(32)

T

f S

t

S

t

Type s of Syst e m Su ppor t

On dem and t raining at t im e of

On- dem and t raining at t im e of

user need

Online support

Frequent ly asked quest ions ( FAQ) Frequent ly asked quest ions ( FAQ)

Help desk

(33)

S

t

M i t

Syst e m M a in t e n a n ce

Syst em m aint enance is t he

Syst em m aint enance is t he

process of refining t he syst em

k

t o m ake sure it cont inues t o

m eet business needs

(34)

S

f Ch

R

Sou r ce s of Ch a n ge Re qu e st s

Operat ions group problem

Operat ions group problem

report s

User request ed enhancem ent s

Ot her syst em developm ent

Ot her syst em developm ent

proj ect s

(35)
(36)

P

j

t A

t

Pr oj e ct Asse ssm e n t

I m port ant for cont inued proj ect

I m port ant for cont inued proj ect

im provem ent

Especially im port ant for j unior

personnel t o im prove quickly

(37)

P

j

t T

R

i

Pr oj e ct Te a m Re vie w

Each m em ber prepares 2 3 page Each m em ber prepares 2- 3 page docum ent regarding her or his

act ions during t he proj ect act ions during t he proj ect

Focus on im provem ent not penalt ies Excellent behaviors are

acknow ledged and diffused t o ot hers

Team leader sum m arizes and

Slide 37

(38)

S

t

R

i

Syst e m Re vie w

Exam ine t he ext ent t o which

Exam ine t he ext ent t o which

t he cost s and benefit s of t he

l

d

syst em are realized

Use t his inform at ion t o help in

Use t his inform at ion t o help in

m ore accurat ely est im at ing

(39)

How did t he conversion go at

How did t he conversion go at

CD Select ions?

What did CD Select ions do t o

aid change m anagem ent

aid change m anagem ent

processes?

What were t he post

What were t he post

-im plem ent at ion act ivit ies at CD

Slide 39

(40)

S

Su m m a r y

Conversion is t he t echnical process

Conversion is t he t echnical process of replacing t he old syst em w it h t he new one Designers select t he

new one. Designers select t he

m et hod, t im ing, and locat ion of t he conversion process

conversion process.

Change m anagem ent is aim ed at

h l i t t d t t h

(41)

S

Su m m a r y

Post im plem ent at ion act ivit ies Post im plem ent at ion act ivit ies

provide on- going support t o users, include t raining people t o use t he include t raining people t o use t he syst em and provide part icipant s in t he developm ent process t he

t he developm ent process t he

opport unit y t o learn and grow from t heir experiences

t heir experiences

(42)

E

di

t h

D

i

Ex pa n din g t h e D om a in

An excellent source of inform at ion An excellent source of inform at ion all aspect s of t raining Com put

er-Based w eb based and classroom is Based, w eb- based, and classroom is t he Am erican Societ y for Training

and Developm ent : and Developm ent :

Referensi

Dokumen terkait

[r]

Berdasarkan Surat Penetapan Pemenang Lelang Nomor : 07/TAP/DISTAMBEN-03/POKJA/2016 tanggal 02 September 2016 tentang Penetapan Pemenang Lelang Paket Pekerjaan Pembangunan Sumur

Pendaftaran hak atas tanah menurut Pasal 19 UUPA ditujukan kepada pemerintah agar melakukan pendaftaran tanah-tanah di seluruh wilayah Republik

Formulir Penjualan Kembali Unit Penyertaan yang telah lengkap dan diterima secara baik ( in complete application ) serta telah memenuhi persyaratan dan ketentuan yang tercantum

1.6.3 Berbicara untuk mendapatkan dan menyampaikan maklumat dengan tepat tentang sesuatu perkara daripada pelbagai sumber menggunakan penanda wacana yang betul

Jumlah konversi pada biaya sudah sesuai dengan metode pembayaran PAMSIMAS Desa Rejosari dengan nilai rata- rata kesalahan sistem 0.003 % dan sistem monitoring SMS gateway

Kelompok Kerja Jasa Konsultansi Unit Layanan Pengadaan Barang/Jasa Kabupaten Lamandau mengumumkan pemenang seleksi sederhana untuk Pekerjaan Jasa.. Pengawasan Pembangunan Gedung

Sesuai dengan yang dipersyaratkan dalam Dokumen Lelang, pada saat Pembuktian Kualifikasi Calon Penyedia Agar membawa :.. Dokumen Asli Perusahaan dan