SDLC - ICT Grade 11 Chapter 2 Tute Tamil Medium Sri Lanka

1. jfty; Kiwik tpUj;jpr; nrad;Kiw
Kiwik(System) vd;why;…
ahNjDnkhU nghJ Nehf;fj;ij
miltjw;nfd ,ilj; njhlu;Gfisf; nfhz;l
$Wfspd; njhFg;Ng Kiwik vdg;gLk;.
Kiwiknahd;wpd; mbg;gilf; $Wfs;
,J %d;W mbg;gilf; $Wfisf; nfhz;lJ.
jfty; Kiwik (Information System)
juTfis> jfty;fshf khw;Wk; KiwikNa
jfty; Kiwik vdg;gLk;.
jfty; Kiwikia gpujhdkhf ,U
tifg;gLj;jyhk;. mit
I. ifKiwj; jfty; Kiwik (Manual System)
II. fzpdpia mbg;gilahff; nfhz;l jfty;
Kiwik(Computer Based Information System)
I. ifKiwj; jfty; Kiwik
,k;Kiwikapy; vy;yh Kiwtopg;gLj;jy;fSk;
egu;fspd; iffshy; Nkw;nfhs;sg;gLk;.
Eg: ghlrhiyapy; khztu; mDkjp ngWk;
ifKiwj; jfty; Kiwik.
fzpdpia mbg;gilahff; nfhz;l jfty;
Kiwik
fzpdp %yk; juTfs; jfty;fshf khw;wg;gLk;
KiwikNa fzpdpj; jfty; Kiwik
vdg;gLk;.
cs;sPL
(Input)
Kiwtopahf;fk;
(Processing)
ntspaPL
(Output)
juT
(Data)
Kiwtopahf;fk;
(Processing)
jfty;
(Information)
Kiwik tpUj;jpr; nranyhOq;F
jfty; Kiwik tpUj;jpapy; MAs; tl;lk;
(system development life cycle)
gpujhdkhdjhFk;.
Kiwik tpUj;jp tho;if tl;lk;
,jd; Kf;fpa gbfs;
1. Njitfis ,dq;fhzy;
(Identification of requirements)
2. jPu;tpid tbtikj;jy;
(Designing the solution)
3. jPu;tpid FwpKiwg;gLj;jy;
(Coding of the solution)
4. jPu;tpid Nrhjpj;Jg; ghu;jYk; jtW
ePf;FjYk; (Testing and debugging)
5. jPu;tpid eilKiwg;gLj;jy;
(Deployment of the solution)
6. Kiwikiag; guhkupj;jy;
(Maintenance of the system)
1. Njitfis ,dq;fhzy; (Identification of
requirements)
 mtjhdpg;G (Observation)
 Neu;fhzy; (Interview)
 tpdhf;nfhj;J (Questionnaire)
 gjpTfs; kw;Wk; Mtzq;fis Muha;jy;
(Document sample collection)
 %ytifkhjpup cUthf;fk; (Prototyping)
2. jPu;tpid tbtikj;jy; (Designing the
solution)
• nkd;nghUs; fl;likg;ig(Software
architecture) ,dq;fhzy;
• gaeu; ,ilKfk; (User interface)
• gpujhd td;$Wfs;
• Nrhjidj; jpl;lj;jpid (Test plans)
Nkw;nfhs;sy;
3. jPu;tpid FwpKiwg;gLj;jy;
(Coding of the solution)
4. jPu;tpid Nrhjpj;Jg; ghu;jYk; jtW ePf;FjYk;
(Testing and debugging)
• myFr; Nrhjid
• KOikf; Nrhjid
• Kiwikr; Nrhjid
• Vw;Gilikr; Nrhjid
gz;Gfs;
(jfty;fisg;)
jfty; Kiwik
ifKiw fzpdp Kiw
Kiwtopahf;fj;jpy;
(jtWfs;)
Vw;gly;
tha;g;Gfs;
kpff;FiwT
Kiwtopg;gj;jy; mjpf fhyk; FWfpa fhyk;
Nrkpj;;jy; mjpf ,ltrjp Fiwe;j ,ltrjp
ghJfhg;G FiwT mjpfk;
jfty; Kiwik tpUj;jpr; nrad;Kiw
(system development life cycle)
By: Raza Malhardeen (IT Instructor) All rights Reserved © Mraza.edu@gmail.com | Page 01

2. 5. Kiwikia epWTjy; (Implementation the
system)
 jtW ePf;fg;gl;l Gjpa Kiwikia epWTjy;
,e;jg; gbapy; Nkw;nfhs;sg;gLk;
 Kiwikia epWTk; Kiwfs;
• Neubahfr; nraw;gLj;jy; (Direct
Implementation)
• Rkhe;jukhf nraw;gLj;jy; (Parallel
Implementation)
• nts;Nshl;l Kiwr; nraw;gLj;jy; (Pilot
Implementation)
• fl;lq;fshfr; nraw;gLj;jy;(Phase
Implementation)
6. Kiwikiag; guhkupj;jy; (Maintenance of the
system)
• Kiwikiag; guhkupf;Fk;NghJ tpUj;jp
nra;ag;gl;l Kiwikapy; Nkw;nfhs;sg;gl
Ntz;ba khw;wq;fs;
• Gjpjhf ,dq;fz;l gaeu; Njitfis
Kiwikapy; cl;gLj;jy;
• Kiwikiag; guPl;rpf;Fk; NghJ
,dq;fhzg;glhjJk; Kiwikiar;
nraw;gLj;Jk; NghJ ,dq;fhzg;gl;lJkhd
rpWgpur;rpidfSf;Fj; jPu;tpid toq;Fjy;
• etPd njhopDl;g Nkk;ghl;il Kiwikapy;
GFj;Jjy; %yk; Kiwikapd; tpidj;jpwid
Nkk;gLj;jy;
Kiwik tpUj;jp khjpupaq;fs;
• ,jpy; Mas; tl;lj;jpy; gy;NtW khjpupaq;fs;
cs;sd.,jpYs;s xt;nthU %ykhfTk;
Kiwia tpUj;jp mZFKiw gy;NtW
topfspy; eilKiwg;gLj;jg;gLk;.
• ePu;tPo;r;rp khjpupak; (Waterfall Model)
• Clhl;l tpUj;jp khjpupak; (Iterative Model)
• %ytif khjpupak (Prototype Model)
• RUspAU khjpupak; (Spiral Model)
SPACE FOR YOUR NOTES
NEWOLD
NEW
OLD NEW
OLD
OLD
NEW
N
E
W
OLD NEW
O
L
D
N
E
W
N
E
W
O
L
D
ePu;tPo;r;rp khjpupak; (Waterfall Model)
• Kjypy; Njitfs; ,dq;fhzg;gl
Ntz;Lk;
• xU gbKiw Guzkhd gpd;dNu mLj;j
gbKiw Muk;gpf;fg;gl Ntz;Lk;
• tpUj;jp nra;Ak; Kiwikapd; ,Wjpg;
ngWNgw;iw ,Wjpf; fl;lj;jpNyNa
fhzKbAk;. ,jd; fhuzkhf
vjpu;ghuhj ngWNgWfs; fpilf;fyhk;.
TypedBy:NismaNilaam
By: Raza Malhardeen (IT Instructor) All rights Reserved © Mraza.edu@gmail.com | Page 02