Competency 1.1

Nju;rr ; p 1.1: jftiyAk; mjd; rpwg;gpay;igAk; mbg;gilf; $WfisAk; Muha;jy; (Investigate the Basic building blocks of information and their characteristics) juT vd;why; vd;d? (What is Data) juT vd;gJ njspthd Mdhy; mHjkw;w kw;Wk; xOq;fw;w vz;fs;, vOj;Jf;fs;, xsp, xyp, glq;fs; Nghd;w tplaq;fshFk;. ,jidf; nfz;L ve;j tpjkhd jPHkhdj;jpw;Nfh my;yJ Kbtpw;Nfh tuKbahJ.

cjhuzk;: Rigupd; caUk; 160 cm, mtdJ ngau; m]P];> Nu[h nts;is epwkhdJ epah]pw;F fzpjj;jpy; 40 Gs;spfshFk; Nkw;nrhd;d cjhuzq;fspy; cs;s juTfuis Fwpg;gpl;l nrad;Kiwf;F my;yJ cl;gLj;jpdhyNa gpuNahrdkpf;fitahf khw;wkilAk;> ,t;thwhd xU epiyapy; ngWtjw;fhd raw data vdTk; miof;fg;gLk;.

xOq;fikg;Gf;F ,J jftiy

juTfs; Nrfupf;fg;gl;bUf;Fk; tbtq;fs;.(Forms of Data ) juTfy; gpd;tUk; tbtq;fspy; Nrkpf;fg;gl;bUf;Fk;. 1. vOj;J tbtq;fspy; (Text)  ,yf;fq;fs; (1>2>3>4>5……)  vOj;Jf;fs; (A-Z, a-z, m - /, …….)  FwpaPLfs; (;, +, -, …….)  tpN\l FwpaPLfs; (@, &, #,…….) 2. fw;Gy tbtq;fs; (Visual) 3. nrtpg;Gy tbtq;fs; (Audio)

jutpd; tiffs; (Type of Data) juthdJ gpd;tUk; 2 mbg;gilapy; gphpf;fg;gLk; 1. mstpw;Nfw;g kjpg;gplf;$ba juTfs; (Quantitative Data) vz;zpf;ifia/ vz;iz mbg;gilahff; nfhz;lit. ,jid  vz;fzpj nraw;ghLfSf;F ghtpf;fyhk;.  ,yf;f mbg;gilapy; thpirg;gLj;jyhk;.  ,yf;fq;fis tpQ;Qhd Kiwapy; thpirg;gLj;jyhk;. NkYk; ,e;j mstpw;Nfw;g kjpg;gplf;$ba juTfshdJ gpd;tUk; ,uz;L mbg;gilapy; mike;J fhzg;gLfpd;wJ. 1. khwhj juT (Discrete Data): ,j;juthdJ epiyahd NeH my;yJ KO vz;fspy; Fwpj;J fhl;lg;gLk;.

cjhuzk;: XH mZtpy; cs;s epAj;jpud;fspd; vz;zpf;if , shoe size, GtpapypUe;J R+upaDf;Fs;s J}uk;. 2. njhluhd (Continuous): ,JTk; ,yf;fj;jpy; gpd;dkhfNth my;yJ vz;Zk; vz;zhfNth Fwpj;Jf; fhl;lg;gLk;. NkYk; ,J mstpLtjd; %yk; ngw;Wf;nfhs;sg;gLk;. mNjNeuk; mbf;fb khwf; $ba ngWkhdq;fshf ,Uf;Fk;.

cjhuzk;: xUthpd; cauk; : 154 cm, fy;Kidapy; ntg;gepiy msT : 19.5 C 2 juj;jpw;Nfw;g kjpg;gplf;$ba juTfs; (Qualitative Data) – ,J vz;zpf;ifia / vz;iz mbg;gilahff; nfhz;ly;yhJ mbg;gilahff; nfhz;bUf;Fk;.

juj;ij

my;yJ

gz;ig

cjhuzk;: gpbj;j epwk;, gpwe;j ,lk;, tpUg;gkhd; czT, etc

jfty; (Information) jfty; vd;gJ xU Kbtpid vLf;ff;$baJk; my;yJ jPHkhdj;jpw;F cjtf;$baJk; Njitapid G+Hj;jp nra;af;$baJkhd xU nrad;Kiwf;F cl;gl;l juNt (Processed Data) jfty; vdg;gLk;.

cjhuzk;: epah]; tFg;gpy; 1k; ,lk;, wpah]; m`kl;il tpl epiw $batd; New;W Etnuypahtpy; mjp $ba kio tPo;r;rp gjpthfpAs;sJ

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NkYk; xU tplak; nrad;Kiwg;gLj;jg;gl;bUe;jhYk; mJ NjitapidAk; Nehf;fj;jpidAk; nghWj;Nj jftyh my;yJ juth vd jPHkhdpf;fg;gLk;. cjhuzk;: xU Fwpj;j tFg;gpy; fzpjg;ghlj;jpy; rpj;jpaile;j khztHfspd; njhif Fwpj;j ghl MrphpaUf;Fk;> ghlrhiyf;Fk; jftyhf ,Uf;Fk; mNj Neuk; fy;tpaikr;R mfpy ,yq;ifapy; khztHfs; njhlHghd Ma;tpd; NghJ Nkw;nrhd;d jfty; xU juthfNt Nehf;fg;gLk;.

jftypd; gz;Gfs; (Characteristic of Information)     

gpuNahrdkpf;fit> gaDs;sjhf ,Uf;Fk; mwpit $l;lhf; $bajhf ,Uf;Fk;. Fwpj;j fhyj;jpw;Fhpajhf ,Ug;gNjhL jPHkhdq;fis vLf;f cjTk;. Fwpj;j tplaj;Jld; njhlHghdjhf ,Uf;Fk; Gjpa tplakhf ,Uf;Fk;

jftypd; gad;fs; (Usefullness of Information)    

mwptpid tpUj;jp nra;tjw;F ehshe;j nraw;ghLfis Nkw;nfhs;tjw;F xU Fwpj;j tplaj;jpid jpl;lkpl xU Fwpj;j tplak; njhlHghf vjpHT $w

jftypd; juj;jpid cWjpg;gLj;Jtjw;fhd rpy mbg;gilfs; 1. njhlHGilajhf ,Uj;jy; (relavance) fpilf;fg;ngWk; jftyhdJ Fwpj;j tplak; njhlHgpy; jPHkhdk; vLf;fNth Fwpj;j tplak; njhlHgpy; mwptpid mjpfhpf;f jf;f tifapy; njhlHGgl;ljhf ,Uf;f Ntz;Lk;. 2. G+uzkhf ,Uj;jy; (Completeness) 3. rhpahdjhf ,Uj;jy; (Accuracy) 4. cupa Neuj;jpy; fpilf;ff; $bajhf ,Uj;jy; (Timeliness) 5. nghUj;jkhd Clfj;jpD}lhf fpilf;ff; $bajhf ,Uj;jy;

jftypd; ngWkjp (Value of Information)  Neuj;ij mbg;gilahff; nfhz;L jftiy kjpg;gply; jftypid ngWtjw;fhd Neuk; G+r;rpakhf ,Uf;Fk; NghJ jftypw;fhd ngWkjp mjpfkhf ,Uf;Fk;. mNjNtis Neuk; nry;yr; nry;y jftypw;fhd ngWkjp Fiwtile;J nry;Yk;. ,it “jfty;fs; gw;wpa nghd; tpjpfs;” (The Golden Rules of Information) vdg;gLk;. jftypd; ngWkjp

0

Neuk; NkYk; jftypd; ngWkjpahdJ jPHkhdk; vLj;jypd; jpwikiaAk; mbg;gilahff; nfhz;L fzf;fplg;gLfpd;wJ. mjhtJ

mjdhy;

Vw;glf;$ba

ed;ikia

jftypd; ngWkjp = jftypdhy; ngw;w ed;ikfs; - jftypw;fhd nryT cjhuzk;: gq;Fr; re;ij rk;ge;jkhd mwptpy;yhj xUtH mJ rk;ge;jkhd mwpTs;s xUthpd; cjtpAld; gq;Fr; re;ij rk;ge;jkhd xU mwpf;ifapid ngw;W mjd; tpisthf gq;Fr; re;ijapy; KjyPL nra;J fpilf;fg; ngWk; ,yhgkdJ mwpf;ifapid ngWtjw;fhf nryT nra;j njhifapid tplTk; $Ljyh ,y;iyah vd;gij nghWj;Nj jftypd; ngWkjp jq;fpAs;sJ. NkYk; jftypd; ngWkjpahdJ gpd;tUk; tplaq;fspYk; jq;fpAs;sJ.  kpfr; rupahd jd;ik (Accuracy)  nghUj;jg;ghL (Relevance)  ghJfhg;G (Secure)  jftiy nrd;wiltjw;fhd ghij (Accessible)  ,yFthdJ kw;Wk; rpf;fyhd jd;ik (Simple/complex)

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