Lot 274- ICT - Grade 11 ( Sinhala) - edupub.gov.lk

1 PBfkd f,a fnod ye u msKsihs87fuu mdvu yeoE fuka Tng" wxls; .%dmslhkays uQ,sldx..%dmslhl Od ;dj yd ixfldapkh .%dmsl m%rEm .%dmsl uD ldx. Nd ;fha uQ,sldx. i lrK uQ,sldx. cHd ;sl jia;= yd yev;, rduq j . i lrKh fnod ye u Y%jH m .; ls u nyq udOH ixialrKh Y%jH-oDYH ixl,kh iy i lrKh ms<sn| j wjfndaOhla ,nd .ekSug yels jkq we;'4'1 wxls; .%dmsl (Digital graphic) isf;a we;s jk is;= ,a,la fyda weig wiq jk iq fYaI jQ oiqkla .,a m;=rl" ,S m;=rl fyda lvodishl rEm lrkakg;a mdg .,aj ka yev lrkakg;a wE; w;S;fha mgka ksid mqre j is fha h' rEm" woyia m%ldY ls f m%Odk udOHh jQ nj mer ;= is;=j gq g wmg wjfndaO f ' tfia u tys is jQ fkdfhl=;a wvq yq~ql fyda w;a jer ksjer lr.

2 EkSug;a wjYH j K ixl,kh lr .ekSug;a Tyqg fndfyda fjfyi orkakg is we;s nj tjeks rEm wmg meye ,s f ' tfy;a ;dlaIKfha hqKqj;a iu. u wm i;= jQ m .Kl .%dmsl uD ldx. ka fkdfhl=;a wdldrfha .%dmsl ks udKh ls u yd ks udKh lr .;a .%dmsl wjYH wdldrhg ixialrKh lr .ekSu b;d ir, fuka u fkda ;aul lghq;a;la we;' m .Kl .%dmsl uD ldx. Nd ;fhka ks udKh lrkq ,nk ;% fyda rEm" wxls; .%dmsl f,iska ye kaf '4nyqudOH Nd ;hfkd f,a fnod ye u msKsihs88wxls; .%dmslhl uQ,sldx. fudkjd oehs y kd .ksuq' ^rEmh 4'1&mslai,aPixel fNaokhResolutionm%udKhSizej KhColourwxls.

3 %dmslhl uQ, 4'1 - wxls; .%dmslhl uQ,sldx. mslai,a (Pixel) mslai,hla hkq wxls; .%dmslhl uQ,sl ;ekq tAllhhs' wm iska krUkq ,nk wxls; .%dmslhla mslai,a oyia .Kklska ks udKh we;' fuu mslai,a" fma<s iy ;Sr f,iska tlsfklg hd jk wdldrhg b;d < ska ilia we;s w;r .%dmsl ks udKh f ' ^rEmh 4'2 .%dmslhla RcqfldaKdi%dldr mslai,a wrdjla ^array r fuh gq wkqrEms;hla ^bitmap& f,iska o ye kaf 'mslai,mslai, wdrdjlamslai, fma<shlamslai, ;Srejla Yd, lrk ,o rEmhlarEmh 4'2 - mslai, m%udKh m .Kl ;srfhys m%udKhg fyda uq K lvodisfha m%udKhg fyda wkqj Yd, fyda l=vd fyda l< yels h' fuys fjkia jkafka mslai,fha m%udKhhs' wvq mslai, m%udKhla we;s.

4 %dmslhla k th Yd, f tys .=Kd;aul nj wvq f ^rEmh 4'3&'PBfkd f,a fnod ye u msKsihs89rEmh 4'3 Yd, f .=Kd;aul nj wvq fhdod we;s j K" mslai,hl gq m%udKh ksfhdackh lrkq ,nhs' fuh mslai,hlg we;s gq m%udKh ^Bits Per Pixel-Bpp& f,iska oelaf ' gq m%udKh je mslai, iys; .%dmslhla .=Kd;aul n ka by< h' mslai,hl j K iy gq m%udKh mslai,hl gq m%udKh ;SrKh jkafka .%dmsl ks udKfha fhdod .kq ,nk j Khkag wkqj h' gq tlla ksfhdackh jk j K .Kk gq folla ksfhdackh jk j K .Kkj K folls0}1j K 4lss00011011}.%dmslhla ks laIKh ls fuka mslai,hl we;s j K m%udKh ;SrKh l< fkdyels h' kuq;a mslai,hg we;s gq m%udKfhka mslai,hg fhdod we;s j K.

5 Kk fidhd .; yels f ' ta i|yd fuu Y%s;h fhdod .; yels h'mslai,hl j K m%udKh }(2)bpp^mslai,hlg we;s gq m%udKh&Wod - mslai,hg we;af;a gq 4 la k "mslai,hl j K m%udKh } ^2&4} 2 2 2 2} j K 16ls'tfia k j K m%udKh okakd g gq m%udKh fidhd .ekSu i|ydmslai,hl gq m%udKh } j K} 16mslai,hl gq m%udKh } 4fkd f,a fnod ye u msKsihs90 gq 1 gq 4 gq 8 gq 24 mslai,hlg we;s gq m%udKh ^Bits per pixel hj K .Kk1 bpp (2)122 bpp (2)243 bpp (2)3816 bpp (2)166553624 bpp (2)2416777216^j K ,shk 16'7&32 bpp (2)324294967296 j K^j K ,shk 4294&.

6 %dmsl fNaokh (resolution)175 mslai,a 250 mslai,^45"500 mslai,&rEmh 4'4 - .%dmsl fNaokhwxls; .%dmslhl fN!;sl m udKh ^Physicaldimension& uekSf tallh mslai,a jk w;r fN!;sl m udKh .%dmsl fNaokh ^Imageresolution& f,iska oelaf ' ^rEmh 4'4 ;%h mslai, 250 la m<,ska iy 175la Wiska hqla; h' tys .%dmsl fNaokh ^Imageresolution& mslai, 250 175 fyda mslai, 43"750 f,iska oelaf 'mslai, m%udKh je " Wiia fNaokhlska ^High resolution = wxls; ;%lhla by< .=K;aul njlska hq;= h' .%dmslhl .=Kd;aul nj ;SrKh ls f j . w ,lg we;s mslai, m%udKh ^pixels per inch-ppi& fyda j.

7 W ,lg we;s ;s;a m%udKh ^dots per inch-dpi& ^rEmh 4'5& fldmuK m%udKhla oehs fidhd nef,a'rEmh 4'5 - w ,lg we;s ;s;a m%udKhPBfkd f,a fnod ye u msKsihs91 j K wxls; .%dmslhla mslai, oioyia .Kkl tl;=jla nj .;af;uq' iEu mslai,hla u j Khla ksfhdackh lrhs' tfia k mslai,h h lsis j Khla iys; l=vd ;s;ls' j K ix>gl ixl,kh fuka ks udKh jk idudkH msh weig y kd .; yels j K ,shk 16la muK we;;a ta iEu j Khla u ksjer j fjka lr y kd .ekSu wmyiq ld hhls' ^rEmh 4'6&mdrc nq, (Ultra Violet) (Infrared) wfOdarla;msh weig y kd .; yels j KrEmh 4'6 -msh weig y kd.

8 ; yels yd fkdyels j K wxls; .%dmsl ks udKfha fndfyda j K fhdod .; yels w;r tu ks udKh m%;sodkh lrk Wml%uh fyda udOHhg ^rEmh 4'7& wkqj ks udKfha fhdod .; hq;= j K wdfoaYlh ^Colour models& l=ula oehs ;SrKh l< hq;= h'nyq, j Nd ; jk j K wdfoaYl foj .hls' tk "CMYK wdfoaYlh(CMYK model)j K wdfoaYl(Colour models)RGB wdfoaYlh(RGB model)rEmh 4'7 -j K wdfoaYl RGB wdfoaYlh ^RGB model& - nyq, f,i Nd ; jk RGB wdfoaYlh j Kj;a wdf,dal ^Coloured lights& wdOdrfhka rEmjdyskS fyda m .Kl ;sr u; rEm ks udKh ls f fhdod .kq ,nhs' fuys uQ,sl j K ^Primary colours& jkafka r;=" fld< iy ks,a ^Red, Green and Blue& j Khs' CMYK wdfoAYlh ^CMYK model Ska; ^Coloured inks& wdOdrfhka lvodis u; rEm uq Kh ls f CMYK j K wdfoaYlh Nd ; f ' fuys uQ,sl j K ^Primary colours& jkafka <d ks,a" o " ly iy l ^Cyan,Magenta,Yellow, Black& j Khs'fkd f,a fnod ye u msKsihs92uQ,sl j Kdf,dal ^RGB& Y% fuka oa ;Shsl j K iEfoa'oa ;Shsl j K ^CMYK& ;Ska; Y% fuka uQ,sl j K ^RGB& iEfoa'rEmh 4'8 - j K ixfhdackhwxls.

9 %dmslhl fhdod .kakd j K tys ksrEmKh jk f;dr;=re jgyd .; yels h' tu ksid rEmfhys .=Kd;aul Ndjh r|jd .ekSug j K fndfyda f,iska Wmld f ';ks j K uQ,sl j K ^Primary colours& f,iska o" j K folla tl;= fuka iEfok j K oa ;Shsl j K ^Secondary colours& f,iska o" j K ;=kla tl;= fuka iEfok j K ;D;Shsl j K ^Triplet colours& f,i o ye kaf ' uQ,sl j Khl m%fNao 256 la ^0 - 255 olajd ';D;shsl j Khla idok wdldrh (Triplet Colour);D;shsl j K iE u i|yd j K m%fNao Y% jkafka 000" 000" 000 isg 225" 225" 225 olajd h' fuh zRGB TripletZ f,i ye kafjk w.

10 R th RGB^245" 102" 36& f,i fyda RGB ^F5" 66" 24& I oYu ixLHd wdldrfhka o oelaf ' ^rEmh 4'9&uQ,sl j K m%fNaorEmh 4'9 - ;D;Shsl j K Y%KhPBfkd f,a fnod ye u ixfldapkh (compression of graphic).%dmslhl m%udKh ;SrKh jkafka th ks udKfha fhdod .kq ,nk mslai, m%udKhg" f Ld m%udKhg yd fhdod .kq ,nk j K ixl,khg wkqj h' mslai, Yd, m%udKhlska hq;=" j Kj;a" Wiia fNaokhla iys; .%dmslhla by< m%udKhlska hqla; f ' tjeks .%dmslhla ;ekam;a ls f iy i fm%aIKh ls f is jk wmyiq;d .ekSu i|yd .%dmsl ixfldapkh ^Graphic compression& ls ug wjYH f '.