2015- A/L ICT -MODEL PAPER PART-A&B

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Mr.MCM.Rasmy [B.Com.Computer Application] Brains-Kalmunai

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gFjp A mikg;Gf; fl;Liu

vy;yh tpdhf;fSf;Fk; ,j;jhspNyNa tpil vOJf

01. fPNo cs;s cUtpy; (Figure) fhl;lg;gl;Ls;s gha;r;ry; Nfhl;L tiuglk; kw;Wk;

Nghypf;FwpKiw gw;wpa ,idag;gf;fj;jpd; (Web page) xUgFjpia fUJf.

Figure: webpage (,izag;gf;fk;)

Nkw;Fwpj;j ,idag;gf;fj;ij cUthf;Fk; “Flow chart. html” vDk; Nfhg;gpy; Mtzj;jpd; xU gFjp

fPNo jug;gl;Ls;sJ. ,idag; gf;fj;ij fhl;rpg;gLj;Jtjw;F nghUj;jkhd xl;Lf;fis(tags) ,l;L Mtzj;jpd; ntw;wplq;fis epug;Gf.

Fwpg;Gf;fs;;:

1. Nkw;Fwpj;j ,idag;gf;fj;jpYs;s tpk;gj;jpd; Mjhu %yf;Nfhitapd; (Source file) ngah;

“Fun.jpg”’ MFk; ,jd; mfyk; kw;Wk; cauk; KiwNa 400, 350 MFk;

2. Sofronix vDk; nrhw;nwhlupy; gadh; Click nra;jJk; www.softronix.com ,Ue;J fc-pc.html vDk; gf;fk; fhl;rpg;gLj;jgl Ntz;Lk;.

http://www.softronix.com/

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<HTML>

<HEAD>

<TITLE> ICT</TITLE>

</HEAD>

<BODY>

<……………….>Introduction to Flow charts<………………….> and pseudo code<……………………>

<P> Flow chart is agraphical representation of an algorithm</P>

<…………………..> Flow chart symbols <………………………>

<P> A set of standard symbol is used to draw flow charts.</P>

<………………………………………….>

<LI> Terminator indicates the start </LI>

<LI> Process represents a command </LI>

</LI> I/O represents data input/output </LI>

<LI> Decisions</LI>

<LI> Flow lines show the direction of the data flow </LI>

</OL>

<…………………….> Pseudo codes <…………………………>

Pseudo code is a high level description of an <………………> algorithm for a computer

<H3> examples </H3>

<……………………………>

<LI> Begin

<………………………>

<LI> Input x,y

<LI> sum=x+y

<LI> Output sum

<………………….>

<LI> End

</UL>

<H2> Flow chart is a Fun!</H2>

<IMG …………….=………………………><p>

Source:-<……………………………………………………………………………………………………………………………...> Softronix

</A><p>

</HTML>

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02.

(a) (i) 7210 -9310 vDk; ngWkhzq;fis ,uz;bd; epug;G (Two’s Complement) vz;zpw;F khw;Wf.

vz;iz tiffFwpg;gjw;F 8 bits Ig; gad;gLj;Jf.

(ii) NkNy (i) y; ngwg;gl;l ,uz;bd; epug;G vz;fisg; gad;gLj;jp 7210 -9310 ,d; ngWkjpia fzpj;J tpilia ,uz;bd; epug;gp tbtpy; jUf.

(iii) gpd;tUk; gjpdWk vz;fis(Hexa Decimal) Jtpj (Binary) vz;fshf khw;Wf.

a. 9816

b. AF216

(b) fPNo fhl;lg;l;Ls;s ,yj;jpudpay; tpahghu epWtdq;fspd; tiffs; xt;nthd;iwAk;

RUf;fkhf tpsf;Ff.

Pure Brick

Brick and Click

Pure Click

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03.

(a) fzpdpj; njhFjpnahd;W byte ,dhy; Kfthpaplj;jf;fJk; (byte addressable) 43bit

Kfthpfisg; (address) gad;gLj;jp VjhtJ byte ,id jdJ epidtfj;Nj ngw;Wf;

nfhs;sf;$bajhfTk; ,Ug;gpd; ,e;epidtfj;jpy; gad;gLj;jf;$ba mjp$ba ghtid msT Tera

Byte (TB)y; vt;tsT? cq;fs; nra;Kiwfis njspthf fhl;Lf.

(b) fzpdp Kiwik (Computer System) xd;wpy; td;nghUSf;Fk; (Hardware), nkd;nghUSf;Fk;

(Software) ,ilapyhd njhlh;Glik (Relationship) ahJ?

(c) fPNo jug;gl;l nthd; epAkhd; (Von Neumann) fzpdp fl;likg;G tiuglj;ij fUJf.

Von Neumann Computer Architecture

Kfg;G milahsq;fs; A,B.C w;F toq;fg;gl;Ls;s kpfg; nghUj;jkhd gjq;fis ,l;L fPNoAs;s ml;ltidia epug;Gf

Kfg;G milahsq;fs; gjk;

A

B

C

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04.

(a) njhlh;Gepiyj; juTj;jsq;fspy; gykjpg;Gila gz;Gf;$Wf;Fk; (Multivalve Attribute) fyg;G

gz;Gf;$Wf;Fk; (Composite Attribute) ,ilapyhd NtWghl;bid cjhuzq;fSld; RUf;fkhf tptupf;Ff.

(b) gpd;tUk; ER tupg;glj;ij njhlh;Gepiy juTj;js ml;ltidf; fl;likg;Gf;fshf khw;Wf.

(c) juTj; jsj;jpYs;s khzth;fspd; juTfis cs;slf;fpa ml;ltidnahd;W fPNo cs;sthW cq;fSf;F jug;gl;Ls;sjhf fUJf.

Stn_ID Name District Grade Average_Mark

112 Ranjith Kandy 12 45.25

116 Sanka Colombo 11 63.25

117 Fowsan Colombo 13 41.23

123 Lasith Kurunegekala 11 85.23

127 Samun Badulla 12 66.20

135 Aravind Colombo 11 25.63

139 Prsanna Badulla 11 52.33

(i) juk; 12 tFg;gpy; fw;Fk; khzth;fspd; (Stn_ID kw;Wk; Name) tpguq;fis ngWtjw;fhd

SQl $w;wpid vOJf.

(ii) juk; 11 tFg;gpy; fw;Fk; Colombo khtl;j;ij kl;Lk; Nrh;e;j khzth;fspd; (Stn_ID kw;Wk;

Name) tpguq;fis ngWtjw;fhd SQl $w;wpid vOJf.

(iii) Average_Mark 50 njhlf;fk; 65 w;F ,ilg;gl;l khzth;fspd; (Stn_ID, Name kw;Wk; Grade)

tpguq;fis ngWtjw;fhd SQl $w;wpid vOJf.

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01.

(a) Xh; tptrahg; gd;idapdd ghJfhf;Fk; nghUl;L mjDs; fs;th; Eioa Kw;gLk; NghJ mJ gw;wp tptrhag; gdid fhtshspf;F mwptpf;Fk; rkpf;iQj; njhFjp fPNo fhl;lg;gl;Ls;sJ. ,jd; %ykhf tptrhag; gd;idapd; Kd;gf;f ,uz;L thay;fSk; (Gates) gpd;Gw ,uz;L thay;fSk; ghJfhf;fg;gLk;. ,jpy; ve;j thaiyNah jpwe;jhy; Mgj;J rkpf;iQ futp ,aq;fp xyp vOg;Gk;. ,e;j Rw;wpid eilKiwapy; gad;gLj;Jk; NghJ thay;fSf;Fhpa jUf;fthapy;fs; czupfSld;

(Sensors) ,izf;fg;gl;bUf;Fk; ,jpy; thay;fs; jpwe;Js;s epiyf;Fupa cs;sPL 1 vdTk;, %bAs;s re;jh;gj;jpy; cs;sPL 0 vdTk; nfhs;sg;gl;Ls;sJ. Fiwe;jgl;rk; VjhtJ xU Gydp nraYhf;fkilAk; NghJ ,t; Mgj;J rkpf;iQahy; xyp vOg;gg;gLk;.

(i) NkNy Fwpg;gpl;l Mgj;J rkpf;iQ xyp Kiwikapd; njhopw;ghl;bid tiff;fwpf;Fk; cz;ik ml;ltidia tbtikf;f.

(ii) Nkw;Fwpj;j cz;ik ml;ltidia tiff;Fwpf;Fk; g+ypad; Nfhitapid (Boolean Expression) ngWf.

(b) (i) gpd;tUk; nka;epiy ml;ltidia ckJ tpilj;jhspy; mt;thNw gpujp nra;J 4,5,6 Mfpa epuy;fis g+uzg;gLj;Jf.

1 2 3 4 5 6

A B C X=AB.(A+C) Y=(A+B) AC Z=AB.BC

0 0 1

0 1 0

0 0 0

0 1 1

1 0 1

1 1 0

1 0 0

1 1 1

(ii) NkNy (i) ePu; ngw;w 5 tJ epuYf;fhd jUf;fr; Rw;iw tbtikf;f.

02. (a) gpd;tUtdtw;wpw;fpilapyhd NtWghLfspid (Contrast) fhl;Lf

(i) Peer to peer vjph; Client-server tiyg;gpd;dy; khjphp

(ii) Intranet vjph; Extranet

(b) fzpdp tiyaikg;Gld; njhLf;fg;gl;Ls;s xU fzpdpapd; tiyaikg;Gj; jfty;fis

ghh;gjw;fhd “Ipconfig/all” vDk; fl;lis epiwNtw;Wtjd; %yk; ngwg;gl;l Ngw;wpd; Screenshot fPNo

jug;gl;Ls;sJ. ,ijg;gad;gLj;jp fPNo jug;glLs;s (i),(ii),(ii) Mfpa gFjpfSf;F tpil vOJf.

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(i) tiyaikg;G ,ilKf ml;il (NIC) cila MAC Kfthpia vOJf.

(ii) Fwpg;gpl;l fzpdpapd; jh;f;ftpay; Kfthpia (Logical Address) vOJf.

(iii) ,f; fzpdpapd; IP Kfthp vt;tifapid (Class) rhh;e;jJ.

(iv) ,f;fzpdp nraYhf;fKs;s cgrupg;Gf; fl;Lg;gl;L newpKiwr; Nritafj;Jld; (DHCP server) njhlh;GgLj;jg;gl;Ls;sjh? vkJ tpilia epahag;gLj;Jf.

(c) fPNo jug;gl;Ls;s tiyaikg;G tiffs; (Types of Networks) xt;nthd;iwAk; RUf;fkhf

tpghpf;F.

(1) MAN - efh;g;gug;G tiyaikg;G

(2) CAN - tshfg; gug;G tiyaikg;G

(3) DAN - Nkirg; gug;G tiyaikg;G

03.

Royal food Centre epWtdkhdJ jkJ epWtdj;jpy; nghUl;fs; Nritfis nfhs;tdT nra;Ak;

thbf;ifahsh;fSf;F SMART CARDid toq;Ffpd;wJ. ,t;ml;ilahdJ xt;nthU

thbf;ifahshpdJk; Name, NIC No, Address, Bank Account No, Bank Name Nghd;w milahs

jfty;fSf;F Nkyjpfkhf thbf;ifahshpd; njhopy;, njhopy; GhpAk; ,lk;, fld; ml;il rk;ge;jkhd jfty;fisAk; nfhz;bUf;fpd;wJ. thbf;ifahsh; xUth; ,e;epWtdj;jpy; nghUl;fis nfhs;tdT nra;Ak; NghJ gzj;jpw;F gjpyhf ,t;ml;ilaid gad;gLj;Jfpd;whh;. nfhLf;fy; thq;fy; ,lk;ngw;W %d;W Ntiy ehl;fSf;Fs; tq;fpahdJ epWtdj;jpd; fzf;fpy;; gzj;jpid tuT itf;fpd;wJ. ,g;gzj;jpid thbf;ifahsh; 60 ehl;fSf;Fs; tq;fpf;F nrYj;jy; Ntz;Lk;.

,e;epWtdj;jpd; thbf;ifahsh;fspy; 80% MNdhh; Smart Card Clhf nghUl;fs;

nfhs;tdT nra;tjpy; Mh;tk; nrYj;jpa NghjpYk; 20% Md thbf;ifahh;fs; khj;jpuk; ,t; ml;il kPjhd nfhLf;fy; thq;fypy; ehl;lk; nfhs;stpy;iy vd;gJ epWtdj;jpw;F Fiwahf mike;eJld; ,th;fSldhd nfhLf;fy; thq;fy;fspd; NghJ rpukk; Vw;gLtJkhf fhzg;gLfpd;wJ.

(a) thbf;ifahsh;fSf;F mt; ml;ilapid toq;Ftjdhy; epWtdj;jpw;F Vw;gLk; %d;W mDh$yq;fis vOJf.

(b) thbf;ifahsh;fs; ,t; ml;ilapid gad;gLj;Jtjdhy fpilf;Fk; mDh$yq;fs; ,uz;bid vOJf.

(c) 20% Md thbf;ifahsh;fs; ,t;tl;il kPJ ehl;lk; nfhs;shjpUg;gjw;fhd fhuzk; ,uz;L jUf.

(d) thbf;ifahshfs; ,t;tl;ilapid njhiyg;gjpdhy; mDkjpaw;wth;fs; gad;gLj;Jk; mghaj;jpid Fiwg;gjw;F gad;gLj;jf;$ba xU juT ghJfhg;G njhopEl;gj;jpid Fwpg;gpLf.

04.

(a) fPNo jug;gl;l $w;Wf;fs; epiwNtw;Wifapd; nghJ (Execute) igjd; nghUs;Nfhlypfspdhy;

(Interpreter)vd;d eilngWk; vd;gjid tpsf;Ff. ePq;fs; mjpy; <LgLj;jpa khwpfspd; tiffSk;

(variable Types) mt;tifapd; khw;wPLfSk; (Conversion) ,lk;ngWjy; Ntz;Lk;.

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X = 9.0

Y = 4

Z = X//Y

(b) gpd;tUk; igjd; nra;epuypd; $W;W mfuhjp (Dictionary)ia fUjp fPNoAs;s tpdhf;fs;

(i),(ii),(iii) Mfpatw;iw epiwNtw;Wk; NghJ vd;d eilngWk; vd;gjid tpsf;Ff.

Book = {‘ICT’ : ’John’, ’AgroTech’ : ‘Suresh’, ’Logic’ : ’Arun’, ’Political’ : ’Samintha’ }

(i) Print Book[3]

(ii) Print Book.keys()

(iii) Print Len(Book)

(c) jug;gl;l Ik;gJ epiwnadfspy; (Integer) 1,4,9,16,25,36,49 vDk; tPr;rpyhd vz;fis

fhl;rpg;gLj;jtjw;fhd igjd; nra;epuiy vOJkhW ePq;fs; Nfl;fg;gl;Ls;sPh;fs;.

(i) Nkw;$wgl;gl;l gpur;rpidiaj; jPh;g;gjw;F nghUj;jkhd newpKiwia (Algorithm)gha;r;rw; Nfhl;Lg;glj;jpy; Kd;itf;f.

(ii) NkNy (i) y; Kd;itf;fg;gl;l gha;r;rw; Nfhl;Lg;glj;jpw;F nghUj;jkhd igjd; nra;epuiy vOJf.

05. fPNo jug;gl;Ls;s epfo;it rpj;jupf;Fk; (ER) tupg;glj;ij tiuf. cq;fs; tupg;glj;jpYs;s

gz;GfSk; (Attributes) Kjd;ikr; rhtpfSk; (Primary keys) njspthf Fwpj;Jf;fhl;lg;gly; Ntz;Lk;.ePq;fs; vitnaDk; vLNfhs;fisg; gad;gLj;jpdhy; mtw;iw njspthf Fwpg;gply; Ntz;Lk;. (a) xU Construction jpidf;fskhdJ tPjp, ghyk;, tPL Nghd;w gy;NtW nraw;jpl;lq;fis

Nkw;nfhs;fpd;wJ. ,j;jpidf;fsj;jpdhy; Nkw;nfhs;sg;gLk; nraw;jpl;lq;fs; nraw;jpl;lg;ngah;,

nraw;jpl;lk eilngWk; ,lk;, nraw;jpl;l fhyk; vd;gtw;wpid cs;slf;Ffpd;wJ. nrwjpl;lq;fspid Nkw;nfhs;tjw;fhf ,j;jpidf;fsj;jpy; gy Cspah;fs; cs;sdh;. ,j;jpidf;fskhdJ Cspah;fspd;

juTfispid ngah;, Kfthp, ghy;, jpidf;fsj;jpy; ,ize;j jpfjp, njhiyNgrp ,yf;fk;,

(njhiyNgrp ,yf;fq;fshdJ jdpg;gl;l kw;Wk; trpg;gpl Mfpa ,U ,yf;fq;fis nfhz;Ls;sJ) Nghd;wtw;wpd; mbg;gilapy; NgZfpd;wJ. Cspah;fshy; nraw;gLj;jg;gLk; xt;nthU nraw;jpl;lq;fSk; jpidf;fsj;jpd; KOikahd fl;Lg;ghl;by; cs;sJ. xU nraw;jpl;lj;jpid nraw;gLj;Jtjw;F nraw;jpl;lj;jpd; jd;ikf;Nfw;g gy Cspah;fSk; xU Cspah; xNu Neuj;jpy;

xd;Wf;F Nkw;gl;l nraw;jpl;lq;fSf;Fk; nghWg;ghfTs;shh;. Dep_ID, Emp_ID, Pro_ID vd;gd KiwNa

jpidf;fsk;, Cspah;, nraw;jpl;lk; vd;gtw;wpid jdpj;Jtkhf milahsk; fhz gad;gLj;jg;gLk;.

(b) NkNy (a) y; ePu; tiue;j ER tupg;glj;jpy; vy;yhj; njhlh;GlikiaAk; xd;Wf;F xd;whd,

xd;Wf;F gythd, gyTf;F gythd vdg; ghFgLj;Jf. ckJ tpilapid epahag;gLj;Jf.

06.

,yq;ifapy; eilngWk; Njh;jy;fspd; NghJ 18 tajpw;F Nkw;gl;l ,yq;if gpui[fs; jkJ thf;Ffis nrYj;Jtjw;fhf xt;nthU khtl;j;jpYk; kl;Lg;gLj;jg;gl;l thf;fspg;G epiyaq;fspDy; fhiy 7.00 kzp njhlf;fk; khiy 3.30 kzp tiu jkJ thf;Ffspid nrYj;Jfpd;wdh;. ,t;thf;fspj;jy; nraw;ghl;bw;fhf xt;nthU thf;fspg;G epiyaq;fspYk; jyh 8 cj;jpNahf];jh;fs; epakpf;fg;gl;Ls;sdh;. mth;fs; thf;fspg;G epiyaq;fsf;F tUif jUk; thf;fhshpd; ml;ilAld;

Msilahs ml;ilia xg;gpl;Lg;ghh;j;jy;, Kfj;ij milahsk; fhzy;, thf;FrPl;il toq;Fjy; Nghd;w Nritfis Mw;Wfpd;wdh;. fhiy 10.30 kzp njhlf;fk; khiy 1.30 kzp tiu kpf mjpfkhd thf;fhsh;fs; thf;fspg;hw;F tUif jUtjdhy; ePa;l Neuk; tupirapy; epw;wy; Nghd;w rpukq;fspid vjph;Nehf;Ffpd;wdh;. xNu Neuj;jpy; 8 cj;jpNahf];jh;fSk; Ntiyfis nra;tjdhy; Ntiyg;gS fhuzkhf mjpUg;jpailtNjhL rpy Ntiyfspy; jtWfSk; Vw;gLfpd;wJ. mj;NjhL mf;Fwpg;gpl;l Neu,ilntspapNyNa Nghyp thf;FfSk; mspf;fg;gLtjw;F re;jh;g;gq;fSk; fhzg;gLfpd;wd.

,e;epiyikapid fUj;jpw; nfhz;L ,yq;if Njh;jy;fs; jpidf;fskhdJ rfy 18 tajpw;Fk;

Nkw;gl;l ,yq;if gpui[fSf;F Gjpa ,yj;jpuzpay; thf;F ml;il (E-Voting card) toq;Ftjw;F

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cj;Njrpj;js;sJ. ,t; ml;il xU eghpd; NIC No, Photo, Voting No, Full Name, Voting centre name, Centre No

kw;Wk; Address Nghd;w midj;J tplaq;fSk; ml;ilapd; rpy;ypDs; (Micro Chip) fsQ;rpag;gLj;jg;gLfpd;wJ. ,jw;fhd Kiwiknahd;W Njh;jy;fs; jpidf;fsj;jpdhy; mgptpUj;jp nra;ag;glNtz;bAs;sJ. thf;fhsh;fs; jkJ thf;Ffis xt;nthU gpuNjr nrayfq;fspYk; itf;fg;gl;Ls;s ,ae;jpuj;jpd; cjtpAld; ml;ilapid cl;nrYj;jp thf;Ffspid nrYj;j Ntz;bapUf;Fk;. ,t;KiwikapDhlhf thf;fspj;jypy; Vw;gLk; ,lh;fis ePf;Ftjw;F fzpdpkag;gLj;jyhdJ nghpJk; cjTk; vd;gij Njh;jy; Midahsh; jplkhf ek;Gfpd;whh;.

(a) Nkw;Fwpj;j Njh;jy; nraw;ghl;L Kiwikapy; njhopy; rhh;e;j Njitfs; (functional Requirements) %d;wpid vOjf.

(b) ,k;Kiwikapy; njhopy;rhuhj; Njitfs; (Non-Functional Requirements) ,uz;bidf; fz;lwpe;J epahaj;Jld; Fwpg;gpLf.

(c) Gjpa ,yj;jpuzpay; thf;F ml;ilapd; %yk; (e-voting card) Njh;jy; jpidf;fsk; ngWk; rhj;jpakhd ed;ikfs; ,uzbid vOJf.

(d) Njh;jy; jpidf;fskhdJ ,f;fzpdp Kiwikia mKy;gLj;JtjpYs;s ,lh;ghL xd;wpid Fwpg;gpl;L ckJ tpilapid epahag;gLj;Jf.

***

2015- A/L ICT -MODEL PAPER PART-A&B

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Transcript of 2015- A/L ICT -MODEL PAPER PART-A&B