tyaf ; fy;tp mYtyfk ; - rk;khe;Jiw f.ngh.j . ( rh.j ) ngWNgw;iw mjpfupg;gjw;fhd nraykHT – 2011

1. tyaf; fy;tpmYtyfk; - rk;khe;Jiwf.ngh.j. (rh.j) ngWNgw;iwmjpfupg;gjw;fhdnraykHT – 2011 ghlk; : jfty; njhlHghly; njhopDl;gtpay; Information Communication Technology ,lk; : fK/rJ/my;kH[hd; kfspHfy;Y}up rk;khe;Jiw

2. Advantages of removable storage • Kf;fpakhdjfty;fisg; gpujpvLj;jy;Back up copies of important information • fzpdpfSf;fpilapy; jfty;fisg; gupkhwy;Transporting data between two computers • NjitahdNeuj;jpy; gad;gLj;jy;> Nrkpj;jy;Storing software and Data that is not required to be access frequently • jfty;fisg; gpujpgz;zy;Copying information to be given to some one else. • Njitaw;wtu;fs; gad;gLj;jiyj; jLj;jy;Backing up Data to protect against unauthorized access. • Providing a method to make multiple copies of data. • Providing a method for extending storage.

3. (ii). • Simplex • Duplex • Half Duplex • Takes turns- one is listening while the other is talking. • Duplex • Both are talking-No effective Communication.

4. (iii) • Input : Purchase price of each itemand the total amountmentionedinthe bill.(xt;nthUnghUspdJk;tpiy> nkhj;jtpiyvd;gtw;iwmwpjy;.) Inform the cashier that the bill is incorrect.(fhrhsuplk; rpl;ilgpiovdnjupag;gLj;jy;.) • Process : • Add purchase price together and compare it with amountmentionedin the bill decide that it is incorrect.(xt;nthUnghUspdJk; tpiyapidf; $l;bnkhj;jtpiyf;Frkdhdjhvdmwpjy;.) • Output :

5. Efficiency or Speed -tpidj;jpwd; • Improve productivity • Reduce operational Cost • Easy of results analysis • Reliability – ek;gfj;jd;ik (iv).

6. Binary Number 1100 1110 (v). 12 14 Decimal Number Hexa decimal Number C E

7. 1024 (vi) 1 KB = 1024 Bytes 8 8 128 0 0 8 16 8 2 0 0 2 2000 octal

8. (vii) (a) DE MORGAN’S THEORAM 1 1 0 1 1 1 0 0 1 1 0 1 0 1 1 0 0 1 0 0

9. (b)

10. (viii)

11. begin • input: i. gzj;ijg; ngw;Wf; nfhs;sy; (receiving money and instructions to buy bread) process:- ii) filf;Fr; nry;yy;. (Go to the shop.) iii) ghiz thq;fy;. (Buy a loaf of Bread.) iv) gzj;ijf; nfhLj;jy; (Give Rs.100.) v) kpFjpiag; ngwy; (Get the Balance.) vi) tPLjpUk;Gjy; (Go back home.) output:- vii.) ghizAk; kpFjpg;gzj;ijAk; jhaplk; nfhLj;jy;. (give the loaf of Bread and the balance to mother)

12. SDLC • Identification of the problem • Feasibility study • System analysis • System design • Software development • Testing • Implementation • maintenance

13. 02). CAL World Wide Web Password gghJfhg;G,d;ikAudio, Video juTfismDg;gKbahJ 37

14. Speakers contain strong magnets which affect magnetic or electric fields of CRT monitor. Speaker ,y; fhzg;gLk; fhe;jk; CRT monitor ,Ys;sfhe;jmiy/ ,yj;jpudpay; miyfisghjpg;gilar; nra;Ak;.

15. Fast access (tpiuT)Compact • NNkyjpfntg;gj;ijntspNaw;wpghJfhg;ghdmsTntg;gj;ijNgZjy;. • 900jpUg;Gjy;.(rotate right by 900 ) • Explain and discribevarial parts /steps in programmLj;jLj;jgbKiwfistpsf;Fjy;. • Sample can be analyze quickly and accuratelySample can be made quickly

16. Data(juT):- The basic facts, figures measurements are considered the row data. 3) (i) Information (jfty;):- A meaningful process on these items result are information

17. Calculatordigital camerawebcamdigital clock • Space has no symbol(ve;jtpjFwpaPl;ilAk; nfhz;buhik)

18. Twisted pairCoaxial cableFiber optical cable • Dot matrix printer make noise during printing (rj;jj;ijVw;gLj;Jk;) • video clips contain audio information & imagine information(xypj; jfty;fisAk; glj; jfty;fisAk; nfhz;bUj;jy;)

19. RAM (Random access memory) F

20. Telephone conversation(also mobile phone, video conferencing

21. 4). i). • khjk; (month)jpfjp (date)nryTtif (costtype)nryTf;fhdtpguk; • xt;nthUtifapdJk; khjnkhj;jnryT=xt;nthUnryTfspd; $l;Lj;njhifkhjj;jpw;fhdnkhj;jnrytPL=cztpw;fhdkhjnkhj;jk; +thlif +cldyk;

22. njhFjpnrad;Kiwvd;gJjuTfs; Nrfupf;fg;gl;LxUFwpj;jfhy ,ilntspf;FxUKiw (1 khjk;>1 fpoik) nrad;Kiwf;F(Process) cl;gLj;jyhFk;.mt;thNwjuTfs; khjj;jpw;FxUKiwnrad;Kiwf;Fcl;gLj;jg;gLfpd;wJ. 4). ii).

23. 5.(i) Title or book name Author Publisher(ISBN/Accession Number/Inventory Number/Reference Number) Year of publication Number of coppices available Price Classification number/ category

24. (ii). • Admission number/ Id number/ membership number • (ISBN/ACCESSION NUMBER/INVENTERY NUMBER/REFERENCE NUMBER) • Date barrow

25. (iii). • Data:- it is unprocessedEg. A books title, author, ISBN/Student data • Information:-is a processed data • Ex. how many student barrow books on a day week /a month/ in a year • What are the most or least frequently barrow book • Listing of overdue book • Return date

26. iv). Benefits • can create and maintain an on line database for the library(,izaj;JldhdjuTj;jsj;ijcUthf;FjYk;, NgZjYk;) • No efficient (gaDWjp) and effective (tpidj;jpwd;) for all type of users such as library staff, students ,principal • More reliable • Easy to take management

27. (6).(i). • preparing report of the meeting • using e-mail • sending sms • e-mail application s/w to communicate with customers and internet staff • word package s/w to prepare and print report table, letters etc. • DBMS to maintain useful data of the organization. which have to be quickly accessible (ii).

28. (6).(iii). • convenions of communication • sharing of resourcestsg;gfpHT (iv). • keeping backup • Password

29. (7).(i). Data Name / NIC Number of the patient Address Patient Age Patient Sex Name / NIC Number of the guardian Contact Telephone Number Information Brief description about current condition of the Patient Direction to visit the Patient Special Information Such as Allergies, Chronics diseases etc.

30. (7).(ii). Registration Number Registration Fees Doctors Fees Nurse Fees Distance travel Cost of Medicine if given in the ambulance Service charges and Tax

31. (iii). Advantages Fast, easy and accurate to deal with customer data and information Online registration scheme online payment scheme can be provided Preparing of invoices will be easy history of patients can be tracked easily