1. The document discusses various audio-visual aids used in educational technology like charts, flannel boards, magnetic boards, bulletin boards, flash cards, cutouts, and models. 2. It describes each aid in terms of what it is, how it is used, and the advantages it provides in teaching. 3. Educational technology also includes hardware tools for teaching like radio broadcasts, audio and video players, tape recorders, computers, and projectors which can be used to disseminate educational content to students.

1. ngah; : r.jdtjp
tuyhW
Dr.C.Thanavathi

2. fy;tpapay; Clfj; njhopy;El;gk;;
fy;tp gutyhf;fg;gl;l gpd; gy;NtW jpwd;fs;
nfhz;l khzth;fs; fy;tp gapy;fpd;wdh;. mth;fspd;
mwpTg; ngUf;fk; vy;iyapy;yhJ Vw;gLk; ,e;ehspy;
gy nra;jpfis fw;gpf;f Nghjpa jpwik gilj;j
Mrphpah;fs; gyh; ,y;iy. gytifahd fy;tp
mDgtq;fisg; gs;spapy; mikj;jy; Ntz;Lk;.
,ij nghUj;J El;gtpaypd; jj;Jtq;fis nfhz;L
fy;tp fw;gpf;fg; gad;gLj;j rhjdq;fs; cs;sd.
,ijjhd; fy;tp El;gtpay; (Educational Technology)
vd;W $Wth;.
Dr.C.Thanavathi

3. fy;tp El;gtpay; rhjdq;fs;
nkd; El;gtpay; (Software Technology)
,ae;jpu El;gtpay; (Hardware Technology)
Dr.C.Thanavathi

4. nkd; El;gtpay; (Software Technology)
•tpsf;fg;glq;fs; (Charts)
•/gpshd]; gyif (Flannel Board)
•fhe;jg; gyif (Magnetic Boards)
•jfty; gyif (Bulletin Boards)
•kpd; ml;ilfs; (Flash Cards)
•ntl;bnaLj;jcUtq;fs; (Cutouts)
•khjphpfs; (Models) Dr.C.Thanavathi

5. tpsf;fg;glq;fs; (Charts)
fUk;gyifapy; tiue;J fhl;l ,ayhj kpfg;
nghpa glq;fs;> rpf;fyhd> ePz;l Neuk;
Njitg;glf;$baJ Nghd;wtw;iw Kd;$l;bNa
tiue;J itf;fyhk;
Dr.C.Thanavathi

6. tpsf;fg; glq;fspd; gad;fs; (Uses of Charts)
•xtpak; tiue;J khzth;fSf;F
fw;gpg;gjw;F
• khzth;fs; vspjpy; Ghpe;Jnfhs;tjw;F
• Mrphpahpd; Ntiy gS FiwAk;
•Neuk; tPzhtij jLf;f KbAk;
Dr.C.Thanavathi

7. /gpshd]; gyif (Flannel Board)
nrhnrhug;ghf cs;s xU /gpshd]; Jzpiaj;
jFe;j msT cs;s gpisTl; gyif kPJ
nghUj;jpf; fl;likT nra;J mikg;gJ MFk;
Dr.C.Thanavathi

8. /gpshd]; gyifapd; gad;fs; (Uses of Flannel Board)
• tuyhW njhlh;ghd glq;fs;> nra;jpfs; xl;b itj;J
fw;gpf;fyhk;.
•jpde;NjhWk; nra;jpjhs;fspy; ntsptUk; nrs;jpfis
fhz;gpf;fyhk;
•rpwe;j jiyth;fs; gw;wpa Fwpg;Gfs; fw;gpf;fyhk;.
•fhy epiyfs; Nghd;wtw;iw ntl;b /gpshd]; gyifapy;
nghUj;jp vspjpy; fw;gpf;fyhk;
Dr.C.Thanavathi

9. fhe;jg; gyif (Magnetic Boards)
jFe;j mstpy; ,Uk;Gj; jfil vLj;J>
ehd;F GwKk; kur;rl;lj;ij mikj;J fhe;jg;gyif
jahhpf;fyhk;. mjd; kPJ fUg;G ngapz;l; rp
tpl;lhy; fUk;gyif Nghy; Kf;fpa nra;jpfis
fw;gpf;fyhk;
Dr.C.Thanavathi

10. fhe;jg ;gyifapd; gad;fs; (Uses of Magnetic
Boards)
•tuyhW ghlj;jpy; tUk; xt;nthU gFjpiaAk; xl;b
fw;gpf;fyhk;.
•tuyhw;W rkaq;fspd; gFjpia ntl;b xl;b
fw;gpf;fyhk;.
•khzth;fs; ghlf; fUj;ij vspjpy; Ghpe;J nfhs;th.;
Dr.C.Thanavathi

11. jfty; gyif (Bulletin Board)
tuyhW ghlj;NjhL njhlh;Gila jpdKk;
nea;jpj;jhspy; tUk; tuyhW rk;ge;jkhd fUj;Jfs;>
Nfypr; rpj;jpuq;fs;> tiug;glq;fs; Nghd;wtw;iw jfty;
gyifapy; xl;b khzth;fSf;F fw;gpf;fyhk;.
Dr.C.Thanavathi

12. jfty; gyifapd; tiffs;
jfty; gyif %d;W tifg;gLk;.
• epiyahd mwptpg;G; gyif
•efh;j;Jk; mwptpg;Gg; gyif
•fUk;gyiff;F Nky;Gwj;jpy; fk;gpfis mikj;J
glq;fis khl;b itf;Fk; Kiw.
Dr.C.Thanavathi

13. jfty; gyifapd; gad;fs; (Uses of Bulletin Boards)
• ehspjo; Jz;Lfs;
• glq;fs;
• Rtnuhl;b tpsk;guq;fs;
• gpd; $wg;gLtij ntspapl
• ghlj;jpy; fth;r;rpia Vw;gLj;j
Dr.C.Thanavathi

14. kpd; ml;ilfs;; (Flash Cards)
• ghlg;nghUis glq;fs; rpW Jz;L glq;fs;
%yk; khzth;fSf;F vspjpy; fw;gpf;fyhk;.
•glq;fisr; Nrfhpj;J xU njhFg;ghf itf;fyhk;.
•nghpa glq;fis xU rl;lj;jpy; Nrfhpj;J itj;J
fhz;gpf;fyhk;. rpW glq;fis nky;ypa Jzpapy;
gjpj;J itj;J fhz;gpf;fyhk;.
Dr.C.Thanavathi

15. kpd; ml;ilfspd; gad;fs; (Uses of Flash Cards)
•Mrphpah; glq;fis xl;b Nfs;tp Nfl;gjpd; %yk;
khzth;fspd; Qhgfrf;jp tsUfpwJ.
•khzth;fspd; rpe;jid Mw;wy; tsh;f;fg;gLfpwJ.
•khzth;fspd; fw;gidj; jpwd; tsh;fpwJ.
Dr.C.Thanavathi

16. ntl;bnaLj;j cUtq;fs; (Cutout)
tpLjiy Nghuhl;l tPuh;fs;> Nguurh;fs;>
mizf;fl;Lfs; Nghd;w glq;fspd; cUtq;fis
ntl;b itj;j cUtq;fSf;F ntl;bnaLj;j
cUtq;fs; vd;W ngah;.
• glj;jhq;fp ,izf;fg;gl;lJ – With Stand
• glj;jhq;fp ,izf;fg;glhjJ – Without Stand
Dr.C.Thanavathi

17. khjphpfs; (Models)
glq;fisj; jtpu khjphp cUtq;fs; tuyhW
fw;gpg;gjw;Fr; rpwe;j Jizf; fUtp MFk;.
,jid miuj;j khT> fspkz;> fhfpjj;jpy;
Cwitj;jy; Nghd;wtw;wpd; %yk; nra;ayhk;.
khjphp cUtq;fs; %yk; khzth;fSf;F fw;gpj;J
gapw;rp mspf;fyhk;.
Dr.C.Thanavathi

18. ,ae;jpu El;gtpay; (Hardware Technology)
•thndhyp xypgug;G (Radio Broad casts )
•xsp – xyp ehlhf;fUtp (Audio – Video Players)
•xypg;gjpT ehlhf; fUtp kw;Wk; xsp – xyp
fr;rpjtl;L (Tape Recorder and Compact disc CDS)
Dr.C.Thanavathi

19. thndhyp kw;Wk; njhiyf;fhl;rp (Radio and
Television)
•njhiyf;fhl;rp (Television)
•gy;tif Clfq;fs; (Multimedia, Computer,
Power point)
• eOtq;fs; gltPo;j;jp (Slides and Film
Projector)
Dr.C.Thanavathi

20. thndhyp xypgug;G (Radio Broad Castes)
xt;nthU ghlj;jpw;Fk; me;je;j rkaq;fspy;
thndhypahy; xypgug;gg;gLk; fy;tp epfo;r;rpfis
khzth;fSf;F Nfl;f Vw;ghL nra;J khzth;fs;
Nfl;L gad; mila toptif nra;ayhk;.
Dr.C.Thanavathi

21. thndhyp fw;gpj;jypd; gad;fs;:
•rpy jiyg;Gfspy; md;whlk; fy;tp epfo;r;rpfs;
xypgug;ghfpwJ.
•,f;fy;tp xypgug;G kpfTk; rpf;fdkhd nrytpy;
mjpf khzth;fSf;Fg; gad;gLk;.
Dr.C.Thanavathi

22. xsp – xyp ehlhf; fUtp (Audio – Video Players)
tuyhW rhh;e;J vLf;fg;gLk; rpwe;j glq;fis
njhiyf;fhl;rpg; ngl;bapy; Nghl;Lf; fhl;lyhk;.
Dr.C.Thanavathi

23. xypg;gjpT ehlhf;fUtp kw;Wk; xsp – xyp
fr;rpjtl;L (Tape Recorder and Compact disc –
CDS)
tuyhW tFg;gpy; xU jiyg;igNah my;yJ
epfo;r;rpiaNah tpsf;ff;$ba rpwpa ghlq;fisj;
njhFj;J mikj;J gjpT nra;J jpUk;gj; jpUk;gf;
Nfl;f nra;ayhk;.
Dr.C.Thanavathi

24. CDS Nghl;L fw;gpj;jy;
•tuyhW rk;ge;jg;gl;l ,lq;fs;
•fly;fs;
•fz;lq;fs;
•fhyepiy
•epyg; glq;fs;
Dr.C.Thanavathi

25. thndhyp kw;Wk; njhiyf;fhl;rp (Radio and Television)
thndhyp tuyhW ghlk; fw;gpf;f cjTk; fy;tp
epfo;r;rpfs; thndhyp fy;tp epfo;r;rp vd;W Gj;jfkhf
ntsp tUfpwJ. gs;spfs; vy;yh tFg;GfspYk; thndhyp
Nfl;Fk; fUtpfis (speakers) nghUj;jp khzth;fs;
Nfl;FkhW ,J khzth;fspd; tsh;r;rpf;F kpfTk;
gads;sJ MFk;.
Dr.C.Thanavathi

26. xypg;Ngiog;gjtk; (Tape – recorder)
xU ghlj;ij mwpKfk; nra;tjpy; ,f;fUtp
kpFe;j gaDs;sJ. rpy tuyhw;W mwpQh;fspd; Ngr;R
gjpT nra;ag;gl;L tFg;giwapy; Njitahd NghJ
,f;fUtpapy; Nghl;Lf; Nfl;f itf;fyhk;.
Dr.C.Thanavathi

27. xypnahspr; rhjdq;fs; (Audio – Visual Aids)
•XLk; glr;RUs; (Motion Pictures)
•njhiyf;fhl;rp (Television)
Dr.C.Thanavathi

28. XLk; glr;RUs; (Motion Pictures)
XLk;glr;RUs; Neub mDgtj;ij tplf;
Fiwe;jNj MapDk; rpy rkaq;fspy; XLk; glkhdJ
Neub mDgtj;ij tpl vjph;g;ghh;f;Fk; fy;tpg; gyid
toq;f KbAk;. xypf; fUtpfistpl XLk; glr;RUs;
capNuhl;lkhf miktjhy; glf;fhl;rpfs; ePz;l
fhyj;jpw;F epidtpy; epw;Fk;.
Dr.C.Thanavathi

29. fy;tpg;glq;fs; tiffs;
•fy;tpg;glq;fs;
•nghJf;fy;tpg; glq;fs;
Dr.C.Thanavathi

30. (njhiyf;fhl;rp) fy;tpg;glq;fs;
fy;tpg;glq;fs; td;Kiwr; nray;fs; ghh;f;f ,ayhj
elj;ij ,y;yhj tifapy; mike;jpUf;f Ntz;Lk;.
mwpT> fUj;J> elj;ij Mfpatw;iw tsh;f;Fk;
vg;glKk; fy;tpg;glk; MFk;.
Dr.C.Thanavathi

31. XLk;; glr;RUspd; ed;ik
•mirTg;glq;fs; ftdj;ij fl;lhag;gLj;jp
mwpe;j rk;gtq;fis epue;jukhf epidtpy; jq;f
itf;fpd;wd.
•rhjhuzf; fz;fshNyh> Ez;Nzhf;fpahNyh
njhiyNehf;fpahNyh fhz Kbahjij
,t;tirTg; glq;fs; fhl;Lfpd;wd.
Dr.C.Thanavathi

32. njhiyf;fhl;rp (Televion)
thndhypf;F gpd; kf;fs; njhlh;gpy; khngUk;
Gul;rpia nra;j fUtp njhiyf;fhl;rp MFk;
Dr.C.Thanavathi

33. Dr.C.Thanavathi