Module 05 Part 4 Multiplexing

www.easaquestionpapers.blogspot.com 05.09. Multiplexing.

Question Nu Number. 1. A 12 bi bit 16 16 Ch Channel en encoder wi will us use a multiplexer wi with. Option A. 3 bi bit pa parallel ad address li line. Option B. 4 bit parallel ad address line. Option C. 2 wire series address line. Corre orrecct Ans Answe werr is. is. 4 bit bit paral aralle lell ad address ress lin line. xplanation xplanation.. !ith !ith 16 inputs" inputs" it needs 4 data data select select lines lines #to #to pro$id pro$idee all 16 combin combinations ations%. %.

Question Nu Number. Option A. 2. Option B. 3. Option C. 4. Correct Answer is. xplanation. N-.

2.

&ow ma man' address li lines wo would be be ne needed (o (or an an ) line *+ *+,.

3.

Question Number. 3. -n a *+" how is is pa parallel con$erted to to se serial,. Option A. B' wa' o( a shi(t re/ister. Option B. B' wa' o( an encoder. Option C. B' wa' o( a demultiplexer. Corre orrecct Answe nswerr is. is. B' wa' wa' o( a shi( shi(tt re/ re/is iste terr. xplanation. N-.

Question Number. 4. A multiplexer. Opti Option on A. ta0e ta0ess man' man' si/n si/nal alss in in and and con$ con$er erts ts it it to to a seri serial al tran transm smiss ission ion outp output ut.. Opti Option on B. ta0e ta0ess man' man' si/ si/na nals ls in in and and put putss thes thesee in a par paral alle lell tran transm smiss issio ion n on the the outp output ut.. Opti Option on C. ta0e ta0ess one one si/na si/nall in in and and con$ con$er erts ts it to a par paral alle lell tra transm nsmiss issio ion n out outpu put. t. Corr Correc ectt Ans Answe werr is. is. ta0e ta0ess man' man' si/ si/na nals ls in and and con$ con$er erts ts it it to a ser seria iall tran transm smiss issio ion n outp output ut.. xplanation. N-.

Question Number. . A multiplexer in test euipment could be used (or. Option A. (reuenc' di$ider. Option B. analo/ lo/ue to di/ita ital con$erter. Option C. di/i i/ital tal to analo/ lo/ue con$erter. Correct An Answer is is. (reu euenc' di$ider. xplanation. N-.

Questio tion Number. Option A. ). Option B. 3. Option C. 2. Correct Answer is. xplanation. N-.

6.

An ) data input multi ltiplexer has how man' ata elect lin lines.

3.

Question Number. 5. Option A. cloc0.

he si/nal sent be between a *+7*+ is controlled b'.

Share your documents with us at ([email protected] ( [email protected])) DownloadOur Mobile pp !or "ecent #apers

www.easaquestionpapers.blogspot.com Option B. the A+. Option C. control unit. Correct Answer is. control unit. xplanation. N-. 05.10. Fibre Optics.

Questio tion Nu Number.

1.

ome o( o( th the ad ad$anta/es o( o( (ib (ibrre op optic ca cable o$ o$er co copper ca cables ar are.

Opti Option on A. non non con condu duct cti$ i$e" e" eas' eas' to to manu manu(a (act ctur uree and and assem assembl ble" e" more more robu robust st"" che cheap ap.. Opti Option on B. B. smal smalle lerr in si8 si8ee and and wei/ wei/ht ht"" non non cond conduc ucti$ ti$e" e" hi/ hi/he herr secu securi rit' t' and and hi/h hi/her er ban bandw dwid idth th.. Opti Option on C. C. non non cond conduc ucti$ ti$e" e" sma smalle llerr in si8e si8e and and wei/ wei/ht ht"" eas' eas' to to man manu( u(ac actu ture re and and asse assemb mble le and and hi/her securit'. Correc Correctt Answ Answer er is. smalle smallerr in in si8e si8e and wei/ht wei/ht"" non non conduc conducti$ ti$e" e" hi/her hi/her securi securit' t' and hi/her hi/her  bandwidth. xplanation. N-.

Question Number. 2. A (ibre op optic ca cable consists o( o(. Opti Option on A. a sil silic icaa /la /lass ss core core with with a cla cladd ddin in/ / ha$ ha$in in/ / a lowe lowerr re( re(ra racti cti$e $e inde index. x. Opti Option on B. a sil silic icaa /la /lass ss core core with with a cla cladd ddin in/ / ha$ ha$in in/ / a hi/h hi/her er re(r re(rac acti ti$e $e inde index. x. Opti Option on C. a pla plasti sticc core core with with a cla cladd ddin in/ / ha$ ha$in in/ / a hi/h hi/her er re(r re(rac acti ti$e $e inde index. x. Corr Correc ectt Ans Answe werr is. is. a sili silica ca /las /lasss core core with with a clad claddin din/ / ha$i ha$in/ n/ a low lower er re( re(ra racti cti$e $e ind index ex.. xpl xplan anat atio ion n. N- N-. www www.comm commsp spec ecia ial. l.co com m7(ib 7(ibeer/uide uide

Question Number. 3. 9ibre optic cables. Option A. are immune to *-. Option B. attenuate *-. Option C. are susceptible to *-. Correct Answer is. are imm immune to *-. *-. xplanation. N-.

Questio tion Nu Number. 4. wo co connected ted (i (ibre op optic ca cable ends ar are pa parallel lel bu but no not u uite touchin/. his is called. Option A. end to end couplin/. Option B. lens connector. Option C. end (ire couplin/. Correct Answer is is. end to to en end couplin/ in/. xplanation. N-.

Question Number. . A disad$anta/e o( a (ibre optic cable is. Opti Option on A. coup coupli lin/ n/ss sus susce cept ptib ible le to in/ in/ress ress o( (lu (luid id.. Opti Option on B. end end term termin inal alss are are susc suscep eptib tible le to en$i en$iro ronm nmen enta tall cont contam amin inat atio ion. n. Option C. C. shallow be bend ra radius al allowed. Corr Correc ectt Ans Answe werr is. end end termi termina nals ls are are susce suscept ptib ible le to en$ en$ir iron onme ment ntal al cont contam amin inat atio ion. n. xpl xplan anat atio ion n. N- N-. www www.comm commsp spec ecia ial. l.co com m7(ib 7(ibeer/uide uide.h .htm tm

Question Number.

6.

!hat 0ind o( li/ht is is used in a (ibre optic s's s'stems,.

Share your documents with us at ([email protected] ( [email protected])) DownloadOur Mobile pp !or "ecent #apers

www.easaquestionpapers.blogspot.com Option A. -n(rared. Option B. :isible. Option C. +ltra$iolet. Correct Answer is. -n(rared. xpl xplan anat atio ion. n. N-. N-. www www.(lot (loti. i.be bell ll.a .ac. c.u0 u07* 7*at aths hs;h ;h' 'sics sics7l 7li/ i/ht ht.h .htm tm

Question Number. 5. 9ibreoptic data is sent b'. Opti Option on A. modul odulat atin in/ / the the (reu reuen enc' c' o( a lase laserr bea beam m. Option B. a strobe li/ht. Opti Option on C. modul odulat atin in/ / the the (reu reuen enc' c' o( a (il (ilam amen entt bea beam m. Correct Answer is is. a st strobe li li/ht. xplan xplanatio ation. n. *odula *odulatin tin/ / the (re (reuen uenc' c' would would chan chan/e /e the the colour colour o( o( the li/h li/ht. t.

Questio tion Number. ). &-immune> >immune> (rom collectin/ collectin/ &-t'pe A> (ibre optic connector. Opti Option on A. is use used d when when re/ re/ul ular ar dis disco conn nnec ectio tion n and and re=c re=con onne nect ctio ion n o( a cabl cablee is re reui uire red. d. Opti Option on B. prod produc uces es a lar lar/e /err li/ li/ht ht loss loss that that a t' t'pe B con conne nect ctor or.. Opti Option on C. woul would d be used used (or (or conn connec ecti tion onss not not re/u re/ula larl rl' ' dis disco conn nnec ecte ted. d. Corr Correc ectt Ans Answe werr is. is. woul would d be used used (or (or conn connec ectio tions ns not not re/ re/ul ular arl' l' dis disco conn nnec ecte ted. d. xplanation. N-. 05.11. Electronic Displays.

Question Number. 1. he inside o( a C