ELECTRONICS SYSTEMS AND TECHNOLOGIES QUESTIONS EASY QUESTION 1.
The The leng length th of a tra trans ns! !ss! ss!on on e"! e"!# # or anten antenna na ele eleen ent t e$%resse" as the n#&er of 'a(elengths of the s!gnal %ro%agat!ng !n the e"!#. ANS)ER*
+.
Geos Geosta tat!o t!ona nar, r, sate satell ll!t !tes es are are lo-a lo-ate te" " at at '!th '!th res% res%ee-t t to the e/#ator. ANS)ER*
.
+00 2H;
)hat )hat ter ter !n" !n"!!-at ates es =!n =!n "8> "8> ho' ho' far far &elo &elo' ' the the loa" loa" %o'e %o'er r le(el to the !n-!"ent %o'er le(el eas#re" at an, g!(en %o!nt !n an R: s,ste. ANS)ER*
?.
8roa"s!"e Arra,
)hat )hat !s the the f-f-- ass ass!g !gne ne" " -han -hanne nel l &an &an"' "'!" !"th th for for :M &roa &roa""-ast ast3 3 ANS)ER*
<.
E5HEMERIS
It !s a sta sta-2 -2e" e" -oll -oll!n !near ear ante antenn nna a -on -ons! s!st! st!ng ng of half half7' 7'a( a(e e "!%oles s%a-e" fro one another &, one7half 'a(elengths ANS)ER*
9.
+ M&%s
)h!)h!-h h ter ter %ert %erta! a!ns ns to the the %os %os!t !t!o !on n of of a sat satel ell! l!te te3 3 ANS)ER*
6.
0 0 lat!t#"e
A net net'or 'or2 2 '!t '!th h &an &an"' "'!" !"th th of 10 M&%s M&%s -an -an %as %ass s onl onl, , an an a(e a(erag rage e of 1+000 fraes %er !n#te '!th ea-h frae -arr,!ng an a(erage of 10000 &!ts. )hat !s the thro#gh%#t of th!s net'or23 ANS)ER*
4.
ELECTRICAL LENGTH
MISMATCH LOSS
It !s a re" re"#n #n"a "ann-, , err error or "ete "ete-t -t!o !on n s-h s-he ee e tha that t #se #ses s %ar %ar!t !t, , to "eter!ne !f a trans!ss!on error has o--#rre" '!th!n a essage an" !s soet!es -alle" essage %ar!t,. ANS)ER*
Long!t#"!nal re re"#n"an-, -h -he-2
@.
A &lo-2 -o"!ng te-hn!/#e !n 'h!-h fo#r &!ts are en-o"e" !nto a f!(e &!t -o"e ANS)ER*
10.
As %er ITU7R Re--. B.4179 Ta&les 1 + )a(elength Class!f!-at!ons 'hat !s the -lass!f!-at!on of S#%er H!gh :re/#en-,3 ANS)ER*
11.
1.
ANS)ER* Sa#el :.8. Morse A %henoenon !n o%t!-al f!&ers -o#n!-at!on s,ste that !s -a#se" &, the "!fferen-e !n the %ro%agat!on t!es of l!ght ra,s that ta2e "!fferent %aths "o'n the f!&er
BOCODER
The lo'est %ort!on of the !onos%here that !s #sef#l for long7"!stan-e -o#n!-at!on &, aate#rsF a&o#t 100 to 116 2 a&o(e the earth !s 2no'n as the la,er. Th!s !s often tere" as the ennel,7Hea(,s!"e la,er. ANS)ER*
19.
5ULSE S5READING
C!r-#!t for "!g!t!;!ng (o!-e at a lo' "ata rate &, #s!ng 2no'le"ge of the 'a, !n 'h!-h (o!-e so#n"s are %ro"#-e" ANS)ER*
16.
+1+?
)ho !n(ente" the telegra%h3
ANS)ER* 14.
-ent!etr!-
An a""ress s%a-e !s the total n#&er of a""resses #se" &, the %roto-ol s#-h as I5(4 an" I5(9. )hat !s the a""ress s%a-e of I5(93 ANS)ER*
1+.
4868 En-o"!ng
E LAYER
The rat!o of the eas#re" %o'er o#t of a "e(!-e at roo te%erat#re to the %o'er o#t of a "e(!-e !f the "e(!-e 'ere no!seless !s referre" to as . ANS)ER*
NOISE :IGURE
1<.
The f#ll7t!e #se of < tr#n2s &, 14 #sers res#lts !n Erlangs of traff!-. ANS)ER*
1?.
It !s "ef!ne" as the sha%e of the ele-troagnet!- energ, ra"!ate" fro or re-e!(e" &, an antenna ANS)ER*
1@.
ra"!at!on %attern
The s-!en-e of eas#r!ng onl, l!ght 'a(es that are (!s!&le to the h#an e,e. ANS)ER*
+0.
<
5hotoetr,
The sens!t!(!t, of a ra"!o re-e!(er !s g!(en !n ters of "8. If the re-e!(er !s re-e!(!ng +00 ) 'hat !s the -orres%on"!ng "8 of th!s s!gnal3 ANS)ER*
+ "8
