me 2255 university question paper
DESCRIPTION
It contains ME2255 five years QPTRANSCRIPT
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Lt quastions. I\'Iaximunr : Ioo m*rk,s
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(b) Write a eirnplenumbers.
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(lJ) Uiscuss irr tlctaii atrr.rut urrvtsclssl b*sua,-;;"t^;;;;;r.,,:,t- oI'the agrplications of ivlicroprocessor
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EC, 72$4 * ELECII,ITC,I*ICS AND I\IICIiOPItoCBSSoRs
{co:,rnon to Automob,e flngineering and. production Engineering)
e:Ttlrctthr.rurs
Ansrve.r ALL ques,,ions.
FART A *- (I0 x 2 = ZOnarks)
What is the energy gap?
Maximum : 100 marks
ln rectification?,
|,1&r transistor is carled currcnl i:,ntrorlecr ejevice?
is a foecl back ampliliers?
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16 = 80 marks)
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Draw lhe cir.crrit ol' a t,ri:nsistor inSketch the output clii:,rne[r;ristic.s,cut-off regir:ns.
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X:l:::*s *r.c c,*llert ur:i'ersat gares,i W'y? Srate and prlJenrorgB.rrs theot.cm rvith i.rullr table. :
(ii) List tho typcs oi..,VJ) r:o'vr:rt..r" ancl explain any one with.stliaglirrn. 'r-"--..- r"rr
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L*{i.,::*fg,_l{l:n r*ltjottrc : fi.tC35 i
(l{erulation 2008)
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l. What is a pN Junction?
2. Define a rectifier.
3. lVhat are the various types oi.Lr.ansisior biasing circuits?
4. bfention auy two applications o fl UJT.
s' oive the t*rtlr (arrle :iarl *ynrboric rcpre*enratic'of NA,{D anrl
6. Convert 65 inio llCD. ,
I;ist oul the 16-brl re6isters oj.lt0il5.
L Uxplain the g0lt5 instrrrcf ion D;\A_
f). J,iirt tir* lundiinrenttl l,/O t*rhn;rqucs.
10. I.ist *lry two print.s coutgrrrirrl; r*r,rn I/0 arrrl ,eripLcral Ii().
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baeed temPeratule coutroli (16)
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0rl. (16)
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1l' E'lB'Tech' DEGRE Ti EXAMINATI,N, ApRIr./MAy z,rL.
Fourth Semester
Mechanical Engineering
AC 1264 * ELT]CTITONIC$ ANN &IIC}IOPRC}CESSORS
(common to Automobile Er,gineering and Froduction Engineering)
lRegulation 2004)(common to B.E. (part-Tirne) Third semesier - i\{cchanical Engineering
Regulation 2005)
Time; Ttree hoursMaximum : 100 marks
Anriwer ALL qrrestions.
PART /\ * (10 x Z = 2gmarks)
1. Draw thc V-I characteristics of Zener diode.
2. trtrat is meant by voltage relgulation?
3. l[trat are ihe benefits of negative feeclback?
4. What is the need for biasing circuit? ,
5" What are the universal gnler;?
S. Write the binarv rearrirror^-.,, .-r :ary equivalerrt of decimal number 1S.
7 ' what are the acldrcssir:g nrorres of g0g5 *ricroprocessor?8 Mention any four data transfer instructions of g0g5 microprocessor.9, What is the dilference bcrween VO nrapped VO and *^*^"'
y rs created us;ing microprocessor?
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I)Ali'l' lt - (l'r i. 'lii a' 8{l nrtrlcs)
With nrrat circuit d'irr1;r',rms, explain ttrc wi;rkiug of halfu,avc rectificr'.
Or
(i) Explain the wor.lEing principle of PF{ junction diode.
(ii) trxpiain t):e characteristics of intrinsie and
semico.nductors.
wave and ful1(16)
(8)
extrinsic(8)
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r:I'Chl a &ncl CC conliguration olllipoku' junctiou transistor. (16)
Or
(b) Explain the eonstruction, werking and characteristics of SCR and Tbiac'(16)
1.3.(a)(i)Expiaintheworki:ngofHalfandFultraddercircuitindptail.,j:](ii)ExplainthefunctiorrofJKflipflopandDFlipflop.(6)
Or
ft) With a suitable functional block diagrams,and DIA convetters
L4. (a) With a suitable functional block diagram, explain the architecturalfeatures of 8085 microprocessor. (16)
Or
(b) Write an assembly ianguage prograrn to arrange the given set of 8-bitbinary nrrmbers in ascending/descending order. : , .
: (16)
15. (a) With a suitable interfacing cireuit, explain the interfacing of one input
{Jr.ft) With a suitable hardrcare circuit and softrvare program, explain the
lcontrol of a stepper using 8085 microproces$or, motor using 8085microproce$sor. . (16)
explain the workin* * ffi
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