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S = ABcr +ABCi +ABei + ABCi = Asci + ABCI + ABei + ABCi SR a5j6lg;ip rlldft 3 JK&'t-*reK wr-s c]<fr tGTe15<I1qq = A @ B el qFi T-qqltstm{N fr4ffig qfu | = ci(A @ n; + ee .efrtloqTMrn$iRfr4rsd{fi-r-dctl a 01. IDB'l9l lAns: cl (c) et (d) s8 (a)A=0€B:0 (c)A=isB=0 (a) ASCII (c) EBCDIC [DB'191 lAns: d] (b)A=0\eB:l (d)A=1sB:1 (b) BCD (d) UNrcoDE ftD<Bffi qv q<( 'rfifiEG Er{irBs<q1e: 05. foE< Efr"r<:F ou,4<( "r<-<ff(F qeEI Ee-<qrs: Y q(fi{6sl{F? : (a) AB (b) AB IDB'l9l [Ans: d] (c)A+B (d) AB MCQ: frn\o<q-{c{rql mtd E* ig {{l{la. "f,Dfr i{"Ffrfl? Cr+rsl(<< qEi"F {ltq rsB? Efttr<<fftr<vtBt$v:1 c'ImqrtA \e B (a) b (b) )s 02. (17)8 ,4< "f(Sr {(?BI mr{F? IDB'19] [Ans: dl (a) 1a (b) 15 (c) 16 (d) 20 03. ()))o.)))r q<rFffrT qgl6sfrc{fl{{q?Rl GT{F? lDIt'19. BD'l7l IAns: bl (a) E. A (b) E.C (c) C.E (d) E.3 04 . r.ton .a< qBtt 0 (w) << {11- IDB'l9l lAns: bl (Dwqmtt+1ct I (ii){<er4lt{9l6o (iii) c cslGrl €sFt{"{6 1 frruacoqFc6-sz (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii 07. froTCs'lqtr 16Rd-d6$1-s? [RB'lgl lAns: dl Efi"n-q-< r e< ql-gsr q&-r c'F! 6$t{F? IRB'l9l (a) oR (b) xoR (c) NAND (d) )o{oR Jr:n{,l{: (b); AB+AB = A B.AB (A+ B).(A+E) = es +An = A@ B q<sst{tfrcoqc<? IMil \\, iRngrfiqsffikor+{rqt..

09. Bft"trq< c cq,f+ $eE&-{ C'l?!<I{qEE(g fllr<- IRB'l9l lAns: dl til eE f<ct< w<qr qE;{I s{1-< q{r (ii) EFP el]-sl-<?6R< cs.rq (iii) slubt<hfr{ 6s@ firu-< r+tqFqtsz (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii fto< Efi"roB "w q<('rfl<€t Efr Ecl-d B-q< qT€ : (a) 10.10 (c) I 1.11 qEI4-,.r: (a): (1011.11), +(1101.10), +(10.10)2 (1101111)7 (b) 11.10 (d) 101.10 = (10.10), EFF q< {Cffi C(?BIF SE? ISB'I9I Ir\NS: CI (a) 100 (b) 200 (c) F00 (d) FFO fi'6s Sftcffi qq 6 e<\ ffi EF Erfd E-qd Ef B : R 10. 6rc<vt$t"$n q<${{s? ICtg.B'19. SB. BB'17. i{ B'l6l (a)AB+AB tbr ne+eB (c)AB+AE rdr AB+AB nE 4t-{: ra): P =[l:g + A+B =n.E+ A B=AB+AB I I . Eftr-+< fuS On crialB< qfu AND OEt rrrqm s-?n4 F q< ${ s\' {r<? l( t!I.lt'lt)l (a) A (b) B (c) 0 (d) I rrrr.r.(,.,:e=[lS. A+B =A.e. A.g= A.A.B.B =0.0=0 12. ptC'fuo (1011.11), € (1101.10), S< Cflt]\T fr4< +,<r.s <61-(dtl I qqq{ Fl+Ift (11011.11), fr+erccsocftfr{Ez lCts.B'leI 13. gg qfficq<quirrFg,Nu'fi... (ffi (a)a*1=a (c)a+0=0 1'1 . (1 101 l.l r 01 I l), 14. P q<Tl1m]-{B? ISB',I ql (a)A+B rU,)A+e (c)A+B (d)A+B ){:ITfin: (bt; P=A+B+e =A.B+ S ['.' De Morgan's {(.] = (A+ B) (B + B)[... A + BC = (A + B)(A + c)] = (A + B).1 l.'B + B = 1l = A + e 15. Eft"Irs-{ p = 0 <rF- ISB'l sl l.\ns: cl (a)A=0,B=0 (b)A=0,8=1 (c)A=1,8=0 (d)A=1,B=1 16. mffi <furqqIErqdT< ffifr6$"141qP FE? (a) 1B.37 lS I3'l9l l.\ ns: hl (b)a+a=a (d)a+a=0 qn qNql q3l6sfrrT{ qi?rrl ISB'l9l IAns: bl (b) IB.DC (c) D8.DC (d) D8.17 IBB'lel (a) I (b) 0 (c) A (d) A 19. ry${F: (a); F=A+A=1 (29)10 c(?mF{ <lt{fi fi{ T\,? I BB' I 9l I,\ns: d I (a) 11100 (b) ll01l (c) 10111 (d) 11101 frrEdEff"rsF o|v q<\ "R-<6EE qrfdBs-*nte: 'q' friffi ffislr ICr frsF (100)8 qm c+tcsrq I E ft qr+ <fu c$rB< qglcsfr{FT q'slrl {6oTtIBB'l9l IAns: rl (a) 40 (b) l0 (c) 8 (d) 4 Eft"n-+ <|fu cri-ntr{ qtc'R {$rt ss? IBB'l9l lAns: tll (a) (ss)e (b) (64)s (c) (66)e (d) (77)B Y = A.B + c ifr{rq ]Ift$<cf Tls<]T{ c<1€ fllE 21. 20. +<6 d,fro ciEi er.rre-{z (.a) 2 (b) 3 (c) a fi{r{: (b); lBB',r e I (d) s B C \ F-q< {F sE? 23. @Fr<fiF n{({Ift{S q<( 2' c'sllsqlBt"F ?tlrs? (a) €{col$< (c)c&'tR IJ B, CB'l9l l,\ns: bl (b)frTslslr (d)srBik

(b) NoR (d) xr.roR x q{{];t ) Er{ Ifi- [CB'lgl [Ans: al (i)P=1,Q=1,R:0 (iDP=0,Q=1,R=1. (iii) P = 1,Q = 1,R = 1 firrdrfif qts? (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii x €<qftqqq 5qffi? tcB'l9l lAns: dl (a) FQR + POR + PQE + PQR (t)FQR+ pQn+FQE+ pQn (c)PoQoR (d)PoaoR 2 BAD.8C mFI {-zGl-?l c({if? [Din.B'19] lAns: dl 25. 26. (a) q{fu$ (c) q+bre o)<rt{lft (d)6csl(sfiI{E ftDrsft"rsF qv q<( 'R-<6EE {rfdE-sqfi€: B x 0 0 I 0 I 0 1 0 0 I I 0 6l{E? lDin.B'l lDin.B'l9l l,\ns: cl 28. Us{q{t 1 scq\flEit o s{ m]{ dirD? (")l--- (a) 001001 1010 (c) 1011010101 (a) (33)e (c) (ABC)ro (b) l00l100101 (d) o l00l 1010 (b) (100001), (d) (cBA)16 frn-<Eftir+Eqsv{ q<r,K<6EF EclrEs<Rts: fi[E{Efi"RFqr€ q-<\ "R<qEEqarBs-drts: {=D24. Eft"r+ <r6ft<qt$t"ft< rsfi-+<q qa 6sh clltrt< c'R"tc1T.R1{? (a) NAND (c) xOR yr$q{.: (c);A+B +A+ B = (a+S).te+nl = M +AB + AB + BB = AB + AB = A@B Efr"ro <6ft'< qEiS W c"rp cc{ c{Fr ElF cati!RfiqTT<19q6q? IJB'191 [Ans: al (a)ls3 (b)1€4 (c)1e5 (d)2 \e 3 c+ffiufu6tccfu? IJB'191 lAns: al (i) ASCII Code (ii) EBCDIC Code (iii) BCD code firu-<c+rqBc6-sz (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii 27. _rLrLJL frErqffi<{Iqft'sfi{+sz [JB'l9l IAns: dl IJB'l9l lAns: al (DNAND (ii)NoR (iii)x.{oR ffro-dc{EFc6-s? (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii 2s. (10)16 q< tr{< {F c$FF? ICB'l9l [Ans: dl (a) I (b) A (c) E (d) F 30. r' = Es + ps afl-a$1ft 561-q c'ti!frri-ter<z ICB'l9l lAns: cl (a) NoR (b) NAND (c) x-oR (d) x-NoR 31. (A + B + C)16 q< JI{VSI {I{ 6sFF? ICB'l9l [Ans: bl 35. CsrO (a) AND (b) oR (c) NoR (d) NAND 36. X<EIm'0'qr{'1'q<('1', q< {cE '0' T{IFI EIg C'EFF{c<- lDin.B'l9l l.\ns: cl r"rtD-- or--lD4, S, C q.IS{E{ 'lr$< qr{ <E? {All Board'l8l [Ans: cl (a) D (b) F (c) l0 (d) 16 () )o) )o){ q< {{$'T {I{- (i) (ss)L (ii) (a8)!o (iiD (es))s firu<c+FGc6'sz (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii 6$f{ c'itt( {r{ Q{"F 0 q(E qEiS 1 q[{? JAll Board'181 IAns: dl (i)NAND (iD NoR (iiD x-NoR frrrd6sFrBc6's? (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii rMm ''\ 'rffi+*SglmRwqqr{...

firu-dEftffiF rc q<\ "rfiqEE scrdEs-<nfs: 4t. 42. x-NoR- q< qcE 6sl{ criab<{rq qEBt 0 q[1? [All Board'l8l lAns: dl (a) AND (b) oR (c) NAND (d) NoR A F-{lq{E(g {lrd{rl{- [DB'171 [Ans: al (DA+A+A (iD A.A (ii0 A@A frru-d6sHEc6-sz (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii 6sr{ E&-$ c'itrB{ t{t s vtBt$ eE{ qrI{ [All Board'l8] [Ans: c] (c) AB (d)AB IDB'171 lAns: cl (c) Nor (d) NAND 43. 45. iFx 40. F q<{l{ @EE? (a) AB (b) es allrs? (a) AND (b) oR fiorBffq+E qv q<(,ra<frEB sr{-dBq*qls: 48. Eftqr- <<64ifr<Q-q<{l{aE? IRB'l7l [Ans: b] (a) 0 (b) 1 (c) M (d) M+N 4s. Efr"f6s{ e e< ('FFd qfu ma c'E <r<+< c<rq{frTQ=ocr{? tRB'l?l [Ans: a] (a) AND (b) NoR (c) xoR (d) XNOR 44. p : ffi sc: q<{{ft{orll @FE? [DB'17] [Ans: bl (a) AB. BC (b) ABC (c) AB + AC(d) ABC- ,trfitrFE{s @ts+ofr&<r [DB' l7l [Ans: dl (a) e (b)8 (c)c (d)u 46. A* BC = (A+ BXA+C)E"tHIqlF<rdtt- [RB'l7l lAns: dl (a)frfiqs (c) cfiF-o (a) 00001100 (c) 11 1 10011 47 . n{frs qq"lrt 12 €( 2's complement T9? G)q{sq (Ofr\'-lq IRB'171 [Ans: dl (b) 11111100 (d) 11110100 rM ICTEGFIII$D s0. cr qG-sr6ft qFlqtFtffi+ottr<?,-<to <tffi ml@lR"lsrr{slrfftffi? tRB'171 tAns: bl (a) 6&tK (c)&r{lqir o) q{r$lv]!r (OdBir( 51. 5, u, F (r<lF{qir{fr{F$s? lcts.B'l7l (a) A (b) B (c) 5e (d) r.\ wI{Fr: (c); q<I qgl-rsfr{lETl-fl-:rr q?lItrt,)+1:B B+1=)CllF qEq< F+1=)s (loo)q 4<( (AA)>s €d C{Ftsdt TE? ICtg.B'l7l lAns: dl (a) 1AA (b) 18 (c) AF (d) AE lttrer <FrBnnn r+e irr<& <4r+ qq(e q<t {l{- ICtg.B'l7l lAns: bl (i) ASCIISRI (iD EBCDIC EI{I (iii) Unicode {l-:tl firu-<coEFqfr+r (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii ,4n(slvIr{di{'F<E- [ctg.B'l7][Ans:dl (i)q?E{$rII (ii) q{frsa'\"1,1 (iiD R"slrsfr[{{{sBI firr-qcetficG-az (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii )s Q{t frFE err+Mr+{ qtW$ qc$r TsF q6{? ISB'l7l [Ans: c] (a)t (b)e (c)8 (d)c <t(st sFllrfFFEfic( qqris T-<t<q-+ <6trq 6sF {-?m-<t 6sfs {ffqo E{? [SB'l7l [Ans: dl (a) BCD (c) EBCDIC (b) ASCII (d) Unicode A+BC = <E? [SB'l7l lAns: cl (a) (A + B) + (AC) (b) (A + c) + (AB) (c)(A+B).(A+c) (d)(A+B)+(A+c) {fr el ht oR 6'ftt-d wEB'F o (T$ +n erRrw{ E{ Efqm 6fFF eIRM $iIN q[<? ISB'171 [Ans: al (a) q-qc t{t o (W) F-fie- << O)c<ql-{t ls-<(9-Er< (c) frrfiffi qsFt{S o (t{r) s-fie q(< (d) clTftql qrFq{s 1 s-:IFqr{ 53. 54. 55. 57.

6fpfiIs1r< U"qPFr +.K e<( q"RF {$m (tr< (a)qrtsF (c)c&,fl-?r (a)rffi61 (c)fritr< 62. A{fiF6<FFIITTGall[s? [BB'l7l [Ans: b] ficr< Eft"te$ qq q.{\ "r{<ft fiF er':t<B-e<nt'-s : sfuElF Frts rfts qir< ffr6 e$F c({rt (11)' frrtr+qr 63. Efi{roEfrFtoq$BlB{q1frs{qilrtEcqtUB'l7l JAns: bl (a) c\e (b) \ee (c) 98 (d) cl 64. Efr"rrqcr"flB{'r+<6qs"Irt c{EFz IJB'l7l [Ans: bl (a) (1t)r (b) ()oo)n (c) (\oo)t. (d) (iql)' ftElEfi "t+E "iv s<r "r+<S *F er{r E-E-{ Er,s : 6s. Eftarcpq6q6 p;4 ffi firftt+r<? [JB'171 [Ans: a] (a) AND (b) oR (c) Nor (d) NOR 66. f ir+< 6cq( dA6< rt(el Not Gate {@ s<rrt mfq cniD "|l\s$:rF? . IJB'l7l [Ans: bl rcTEEFTII$F 67. &fu< B"r< fi-v'q +r-< {i?m q6G sE eFsr{? IJB'171 lAns: cl (a) r. (b) e (c) 8 (d) a 68. c}ffi{ crlEF cflqB? IJB'l7l [Ans: b] ICB'l7l IAns: bl (b) tas (d) \gaaes 59. 60. gCITFt GI-iI T3T(g {ql.IlEI SGI I 61. S<\r'ftGCrqt mtlFdfr"+Eq{qi? (a)A+1=A (c)A+A:0 111qqffiE(EqI(<- (i)qtffi (iDqsnrq (iiD GfiTFI frrr<c,onEc6-sz (a) i (b) iii (c) i, iii (d) i, ii, iii frru-< Eft"r+F qv q<('R-{q EE crrir Bst nte : A € B (E {ffi{ ddsre @ n<tt TPiEfir< 69. lSZ.rZS;ro-e<<|ffi{l{ss? ICB'r7] IAns: bl [BB'171 [Ans: bl (b)A+0=A (d)A+A=1 IBB'l7l [Ans: dl (a) AND (c) x-OR (a) 100101.01 (c) 101001.01 (b)NAND (d) x-NoR (b) 100101.001 (d) r01001.001 fitE-dEfr'r$F "lg qR "l<-<ff cff{Bs-{Efs: IBB'171 lAns: al Efr"n-+< {6ft{ qEtlF< r<ftjs xn< <6ft [CB'l7l [Ans: cl (b) qrrslsr< (d)FlBnr< (b)ftFt\6 (O-ft-flr{ <o '116<- ,. fl*' "oD ,rr, O--ID frrEdc<:t{Eq6<r? (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii &c-otstr<< Qqt rr$[t 8 scq qtWt cr<- ICB'l7l IAns: cl (a) 4 (b) 8 (c) 16 (d)32 a: 1,b = 0 (n E-{i a@b =? [CB'17] [Ans: bl (a) 0 (b) 1 (c) 0, 1 (d) 1,0 (1010), q< qIEEI qf{- [CB'l7l [Ans: a] (D (10)ro (iD (12)8 (iii) (14)16 firE-d@FE{6r? (a) i, ii (c) ii, iii r$EENAND C'iE!? (")tD' G)l>-Y 7 5. ASCII-8 CSlrg{ {T{Ic{ CSF qfrET G'QrT fiffi (b) i, iii (d) i, ii, iii ICB'l7l lAns: dl (b)l>' (d)iD' s-firm (a) )iE (a) AND (b) NAND (c) x-OR (d) x-NoR (c) c)t \\\ qffir+*qsmRwtuqt..

76. B{|g € ERB q(<s'cq3t ckal qG-\}- [CB'171 lAns: bl (i)&"i-P'i (ii) q11-st{ (iii)6&ttd firu-<mnBc6-{z (b) i, iii (d) i, ii, iii 77 . Non e< qtEE$ 0 (.I{D qr< s"l-{ lDin.B'l7l lAns: cl (rc{rslffi.4Ttrt{to (w) (ii){<eIErt{s l 1iil) arenm e+frt+$ r firu-<c+HEcEsz (a) i, ii (c) ii, iii fio< Eftqr+fi qv c<\ "ra<ff 1QE arrcE-e< ntre: fr. qlfrs eTlIqro <dm, "cgt{Er <rFT FE?" st{FI fl{ mq<({{ (101101)2 I 4FI|FK {iI6{-< {:FES {({rf ErqtlDin.B'l7l JAns: cl (a) (2s)" (b) (3s)s (c) (ss)a (d) (6s)8 q,t <q-< t< otqkffi <+q <m6e- Fs q6{? lDin.B'I7l lAns: dl 78. 79. (a) (101011), (c) (101111), (b) i, iii (d) i, ii, iii (b) (101110), (d) (110111), fi o<Eft "tqEqe${,s<i qr<fr *F errf<Bq<ft : A B 80. E"I[-<<fiqF6$]q 6id-{c!EsT? 81. IDin.B'l7l lAns: cl (c) oR (d) NoR lDin.B'l7l lAns: hl (c) ii, iii (d) i, ii, iii [Din.B'l7l lAns: bl (c) 10 (d) 16 (a) Nor (b) AND Y qFqFt ) {C {fr- (DA=0,8=1 (ii)A = 0,8 = 0 (iii)A = 1,B = 0 frcu-{csr-{Eq6s? (a) i, ii (b) i, iii CE|E Ci?FTd CTq FEZ (a) 2 (b) 8 I tc 1U tcT €rlN-<lIl$F A B 84. \ € edicitd-{ft-trqqffiqs6q F,{ qFW qr<? IDB'l6l lAns: bl (a) 2 CNAND q<( 3-6$ NOR $3m (b) 2 CS NOR q<( 3-6S AND +?IFI (c) 2 6s OR€<( 3-6s NAND silin (d) 2 @NAND q<( 3-6FNAND S-?16{ or, *u" o16r d!!frr{ csf{ ('iiEE{? IDB'l6i lAns: bl (a) NoR (b) NAND (c) oR (d) x-oR -5 q3 2 ,{a ffiT{s fi{ ss? IDB't6l l,\ns: rll (a) 1101 (b) 1001 (c) 1010 (d) 1011 (78)10 q< BCD q<:rl{ss? lIlB'16l lAns: bl 85. 86. ,-J---\ Ipv -1 _./ ,l\ frn{ fuDqr r-d q<( ffi *F emf*E-e-{qt\s : 83. F €<{l;I (a) B(c + A) (c) c(A + B) 87. (a)0ll1l00l (c) 0l 101000 88. <Iw<ft]-ql6st{ mrcEq? IRB'l6l lAns: cl (a) BCD (b) ASCI (c) UNICODE (d) EBCDIC 89. 4ffitr oEF @t-{E? IRB'l6l lAns: al (a) NoR (b) AND (c) Nor (d) oR 90. sTsrtfiffis @trqqr{ Eflcffi q-{ITJ-{dsE{- lllB'l6l lAns: dl (i) ASCII code (ii) EBCDIC code (iii) Unicode firu-qconBr8Ez (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii 91. ASCrr-8 @r6s{$rED=sffi +-sBz (a)2 (b) 4 IRB'l6l lAns: bl (c) 8 (d) 16 ez. fro<firqqBtt<Ez IRB'l6l lAns: cl (i)xTl (iDx+, (iii) xy ficu<c+IlFc8sz (a) i, ii (b) i, iii JDB'l6l lAns: al (b) A(B + c) (d)AC+B (b) 011 l 1000 (d) 01 101 1oo to iffi{dqurrtBoaqqqr... C

95. 96. frru-< 6qE qF <''{ e<( "l<-<ff c6f{ Eq{ q.t s : xy 93. Bft"r$Erio gp c'liEtr{ err NoRGate fiIFr FqlFqF cslT c'E!E{c:rFI? IRB'161 [Ans: dl (a) NoR (b) oR (c) xoR (d) x-NoR 94. tBfrr+trs< Rd-d ftrBI F9?[RB, sB'l6l IAns: cl (a) 4 (b) 8 (c) 16 (d)32 csl-it'tEfrr{ E{FIET.{strrislrtF{t{f{? lCtg.B'161 lAns: al (a) t &) s (c) E (d) )o fro< mrq e&-$ c,rtct-d qtEt"F tffet< RqaE? ICtg.B'161 IAns: cl (a) AND (b) oR (c) NoT (d) x-oR q&.nn cr$I qhGrc C$lc{t qrB r(?Brd {F fifto-stnq-*q-ffirn- [ctg.B'l6l [Ans:al (i) c(r8lBF Tf{qs q(FarqBr fi q{ ${ (ii) q$TIF?u Tf{qs i{\FerEl< qlfu {F <f Gft (iii) ,rifi q6&-d C{si ftD-d6+lqFc6-s? (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii x-oR 6n?t ?sfr[\g- <Frqs q{ - lctg.B'l6l [Ans: bl (i) OR Gate (ii) AND Gate (iii) NOT Gate frcu<mFFc6-rz (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii 97. 98. ICtg.B'l6l lAns: cl o)IBe (d) A+B+C [Ctg.B'l6l [Ans: b] (b) ())oo)o (d) ()o)o)r 99. F: ABC + ABC ,{<CTft-{g{F 6SF{F? (a)A+B+C (c) ABC r00. (){)o q< Ttr<'s <Itilfr cs'ldB? (a) (55o))1 (c) ()) ) ))r lcTeEFTIS fi5,R@ffi qr6 q<r'r*<6lQF qeftBe{qlls : A B C ICtg.B'16] lAns: cl (b)A+B+e (d) A + B+E103. 104. 105_ (b) i, iii (d) i, ii, iii fi-q-F G-q-t 106. 'to" firE-d qlBilF 6qFfq'E s q< {ft$-{"iq(T ISB'l6l [Ans: bl (b)s = M@N (d)s = [4-+-N 1ol Efr"r6$iTqEt$ F q<crft{sfi{ GFE? (a) A+B+C (c) ABC r02. r56,T'ics==_J-q<Yr4-, / <rrcE F qr {{ATE ql{ fr(5< 66fa ffilrq qrd{ T6{2 (a) oR lCtg.B'l6l [Ans: a] (b) AND (c) Nor (d) NoR ()oo)o). )o)o))). q< Rslrsfr[T{ ql{ $E? [SB'l6l [Ans: al (a) 2s. AC (b)4s.s3 (c)37.53 (d) 94.AC (lF)16 q< Tr(al ) GFt Sirr{ 4E qr{? ISB'161 [Ans: cl (a) (11F)16 O) (2F)16 (c) (20)16 (d) (21)16 ISB'161 lAns: cl A -\\-----\\ ,-J] )-* ueflE-s-c <E;trd q]s616 sr< - (i) A+B (ii) AB + AB (ii0AoB frru-<mtqFcfi-rz (a) i, ii (c) ii, iii finrBftlaFqs qR ffi EQF ern<E-s< qt€ : (a)S=M+N (c)S = Y 611- IEil \\\ qffi{dqvrmB€eqqrtr... (I

rcTefg<JXw : UI{tI{-oe 108. 109. 107.'?r' ft.qdqtEDlEF]tR c : o c"lrscr{t{SM, N € Cin q< Eln q6o q6{- (D M:0, N: l, c1n = I (iDM=0,N= l,cin:0 (iii)M:l,N=0,f,,n=Q firE-d r$t{Ec6s? [SB'l6l [Ans: cl (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii <ffi cqr'f l +o+ I =, [SB,t6] [Ans: al (a) )o (b) o) (c) oo (d) )) (c{))o qn BCD Csls @'FE? [BB,r 6l [Ans: cl (a) ())))o)r (b) () ))oo))r (c) ()))o)o)\ (d) (o)) )oo)o)r I10. BCD 6$ls TE fr(t-{? [B8'16] IAns: bl (a)z (b) 4 (c) 8 (d) 16 I l I. (-8t)\ {(rmBEqqf"m{<I{S\5 {t{ Er{fIB8'161 [Ans: dl (i) eEE n]{ rfd{ (iD )-,r< 'lRtds 't { (iii) r-qr flRtff utSq firu-d6$FF{trsu (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii l 12. csF{rfrd{r66' c3l"ftrtrt celrs5FtrqtEtt fr65-s 5qFfr ffifrE gnls! [JB'16] [Ans: a] (a) Nor O) NoR (c) NAND (d) x-NoR csfrflEcccfi ,fqb{&&+o_e UB't6l [Ans: b] (a) )e (b) )o (c) t (d) a. fu-{nfB15ag$"pXqrq$ft€- IJB,16l [Ans: d] (a.1A-a = A. B (b)A-+E:A+B 1c)A+n=A+E (OA+E-=A.B mfq <6i e <4rs ASCII-F s,fis{ Fcr ? lJB,l6l [Ans: bl s&-s SqF fi'{ q<('r<-<ff EtE qc:rd Esd ms : )U Elt{ Encoder-(1 66 ggp6 4}4 T{F Cr{? [JB,l6] lAns: cl (a) t (b)e (c)8 (d)b (1 10 1 1 1 1 0. 1), -q< qgfrefrjl1q {$BI rsFF? [JB'l6l lAns: c] (a) DD.1 (b) DE.l (c) DE. 8 (d) ED. s fr-aat1q-qq gq"fihr 6sHF? [cB,l6l [Ans: b] (a)A(D B = Aa + eE 1o,) aB = a+ e (c)E@s = AB+ae (<l)A+AB : A s&-s 6ErE cE'{ e<r,r<-<S IQF qr:f* Esq Ei€ : * ICB'l6l lAns: cl (b) A B- (d) AB (c) ii, iii (d) i, ii, iii [CB'16] lAns: bl (a)9ltvlit (c)ftrsEl-?r Y qd{l{6$'FE? (a) A+B (c)A+B o) q{cFEr{ (OFtBAir -F l13. $Ef+$rpqTIt{655IE? [BB't6l [Ans: dl 124. Y = 1 cafF qrE, A q<( B qT qF Er:tICB'l6l IAns: bl (DA:O,B:O (iDA=o,B=1 (iii)A=1,B:0 frcorc+hEc6's? (a) i,ii (b) i, iii 125. MSB -q11{s"r<q- (a) Most Suitable Bit (b) Most Significant Bit (c) Maximum Suitable (d) Maximum Significant Bit 126. qEaFairl,l lqfrro )11 q< {cr< {s{fiFFs? ICB'161 [Ans: cl (a) )lb (b) )bo (c) {oo (d) qqo {I\e${l]P (a) q{trFlsR (c)6G'tEr (a) A+E+c (c)A+B+C {BB'l6l lAns: al G)&[.Tls]-rl (d)stE'tr< (b)A@ B O c (q Am I 14. 6@ 'x' GRE ot?F "rR-+6q rL< 6sF c'EE firq I t qBtSesc<r? IBB'l6l [Ans: b] (a) NAND (b) NoR (c) xoR (d) xNoR 1 ls. fr: 1t< q$wr Elun$ (s{ fuFryt +<ts m T{a, <lffilF qir $m )oo)o I Ek qt T$Bf{ {kct ()o) ))q 6sFl +'{rq <ffire sFt+-c sE q[q? IBB'l6l [Ans: b] (a) 5)oo) (b) ))5o) (c) )oo)) (d) )o))) IMil {fr{6({{EEnrFflerqffi...

127. lut{\rtiBE(g{6r- [CB'161 [Ans: dl (i)q{fi-f (ii)w+BFr oiD r{qtrsfi{rFr frrr{6+tqFq0s? (a) i,ii (b) i, iii (c) ii, iii (d) i, ii, iii trftqmE 'lg q<\ "rtr{S IQF qrf* E-s? qt€: Ftm ETEro r+q q( furtt q-<qr qqF <tlR qq&F GIFI q\ ))o) <6FI r Bftffi EBRv {$rt ctcq ()oo5)r qr GIFIiFI rZg. Sftetr€(<f{i\qT{sq6Et- [CB'16] lAns: bl (i) ()e[. (ii) ()))rg (iiD ()a)! frro-{6dcFc0q? (a) i, ii O) i, iii (c) ii, iii (d) i' ii, iii cvrT cffiF cfi e<( "|{{fi qrf{ Bsd {,ls : t{S qs"F A B x J 0 0 0 I I I 0 I I I 0 6st-{ oRnE< qlW"F fi-{l qkq? ICB'16l [Ans: dl (a) oR O) AND (c) NoT (d) x-oR (BFE)16 qir cnE{, qffi {f{ Ts? [Din.B'l6l lAns: bl (b) (s776)s (d) (101111111110)8 ?Efrr+trufrd<qgrtFE? [Ans: cl (a) 4 O) 8 (c) 16 (d) 32 IEffiF dF rssrqi &n qmr+ mns-< qq(c €tt{F? [Ans: dl 130. 131. Fg? (a) (o))oo)\ (c) (5oo)o)r (a) (577a)+ (c) (s976)e [CB'l6l [Ans: bl (b) ()o))oL (d) ()))5oh 01. (a) 2' (b) 2n (c) 28 (d) 2t6 ()4. 133. 134. tcT sH<IRp : slrm:s-o\g NoR cltFd qBt"Fro Nor ffiFd q[$ ft'rr q1E.f s-415q 6S1-q C&A 'fl\s$ SF? [Din.B'16] lAns: al (a) oR (b) x-NoR (c) x-oR (d) AND F = A + AB + AB qF F q<c<ft{efi{Ts? IDin.B'16l [Ans: b] (a)0 (b) I (c)A (d)B 6Fr cFls q{fi-{ q$flrs <i:Ttk qc1ll-{ +{M 135. 136. (c) IINICODE (d) BCD cTf{ clft&r {qll{i @trIs 4PEal'r{{ 6f151{, EFff{ 6,tlgir Tirf {I{? IDin'B'16l [Ans: cl rFGI? (a) ASCII (a) 6r&'tt{ (c) q{[Tl-qir [Din.B'l6l [Ans: d] (b) EBCDIC o)slutK (d)&'r$lslir IDin.B'l6l IAns: bl [Din.B'l6l [Ans: a] (b) (x + z)Y (d) xYz [Din.B'161 [Ans: al (b)P=1,P'=0 (d) P = 0,P'= 0 (a) P = 1,P'= 1 (c)P:0,P'=1 a MCQ: c{-6€t-T*q1ffi3qas 4, 8, C qtrFCFd'fCiK {Fr {s? [Ans: cl (a)D (b)F (c) 10 (d) 16 q'qk+ c$It lz qit 2's complement <iE? IAns: dl (a) 00001100 (b) 11111100 (c) 11110011 (d) 11110100 03. Ah, tL_ G@{qEA"F<<- (a) AB @) AB (c) AB (d) AB firu-dBffi rv .q<< "rm$liF qnrdB€rng : xy z Z 137. q{tF, P=? (a)X+Y+Z (c) xY + XZ 138. X = O,Y = r,Z = l{cE P --?P' =?

02. p = an ec: q< c{fiT\5 ffd c<rt{D? (a) AB. BC (c) AB + AC {IIHl;r: (b); F =AB.BC = AB. BC =A(B. B)C = ABC (1 1 1 0. 1 1), q6 {T{rs qrgfsr{ftldT {\rlx c+,Ftr? (a) E.3 (b) E.8 (c) E.C (d) C.E q:rT<td: (c); (1110 . 11), = (rrro . r too), = (E'C)to NoR q<qEtlB 0 (W)c61{"lT [Ans: c] (0fl6$rHr.{TtrQ{So (W) (ii)T<qrqtt{t I (iii) c cflr{Iq$Etqt 1 frcu-{6sHF{Es? (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii (a) (101011)z (c) (101111)z 08. YqrrFrlEcr<fr- (i)A=0,B:1 (ii)A=0,8:0 (iii)A = 1,B = 0 frrur6$F{Fc6'$? (a) i, ii (c) ii, iii lcT€T*FIII$F F q<{F TSEE? [Ans: c] (a) AB (b) AB (c) AB (d) AB X-NOR q<qm6sF cdB<qtrqqtBtF o<<? [Ans: d] (a) AND (b) oR (c) NAND (d) NoR (110110), qT rITfs{Ft- [Ans: dl (i) (66)e (i, (s4)10 (iiD (36)16 frcu-*mnBc6<rz (a) i, ii O) i, iii (c) ii, iii (d) i, ii, iii ftcur EffmF qv q<q ffi EtF qer<Eq* nNs : fr . qfrT fiqlero Tffi, "FFf{ (s{ sE?- +,t{le <6FI fl\e-BT{FI (l01l0l> I Trfl-FK <-:IC{< q{SS :I(?l]t q(-d- (a) (2s)6 (b) (3s)e (c) (ss)a (d) (6s)B qqTqFr: (c); (101101), = (ror ror), = 1ss;, q.l <q<'iir F,ljnrffd <3-{ <e\frF ss {6{? 05. 06. (1 1 10.1 1), q< {T$T 6{glrsfrflE C$BI 6sFF? [Ans: cl (a) E.3 (b) E.8 (c) E.c (d) c.E cr c'ld-d Tffi t{'F 0 <EqttDt 1 Cr{_ [Ans: al (DNAND (iDNoR (iiD oR ficu<mlBffi'+z (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii frru{ fiqEqF €d,s<( "R-{61 EtE srlfd Bs< Ets : lE* MCQ: Tsl{iigt q{ € mt${ A TIFIITFI EC\3_ qITN{fi- (DA+A+A (iD A.A (iiD A@A firD-dcsHD{6$? (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii {:lT(Fl: (a}; (iii) A O A = ee + Aa = 0 + 0 = 0. slt, (iiD q(EEr Fk t, A : 1 qRqirqtws (0) + A(1) 07. 09. a 01. 05. 06. (b) ABC (d) ABC- {qI{Ft: (d); (10)10 = (1010), 'I'dR (1 0) 10 <sT1iT s]nlFK (s{ <lt{lkF <6T, (101101), + (001010), = (110111), fi rDrEffi qF*{ q<( qn6EiF qr{qEe{E tts : A r_'\ "I)=)"--' Elrq< &aE corq crtrt< crgqr.z (a) Nor (b) AND (c) oR (d) NoR :{$FfIn: (c): y = (ffit+ (-+ 4 = ffi = A* B{lORGate qnmEqit (b) (101110), (d) (110111), (b) i, iii (d) i, ii, iii 03. 07. 04. I M

10. wl{l{: (b); (i)Y = A+B = 0t 1= 1, (i)ss.cfr$r (ii)Y = A + B = 0 + 0 = 0,(ii)4(Ysl (iii)Y = A+ B = 1 + 0 = 1, (iii);Rtl6'Fr 09. crnF6fifr.+E{,flqi? [Ans: b] (a) A+ 1= A (b)A+0=A (c)A+A=0 (d)A+A=1 ,r1qiffiq6geltct- (i)<li-{R Gi)q{AE (iii) (sfrTlq ftE-{c+EE{E<F? (a) i (b) iii (c) i, iii (d) i, ii, iii T{NF[: (d); "1" &&i$qlt{lR, qaq q<( (sfr{lE ffic$it qsffifrq]{lqrr{cq, stt (D, (iD, (iif BrBrfror 11. (37.1 2 5) 10 - .{r qt{R :rf{ Ts? (a) 100101.01 (c) 101001.01 Htql{: (b); (b) 100101.001 (d) 101001.001 r.l eA t l!t t lb :. (37.725) n = (100101.001)z firE-d Eft'r{F i{F qd,{rR "ll-{q qrfd E-s'+ qls : AB LSB "r, I I LsB I MSB 12. ffio6q3(fi-qqEEFicrfiqsqlwdrffi c6o trr fJ-\-e*, rilo-D roo-ilfrLEdceliFq6's? (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii o sFttrFt ! rM ICT eEt<ISp : €Irffi{-o\g Tqt{Fr: (c); Bft'ItrF-d <6ffIs qfB?t, x=(A+B).(A+B) = AA+AB+AB+BB = A(1 +E+B) + O qr<r'<' e --rf-\- (A + A) = A' -1J stt (il)q6s' e<re---ED- (A' e) = l, stt(iiDq6s, [Ans: al (a) qisf< (c)c<&tK (a) 00001000 (c) 11 1 10011 (b),4TrsrsR (oFlB-nl-d (b) 11111100 (d) r 1110100 13. ffic<{Q{S{$lrt 4 cffi qtvBtc$Btqr{- (a)4 (b)8 (c) 16 (d) 32 {qFf{: (c); fu-Ovn-<< fficq, t{t n q\{rs qm qGB1b zn fi r ;. tl1F +fr RrEq6"F 24 = 1,6fr frru-r Eft"mF qv q<\,r<-<fr cr:R Eqd Etts: A € B EF $5fu E?HF Et c("BI sftEtfc< 6{t{'FUEtr{ Gl.qt"H T',K q<i qer<fr T(?Bt Etd C{FI$E 6{dFi[rE{qmsl<r6t I 14. B<gftFErqI15. A<6ftF6$FII{{@tlI6F? [Ans: b] (a)qFBrr A)ffcfiS (c)frfiK (Ofuslt< 16. A+ BC : (A+ B)(A+ C) Bq"ffiEret- [Ans: dl (a)frfi:q'{ (b)qis{ (c)dfr+ (qfr-\,-IsT{ 17. q{frsc(rtfi 12 €{2's complement $9? srt{Fr: (d); (72)n = (00001100), (12)10 q< 1's complement (11110011)2 .'. (12)16 €( 2's complement {CQ (11110100), firueEfttfi qrm q<RtFl{{S effidBwElts : 18. Efrirs{{6ftfrdQ q<{rtse? (a) 0 (b)1 (c)M (d)M+N c{r{E: (u) ; Bft"i(€d <6ftr\9-, Q=M+(M+N)+(M+N) =(M+M+M)+(N+N) =1u+M)+(N+N)=1+1=1 MN

19. Eft"trc< on cant-< qkqn5 c+rq cojb<r<qmc<re q{fie = o si<z (a) AND (b) NoR (c) xOR (d) x{OR firt{Ft: (a); OR cate q< 1R{6 AND Gate ilF[qtt s-flqEftqc$n16-(9 Q = M.(MN).(MN) = (M.M.M) .(N.N) :0.0=0 cq E&-s <$? qTiFf fiEHR.$Tit_<i-<tr qtfifr c+ns"lRqeTrdqmft{c6rZ [Ans: b] 20. (a) c<&6R (c) &r$l\5ld (b) q{rdvkT (d)<{UAir 21. a= 1,b=04TF[a@b=Z (a) o (b) I (c) 1l (d) l0 ,i:rt{Fr: (b); aeb = aE + ab = f. 0 + 1.O :1.1 10.0 = 1 (1010), q< c{Eq, {l{- (i) (10)ro (ii) (12)B (iii) (14)ro frcuamlBc6-rz (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii {qt{R: (a); (i) (1010), : (1x 2s + O x 22 + 7 x 27 + O x 20)10 = (B + Z)10 = (10)ro (ii) (1010), = (oor oro), = 1rz;, (iiD (1010), = G!t!), = (A),e {o{t\ (i) € (ii) {l. }r8{ I ASCIr-8 cokud {t{r6{ ovE vffig <4, *,qx * FqrofifiEs<T{r? (a)728 (b)256 (c) Stz (d) 6ss36 {Ifi{IT: (b); ASCII-8 qsEqbfiE Gol-g{|3lEtirt 28 = zs6 E qfrq'{ <{, c$it <IF+rs fiffr <s-fl ${ r E"ng rg vqr ci{Frot-d clt{ s&s- lAns: bl (Dfr1-Fr (ii)qflvk (iii)G&€Er finrdc+tqOc6s? (a) i, ii O) i, iii (c) ii, iii (d) i, ii, iii 7, 8, F,..,....,....... qmfi{"1-a<q{1-4<rEZ (a)A (b)B (c)t6 (d)zz I:Tl{Fr: (c); *t!o?, (r,e,n ffifE cqfisfiT|E c(fi 't6ft-( qrsB r$w {kil {k cl{lst ws{ (8_ 1)16 = (F(15)-8)ru = (7)rc ; 6{r{Q, F Digit F qgksfintq qR]l qq&d ffirrE:flET frq.Fll{r ,qrl{, {ffi{ "R-<q{F{r{, G)rs + (7)ro = (1111)z + (0111)z = (10110), = (0001 0110)2 = (15)16 23. 24. 25. 26. 27. 29. 30_ rcTaSqrqo (100)2 q<( (M)16 qn c{FlsEsE? (a) I A (b) 1 B (c) AF (d) AE ccl{Ft: (d); (100)z + (AA) ra (0000 0100), (+) (1010 1010), (1010 1110), = (AE)re {i@;IT&EtE{Ts-{trr<&<4r+q-s'$@+-dl {l{- (i) ASCTTEFt (i0 EBCDTC E',tdt (iii) Unicode EEII firo-*c+nBq6'$z (a) i, ii O) i, iii (c) ii, iii (d) i, ii, iii qqI{F: (b); EBCDTC CslsCt{kqE IBM 6{t{GfT e ffi qfrEttr<<lssEq{, stt (it) T(, qrrurq6-$ B-s-{Er<ilr 28. qiffiuIr<r{t{tScs_ [Ans: dl (i)qaEaq{if (ii)axffrEq$BI (iii) qqrsfr{Fr{(TBf frru-drFFcfr'$? (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii ftcE{Effi qV' qq( EtE'rr<6 sr{rEE-< clE : F&Ett< fisr rfts cn-d c<xM (77)8 {sfiF frqcqqr Bft"iroEfrFtioc$Bltr{crqEq1frsc$Rjsiql- (a) s6 (b) 63 (c) 64 (d)77 {:rI{Fr: (b); (77)B = (7 xg1 + 7 xgo) =56+7=(63)ro Efr"Ir$T csq:fi{ "r<-+6 cq?BI ffi Ffi r (a) (78)u (b) (100)s (c) (200)s (d) (7zz)B {:[{Fr: (b); Eff{r<rd cqffi( ffi cqffi <q, (77)8+(l)8=(ll1 111)r+(000 001> =(l 000 000), =(Q01 000 0002 =(100)a frnr Eff'r$tr qr rrr q<( Ettr ffi em{ir E-s-d rte: 3 l. EfrqmT@{6Fmrq oElFrt+tec<? [Ans: a] (a) AND (b) oR (c) Nor (d) NoR

32. Efi{r+-{6@{cri?rB<qfcqlNot cate {sofl{ @l{ culEi"llsrr{l{? lAns: bl (a) AND (b) NAND (c) x-oR (d) x-NoR 33. &RKE Ffi-\r,< rer<effitc< <r<qsc\"[t'ffi Ssef$l<? [Ans: cl (a) 2 (b) 3 (c) 4 (d) 5 qrdqfuc'l$6sFE? (a) AND (b) NAND (c) xoR (d) x-NoR ,lfTItIl{: (b) ; NAND q<( NOR Gate q'$trF rf{-qft{ dlt{{tE{r <t({f stql-rs sftEttffi qq$@ $A< qI, T6flr{ 6fR:Kr{{C$]-s{f{qE{{? 34. 35. (a) BCD (c) EBCDIC 36- A+ BC = ss? (b) ASCII (d) Unicode (b) AoB (oAB+AB [Ans: dl [Ans: cl 31. (a) (A + B) + (A. c) (b) (A + c) + (A' B) (c) (A+ B).(A+c) (d) (A+B) +(A+c) qfr frq tq"F on c'l&{qtBb$ o (w) c+ el.qq{ q{sErE6oFEqr-IIHSiINEr<? [Ans: al 13;afqft"Fo (W)q<Ig<( i61aqaft"S t s{ceqr{ (c) a coltrIf e+fr trt o (w) q+o<< (q c mft{t,{TFQr$ t e<rcqc< frcu< Efr'r+F er q< q<( "w<q srfd B-s< q'ts : F,{<fl{C{Ffr? (a) AB + AB (c) E6B 3e. Vftqrs s&"s {6d<{r+{s{ft${"t mt{tr? rql{Fr: (b); Sfr{rs <<ft[E F q< fi{, F=AB+AB=AOB ftru< Ea"l-sB qT r'{ q<( eff,<6 ef6!l{ E-s< qN : A B C (a)AE+B+e (c)A+B+B+C (b)AB+B+C (d)A+B+B+c rM ICTCSFIIITP q{tqfd: (a) ; Bft,rtrF< Ees {IfrcB< qEt'F, y = 1A + B) + (B + e) = G.B) + (B + c) : GE) +18 +E tq$Fc{A-fsmt = (AE). (B+e) = (A+E). (8. -) = (A+B)' (ac) = 666 * BBC = ABC + 0 = ABC EEfTTs t{"F "itErrK q(rlI Qcl(g qfGI ql;r q$E Frs,c.{fu1q.{ffir+fi<re? lAns: dl (a) 6ffit{ (b) c'E} (c) UEE (d) dBBr{ 246{($lFqF"ilr<- 11 csfurr (ii)q+tn (iii)6{sl[sfrcrq ficr<mtqFc8sz (a) i, ii (b) i, iii (c) ii, iii (d) i, ii, iii {{tffi: (d); "2", "4" q<( "6" qi ffi Disit t (gF{e, qstlE q<( Rqlrufr(TE qqfrqB{$lx ffifrd ftErql{ <trls r ott, z+o crffi et fr{ {$BI lhfu{ crsFtr<tEce itrn I 78 @ <liTkrs ersH q36a q1ffi q6q- (a) 1011001 (b) l11l0l1(c) 1101111 (d) 1001101 qfi{l{: (b); (78)1 6 = (0L71 L0l1)2 = (1111011), fua-<Effi qFEd c<r6F "r<<ff enilaEs{ru : B C wlTrl{: (a) ; Bft 'fr€d se-s tfl fr 6, F=AB+BC:B(C+A) 44. Z rg S qi cultF<ftqq e1ffi 6-s6E p q<{Fl W Er{? (a) 2- 6O NAND q<( 3- 6s NOR Fffi (b) 2- 6S NOR q<( 3- 6f AND S-?IFI (c) Z- Cs OR €<( 3- 6s NAND SiIFI (d) 2- @ NAND q<( 3- CS NAND F-?rcq >FTftfi{: (b); 2-6$NOR q<(3-@AND F-ffi, qroi"FF = (AB). (E+O = (AB).(Ee) = (AC)(BB) =(Ae).0=o(W) 41. 43. F q<${<E? (a) B(c + A) (c) c(A + B) (b) A(B + c) (d)AC+B

45. 46. ficDT csn E&-r c€trd qEb"F t+"lrir fuaE? lAns: cl (a) AND (b) oR (c) Nor (d) x - oR 1&fiFr{$BI rq&(g crE{t qsB{(rftd{l{ fr4r $ilFwti[f,$l-?l- [Ans: dl 1i) t+nBo <r+qv qiserEld frq'r {|{ (iD T$mEF nr<qE q($erqir qt+{ qtT (iiD{sRrffiB{c{q<tGfr frruqmnEc6oz (a) i, ii (b) i, iii (c) ii, iii x-oR 6'E! ?oR(\g- {,-{qs E{- (D OR Gate (ii) AND Gate (iii) NOT Gate frrr{g:EBc6<rz (a) i, ii O) i, iii (c) ii, iii (d) i, ii, iii cTIqF: (d); X-OR Gate €K Output F {6{, P: en +ae r q{R, x-on cate?skpAND, oR q<(NorB{E Gate t<i{qsqq | \ojt (D, (iD, (iiD ffiiq6$ r 48. e3[rs&$rq ao qswgqlq{frs{F$82 (a) t7 (b) s2 (c) 6a @) 77 ICT€IIFIIIIF qqt{l;r: (d); (4D)16 = (4 x 161 + 13 x 160)10 ['.' (D)ru = (13)16] = i54 + (13 x 1)]ro = (77).6 firxffi '6p6qra{,s<tliF "|<-{ff enRtwqt\s: 47. (d) i, ii, iii "tftrt-< qtqqq-+ ert IDB'l9l (b)A+B+c =----=_--= (d)A+B+C a CQ: fuis<q<q{rq{c{6 or. qfuft{$irffiGftz ICtg.B, CB, Din.B'19, RB'l7l [!fi m xru mfuoEE qr (0, l) <r+do<t.r binary {itl etEG r q{60lul{ft? IDB'19, BB'17. JB'l6l - EEEI G digital circuir o 2n c(rlFF input frcT n E output el\eTI {lit EI6f q{Sl[sk AFI I ASCIIff? lRB,l9, ctg.B't6l p!fi1 escu q< 14s"l American Standard Code for Information Interchange. ,4fr qs &lilfld qlEsl fiSrqRo co,ter c<&?mftr IRB'19, BB, CB'17, CB'l6l EEE esaq nip-nop <ErI I bit vfi q(<{Ft ${rE {-crElcF6&tEr<Fr lSB, JB'19, CB'17, DB, Din.B,16l !@ ftfr& cofv <r Binary Coded Decimal. slE-flrtr{frls'ft? [!ftoEnn<amru z, qisrdft? ffirufsFrqQrEafrrs 6 aq-{ls{tffiEm mt't Fnt{Er srf {FI qjrsk I \\ lsB'r9l lBB, Din.B'l9l 4e. Eftrr$<qr$t F q<{r+{Exr+ ffir6? (a)A+B+C (c) ABC Tflrra: (o; Eftarro<qBt"F F=E+E+e- =A.B.C=ABC 50. Eft"]r$=>- q<q6q{)o- <rrffi F qr cr+fE fi{ fur-{ 51q 6rft}5q md+ s'm? (a) oR (b) AND (c) NoT (d) NoR ;:lq,;;1x1.ffinr6{\_ o<qm --2 -./ =(A+B+C) s rT{IEsT 05. Unicode ff? EE tr.t< cqtB w q-oq sFkF $FqEEtr< 6$lsEi@ siflir q-{raBfrr$'Is <r+qs qg r tBfirors fqv q <?! n )s R6-d (stsr ql 6s[rsl {tvfi sa, aes <I, \)"8 qfrqsFe rofifiE o-<tsl{ r 06. Universal trib ft? lCtg.B, JB'l9l [!fi orc 6eNo) oit, q< Non ) cuElqrfi rrsar {<1T{ 01?! <lwEH E{t rIT <FI €(h-{ uniyersal cuib <re r 07. ftffic+tsfiz IMil 09. ffi{dqgI6qRST"F{'.rt..

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rcTEHFrISP 07. "1+ 1+ 1 = 1" - <iFlfisil r EEE!'l * 1 + 1 = 1" Logical oR €TR-s<lIlFI r Logical oR - en dfrs E t'lIql A + A + A + .......'..'.'.' + A = A A = 1 {m 1 + 1 + 1 + "' "' "' "' "'+ 1 = 1 ." 1 + 1 + 1 = 1 os q{froe <]ffi{$mqq&<"lldsrcq{? ftft q{fr"r s nrffi:rcitrt qqfrr qt4T.r: q.lfrs'f(lfi{s& {iffinrqn{sG (D q.lfi-s{("Bl flhfus lo Fq\F afirs I (i) <lffi crBI ffif\91€ \E qio efiro I (ii) r.1fr6 n$31 qqG cFrltrls 'fcFll{ FlGi qE{Tr{qRFKT (ii) <E{tR {$lll ffiE sFqE}Esd fiq? sl{l r (iiD E"{fuo {sr'rT qqfuT r+cR sftEtrd Qqtcqrtqr+r (iiD <ltflR {sn 4q&T q-<ffi +ffitn< tqSfirtrmr 09. 9t]IRtr ffiair6<rEBq|{<qrq ASCII _ 8 : fifrtrRB ffiu5 q$rt{FsftB 10. {({lt 'i5&F 10ll0l ft <-<1(l-?T {$lI? <lt{rt o{ I ffi rorror,a< &fr <rn cq€{t clt I <fr' (ro r ror), Es.c-c< qffi ccql (101101)8 <{ E[< q?lE Cr$I (101 101)10 q{ E6{ @FNF[ {$BI (101101)16 q-{ \o-r< qglrsfi{lq aq$rt a CQ: frne<q<c{r$ r<M 'f?Tt{ qr{FI \e EEvTqsvl"{E'$ {* \e q{{IE-s'd omfr{crf{ G{ftsm Icr frs[Tdc$]'l qqGfir{qlrslrqtF-dQr{{r Flcrr{ qF 'Iftr{{rkt fitr{6T s 6{EFrs &re.q qdrdn Ftq-{t >r qEfr{r 'tftT[s rCr fr{rs +u ryr* c"imQrqf qlr{E ({E (105)8 q<\ 6{RF irq-e @ft ascrr - 7 c{tru-{ fi<rcq q$tr qGks RE mt't sr,< ASCII - 8 q sotlsRu sK qRfi Ik F{t <{re r q q&k-s uit t "titfrE fib mrn: ASCrr - 7 ' 4l oTol ol'To I ++ *tfra .sgprefiE (4F)16, Ftq6 <r{ {lTr fivr Tqq qlEr qtfu (100 1 1 1)z .rffi e[BR r ('t) firold dtd TfiE q.1fr5E 6"fl-qr <'-{ I lDB',l9l ({) 6{trqq € Gtql{ qd €lts {{r{d qffir {t{-ri 6fic'f{ {Krc{ firfT F-{t Tlr fut? fu:N"t"Ift rElrs n€ r 8 rMm \\\ ,rfurq-{qsnsBmq"m-. e

tcTerSflqp E fism qtsm<Fqq (100111)2 r ,{r$ q{frrosqlsnrinE, (100111), = lx2s-r 0+0+1x22+7x21 +1x2o: (39)ro q{R q.tfrro fi-st( {?-:r (39).6 r E frEqq s 6RIr+< qTrr< 6qrsF qTFro 2's compliment rF{l RFr st< ftaf q'{,trd qrB m< +-<re E-s qm qft-< "ttd$I Gtc'ld$$I{ "fl\e{tfi6< rfrOE|Fr{ fi"lfr{IRE: ml6{c{d{T< = (105)s = (001000101), GtRlFiTfii{ = (4F)16 = (01001111), fltrqfl< {T{trF 2's compliment FR01000101 l'scompliment 10111010 +1 2's compliment (10111011), qrE Flq[rfi 4{GK ftq eF 6qrul6fr01001111 10111011 overflow-+ @oooororo ... 'tf{s,r = (1010), = (10)10 = (12)s = (A)r. c{R Glc"ld Tt$T{ EEq-< fficK ff"fi 6.rir sil TIr{ I Eft'r+F qv e<\ frru-{ et-.$orel-{ Esr cT€ : INPI]T OUTPUT A B x 0 0 0 0 1 0 1 0 0 I I 1 ('t) G-6-) mlr r'Rdd rtrcl {q.lryf q:r qfu nt',s r 1l1 Eft'tro.* 6-o-e qr oiqi ftrt FE-q qr olq?rs <Isrtffi +-*t c-fi ft-{p frrfloi1{r rsfqs q'ls I E Eftqirc< : qr Sq eNo crtrt< xtret a6i{ r frru AND sate qr <4aI fis$ qmt r __t_v_ -tt AND orF< circuit' L ___la * AND c:l&< Truth table: A------l-\ ANDgate: el-_}-c:ea Input Output A B C 0 0 0 0 I 0 I 0 0 I 1 I AND eFFl.t lDB',r 9l I 8 IE Eftarc< SGII tg \\\ {fur+dquIrffRsrqffi... e

E Eft"n+<Fq-\eE{NonriBr$-:lFq\q{x-NoRgate. NoR('l-F{{t{fi{x-NoRCrE{ts{Lr{$-dl<l-qrfi(D' Et ql-rqlD;[ Fiil q{: NoR crE E{ Tffq+{ aS I q( ${IFT flrsFI c"jB <ls<lrq o<t rq< r XNORC'IE<CS6q: X = A@ B = AB +AB = ffi = AB.A B = (-A +trXA+ B) = (-^ -E) + (A + B) Ef{lf Logic circuit fr {r{- AB q]-FrIFrl{ 6.Ir{ T4l {I{ G Fq-e ,a< Cuib &'C{ Fq-e q< 6'lB <E?rlfl qfl {l{ I 11 ffiaa EfrFtu 1E s 1fu-< sli{-< cl{fi-< pl <ffico 6{tb qv qrs ffi T< r p flan s 1E< S'rqr< arra-d {ryi $tlcm cqqwfrmq e Erfi-{r c(rrmfi{T Fr r E BftrelB<B"mr+<qN = (sD7)ro ,ar{E.{ft-cofr(T @ {t, 5D7=5x16'z+D(13)x761 +7 x160 =1495 ntu<E"i'qn-+<rn = (eee)10 .'. nlB = eee - ,-T;,1r.13r10 ,{rofigRrofrrr {t, 03. TE, Awe s {E {q{A-d fr<rq$'rqrrr {anqrr (5 D7) 16, (7 50) s c (999) 10 EI:FI fir{$'rEl-< ffft q{ {fE r IRB',19l 8 z 177 0 0 1 .1 <]ffise*ffi= (2494)n= 0 (100110111110), z | 24e4 2 11247 2 | 623 z | 3tt IMil bt qffirtdq'nrRoeqqffi... (iI, \\\

ICT €GFIII$D : q{8l{-oo ( E Pmrffid6T@, (7s0)8 = (111101000)2 = (1EB)1. 1E< erc-o, (5D7)16 = S x 162 + 13(D) x 161 +Z x L6o = (1495)ro q{rq 6q-gtcvfrTtrq pwrr< Et<rm ea{{i (1E8)16 q<( Gfrct(dr eg< E"r{nr qnTdTI (14es) 10 o4' rRB'rgl (tt) Eft,lra Y,sd crdr{s cf{ ffi T{ r (T) Y,S{{it6r{s {r{ m NAND diF si-il<[s?tti-{F{ I ... Y = M+ RT s = M.E.S {y qi{Ffr{fl Y q<IT+1E{Fr, v = M.8.5 = M.n.S = M+ R+ s {fi 4[-S NAND gate Ek[ <ls<ttfi:FirFl q{R, y q1 {d+{s rFrs qsf6<r <f€krfs{ F-dl {ir I ffiqqfrFltc.lRe{{(fi ts&{etr# {riHtE[erFrdr qt {k{l{GfrIgrfr* ntH-q<nc (!)o)o))i q<( sttmg {{r (cs)" <qq r fi s sk vrt qeQ <t6s-d e ,q+t {rorol-{ RE r{ {rFf {{I@r{ (\ol)s c (c)o! Effi ftq&rmrcncqmiiFTFcrr lctg.B,rel ('D Bftqrer EfiT Elt € 6$nr ${crm,itfql. c{fid rt{rrc ffi e-s r I 8 E I ({) strqir I;{ <,lrF qan vfm anGm fi4r1ft rcms w r I I M+R+S = M+R+S rE

lcT etE[<Elw : €IiBIT-oo I r ar ora-< 'q' q< \sr{s't I E (2 0 7)rc ,/l\ (0010 0000 0111)2 = (1007)8 :. (207)n = (1007)g + ($Efurfdi6F cfift-{ c'F ft'r* <rs<F-q +-< t lCtg.B'191 I 00 Eft{r{r r(frE[g qTF t1T&d {($t eE {drq iY{ 6{ r6F {l€{t {tr<t NAND coE sl$ <fg-{t{{ Frd (t{trg r 8 Eftqrq <6ff8 qcB 1.q qltsld r x s=x (EY(ECr =X Y ci+XYei +xYei+xYCi Co=YCi+ XCt +XY cFrr{, 8 (776)s 0- P<R,<fu{rtl'l{tf{ 06. s m I tul I

Bftllffi <6fos csF Rqt cr.lx (M Gr{ ayq 6{ <6ft8 qNert {tFr ET cr{t cls qilsl{ I S C x Y S:XY+XY = XY. XY = XY. XY C=XY=XY 07. lfr , lfr '< <tist e $[T'd rrffi {qf4r{ (10) 16, (100)8 q<( (2 F) 16, <gr I ('l) 1fr'q 165s qo q?iluT {\{iIs {,ts{ {-d r (s) Ifr'd <l<Id Ts{ 1fr{ qssas as q"t? ffi +'a r E lfr'u on-su <* (zF) 16 {t qgRpfr{s {$tlt r R$rsfiTFT @ cqtro <1ffi : 2F /\ 0010 1111 .'. (2F)r. = (00101111), <lfficqmqttq: r 101 r r11l r II57 .'. (101111)2 = (57)s ... 1fr< trr<<al (57)s. (Ans.) E q{Fr,{fr{{s{ (10)16 did<RKTs{ (1oo)s 1ft-*<r-+con.lfu<;n'no< (10)16=1x16+0x16"=16 qfr '<<r<Fas{rsq.lfr rss'[s'd: (100)8 = 1 x 82 +0 x 8' +0 x 8' = 64 .'. (100)8 = (64)ro .'. 1frq qFild <T{ 1ft-< <lrt-< = *A = 4 "q (Aor.) lsB'rel \, 8 KI IU NT \\\ qffirl-*qsrnrRerfiFt.. e

IGT CGFRISF B C F=AB+A+B Fig-l Fig-2 (fl) Y ercrftts{cfiftFdr g .r-,m arftgu qfwd c.RtG <tt*lR cqtrt amqs {tr'-frel'q't Fd r q{ttrI,y=me E+T, +t =(I+E+eXAE.e) &{fi]fri{Gflqll =6EEe +IEEC +EEee =ABe + AEe + EBe 1''la=41 = AEe(Ans.X"A+A+A=Al I r=er;m =IE. ffifuq-d'BtrffiBqflqi] : IB (A+ B) : (A + D(A+ B) = AA+A B + AB+ BB :Is+eB [r.aA=o]=eOs F q"cq+{s{ltrK oEFEcr{I * - oP 61$r x - oR oR&crqlrqr{r{qiMr{<lt-{R 6$5t:F{tq{r I 8 tr B C 1q-qr1d< qgqI qnq q+E q{-{R fl 6 qf ,ssF snR e EE cRrT ffi {C ff E ffi ffi mtrt or< mWqq s qIN qlFFl c\{Jl<I{nR 6€ o$Gt I 1q-qilsl6{tq'Fx, y € Ci GitrF (qFIF S € 51ft C. "flsn1{|.g I eFlqEtq-qitqr<El?1t x € Y c{rf CqFIT-{ s, s:FIfr C, s <{fi Cz "ft\sTf ${, {rt(ffi Q = Sr@Ci = XOY(ECi -....-........ (o) tcrQ Sr = X@Y; ())iiq$lcTl €?r( C2 = S"C1 = (XOY)C1 ... ... ... ..... (8) Tq-qxElrffi fu"F x, Y € ci c{rs csFlq{ s e tifr co {r\3$ Tl{I I TtffiQ frFtsES = X(EY(ECi = Sr(ECi = 52 ... ... ..... (a) vfifr, co = f;v6, + xYci + xYG + xYCr = ciGv + xy) + xY(G + ci) : ci(x(EY) + xY = c2 + c1 ... ... ..... (s) (8) R\5rt{tctl ci x Y I N lsB'l el

lCTgSmSr :UFBE8-o9 09. 161ft66ft6slq{rttq&qqfiqr:rtr dmEf(6pGilE[clp&Epitn",u6q (3zs)rotg-lfr.[r RlT{@-{ 6{q {fldBrs vfr dFr+ fiqRft} c$rf 'tcFrs Etsq +m crftrnr qdBd iE qErfi 6{Fr rfir (tzc)re E E 10. qFIF 6'tir FtT''$ Erd CF q*Tm {qftErEtrqt$tQ T{rrtrrFinen r ('t) FtTrrr qcFfio c\{lt rctrcg r6ffi 6{tlrclEE fitcar T-d r 00 cSttrd {Frn 6dFT iTrlr{T 'll{rFr fr{TaF fti6q1 qqq, {qm[{ Tir I Ftqm< qqtrE {$rt fiB qrr qaBq {qG, 81375 trffi "'(375)16=(s67)s 0-5 r T( Erf{ .q, qT \nTm,t I (rD Efr'tr{d qBbltt r- q* cf{cEr<FrRft[s fi'{t€ r 19 yftpf r+e r{{m .l' GRs otQES fir{ <ffiEH rrq{? Rds.t T{ r IBB'lel I 8 IBB'191 I 8 E F = p + -a. (R + F) = F.o{p + R) = F (O + 1-r * n;; = r(o* (F E)) = (o+ etr) = Fq+FpE = Fq+ 0 = FQ igFPqRfr: P a R F=PO 0 0 0 0 0 0 I 0 0 1 0 I 0 1 I I 1 0 0 0 I 0 I 0 I I 0 0 I I 1 0 (tCFqMP=PQ qRtd, A cqRb qrqt NoR 0t$ | ;r'=Fe=pq=paQ=paQ PQ E i+*' I E \\\ {ffi-{dq"r'rEe,fiFfi... e

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rcTer$ilIrqp Fo-r Fq-: ('t) Y ,4<qh c.o-rsckftF cq'etNe I 8 tr E $ S-q-q EIit EGfiFEsrft 6iqt fiim G-q-) q< qrYqi qffi <lv<tfl q<t qs< ft +z frcl<q r< r l0 {( srffi 'rt' q< q{fi't I frE{qz€NeNncate : Y=A.B=AB NAND Gate EEtl il-€<tl$t: x = (36.75)10 Y = (5e. F) TR-{.,f-rt (t IrrrF-d'i_T,4( fE (srtl lq = rsol,o I !:lrT"'l-{ x s v ed{Ilrs<RSlRrsmf'lq{r 15. IDin.B'19] IDin.B'l9l 8 tr E 16. m Enq5{-q * EAR$ P s Q qr {r$ <Ft{Ft \ qR "lRTffi 'rhG <rqt{ s,r1 ffi qd r 13 q {rtrr '{', q3 q{sel r I {( Em-?t 'rq'; q3q$et r (fl {sFq-FfrRso,mqsrc{kfrsq&-s<6frqs-{T-{1 e 1q) +FrWn-<< mrml st{trs {lXc< GF{5FB sFfl-rr frilsRE Grc H-s GrE( @Ffr{ Pfr'sr wkq|fi frcF t qll 8 rM lcB'1el roFq-+ roF{-"1

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lCTegt<I$F : oIrfIIE-oo ('0 bftq,coEfrREqQfrGK,$qtrEqfrrr qffi qtr F) c{rrtd {t'{rm Brd s lfr-< qRftEls I 4i ECI-{ 'rt' qK q{Set I I 4( qr$( '{' q< \5r{s'l I (rD Y- qr {l+ csm cldftN cn".Irs r F) X-,qr crsTE qF NOn cittt-d {-qfRl <rsqtq;t F3t I E y =P.P-.Q+Q.P = Fq+Qr = reQ .'. qF x-oR Gate e< {slo TFft fiT{"i: P o Output y 0 0 0 0 I 0 ,| 0 S x = p+ p + Q+ Q.R = P + Q+ Q.R = P+ Q+ Q+ R fts{<'tFl = -P + -a + E = p. q. p 1fr Taeffq1 NOR gate ftm {l$Il{tr{d ffirq n.q.n = F +Q +E = P + P + a + a+ n+ n e"FFqBfrocne*qrqt: P o R s<rf {€ir? ffiB-+otrq fod{.t Tr r lAll Board' 20181 I IAU Board' 20181 17. <Id e lfr qEfiE'tftslir (110010)2 €F {[{i (62)e q1( (2F)16 {Tf c'frnrq I $s{rrfd"fl{sr.ffi tr @ tr 18. 19. ElifrEFts-r qFm{ aftrecc{rt'{sG qvtRr{{ r ftE qsq-{qrdrd qrl{RTfiErd Frd["tfrfr fi'irs crs\,R 6dtq {rd &EFTt qdrdH 1 qo Ew ft-t (31)ro r q;rol{ Ftm Efrm qs alPra mt"r &E1'l't crm Eq< frq (15)10 t \'lFrFFF.FEttrF l?nfi, rclnqqmqtrqtffvt-<TEc.t 1F(t'i Talqrmq I IDB'171 $ Eft"n<rd ElrE-d Et G{ft'd 6{ltr{ ffsi eflEI Rtcrt{ {t$fi cfit rGt TFEIFFTaK qffi Fira-+ +q r e rM 8

E r{R.Ersr'\'qrq1s'lr 20. cmt e ffst &ttr qqt{q ftR EImtE-{I q<Ee r 6fqt Tffi, ffi egftqF 191-F (4c) re etaQ I fu <e6T ffi rcT-@ (103)s {rd c,mRr cq 6{frro'tgrtvnmvrt1rnflqt 6s cFtqTd cmel [Cts.B'171 (q) b ffi 6G[,trd arqqrd rrd '\-qr qfrtd{ qqfrle Sftqrq.d 6f,{ e frs'F q$ {?1T{ 'ft{Tr fr4T <:r | 8 1 4( qrs<t '{' q6 q{frel r cQ: {sklsc{t{ e Emv-*qselTffi qf e i{'{tE-s-{ FE->: E a 01. ciQrB*cHr{riflffiE <[gitlaFtTltt 8 E @ E \\\ (ot) 6-q-r qrflffi<Frrffi cnltf€ I (s) tr{-r qrqfEb'Ffids"tT6 cfrFr{ cg,FFcm: X=Dz*D: Y=Dr*D: Do DlD2 D3 S = A BCr + ABCi +AB Ci +ABCI Co= A- B Ci +.A B Ci + ABq + ABCi cfrft'<e ottt* q|dai crs?rfrFr; Do D, Dz De x Y 0 0 0 0 0 0 0 0 0 0 0 I 0 0 0 0 0 I qvrsqrft' A B Ci S C" 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 I I 0 0 0 I 0 0 I 1 1 0 0 1 I 1 1 IMil bb qffi-€qErm&w"Ftu-+... e

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