Kurukshetra University 2007 B.Tech Electronics and Communications Engineering DIGITAL ELECTRONICS(supplimentry) - Question Paper

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DIGITAL ELECTRONICS-2007-Supplimentry

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N'vrt :> /\rtcnTipi VIVE-questions, AclottiDg ol I&ilhI ONE fhatn mch unk.

UNIT 1

1. (b) DiHcreniitft btiweai XOK Bid TiNOK KPttk. IJniw iJjtir

boolean ftuutmna *rui their logic ctrcuiA, Write llic iruliitiblc of 3-lnpiit XOR and XNOR gales, ID

(b) TljfTcfetriiSfp bctwWn HxtcJt-3, Gr&y iirl.fl ErfOr tltleCtdflfl and Correction t?o<ics, How the Error delcciiun and the Ctirralitm Old itrr unplantdlHl /nr sifif and cfpceltm 7 "7

(c) Wlai the diffortnoc between Pfrtiiivo \npc md NegHivc ktflc ? Whnt ii Ihe concepl of noi amrem In btnsry sinter

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2. (a) Elute ifld prow Dc-Morgan'3 Theorem 4 fl>> Mdrc the rormrcicna cf ;

NANl> to NOT AND to OR '

NOR [p NANO AND Io OK B

(cl Whit ii line diffcrciiLje bcLwom Binary number and tbo BCD number ? 4

(d) Wtufl ia the tttflcrcwe btfwoen rwinn And ttela! no.

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3. fa) Vvtut ii the cunccpt of ovtrbppin jn*j ftedndnrt gtp in the

K-map1? Explain irilli an example, 5

(b) Dikxks In dcud ?i oumpletMai Aibkr Subtnctor Unit wifhi iu Bludt diagnro coaufltfi>tf toll Addcn. H>

(c> Wlutt a the {ftfferonce between Pktmffel Atkiert ad Scrud ? Explam,

4, Diwia the multiplexer with iti hpa circuii ind explain it* application 1(1

(b) What is the dlflforciiw) lietwecn UttcidcTH and Encoders '? Explain Encoder (rircuiL in detail with itt loc diagranL Lfl

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5, (a) What, is the differHicc bawceti r*c<r otmdition aad undcbiil

stale ? How ttvp Bate aomlilion in ruttnved in Flip Flop V Explain. Hi

(b) Draw ttlC circuit of MDlH tfniaur ifynchnnicnil ffiude >hJ

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(c) wmc the app5 tdhont nf emitter. <

6. (*} DiscuiiLbc R-2R Vwklcr DAC inddaU. Ditutslbc<Hjini,i} - *

of K-IR lAddorowf Hiiury WdghmiKcw9ihcTygK}te(w<vh

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(b} DiJcim lhe Suceewivc Appttfiimalkfi Tjrpc ADC. t|>

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7. (i) Wh*T arc ibc advantage* of TTt ftver fJTL 7 Hsw [bai*

advimliijiTa cdjic in TTL ? Explum m detail with the hetfmf TTL circuit. Hi

(h) WHtf in the three rtiuo nwitch f ni-Ku-iK Ils circuit with bt application in OOiupuLsr*. 111

3r {a) Whal it the differenct: between Hlutk and dynamic MUS Iujjh '> Diacuaa with Inverter cireuil. HP

{b) DCTX, ii cnniiLli! tu be n'lifw powered lotpc family Why * Explain witfi align: HtbuIl While HT Us High Powered, why Expdnip with logic circuli, If]

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