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DHANALAKSHMI COLLEGE OF ENGINEERING

DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING

CS2253 COMPUTER ORGANIZATION AND ARCHITECTURE

QUESTION BANK

Prepared b !

A"M"R#b$%a! AP&CSE

P"Pre'a! AP&CSE P"Pa(r$)$a Pa#*$%e! AP&CSE

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*. 'hat are the /ariou! t7pe! of operation! re<uire$ for in!truction!) (2 Mar !"

+. 'rite note! on in!truction format!. (N5D 2668@ A5M 2669" (* Mar !"

0. 3,p ain the in!truction !e<uencin in $etai . (M5: @ N5D 2612" (16 Mar !"

8. Li!t an$ e,p ain the $ifferent t7pe! of in!truction!. (N5D 2612" (9 Mar !"

9. BA C C. 3,p ain ho% the a-o/e in!truction %i -e e,ecute$ in one a$$re!!@ t%oa$$re!! an$ three a$$re!! proce!!or! in an accumu ator or ani?ation.

(N5D 2616" (9 Mar !"

INST4UCTION S3T A4C#IT3CTU43

1. 3,p ain the in!truction !et architecture. (9 Mar !"

ADD43SSIN> MOD3S

1. 'hat i! the information con/e7e$ -7 a$$re!!in mo$e!) (N5D 2611" (2 Mar !"

2. Di!tin ui!h -et%een auto increment an$ auto $ecrement a$$re!!in mo$e.

(A5M 2616" (2 Mar !"

&. 'hat i! re ati/e a$$re!!in mo$e) 'hen i! it u!e$) (M5: 2612" (2 Mar !"

*. 'hat i! in$e, re i!ter) (2 Mar !"

+. Define – A$$re!!in Mo$e (2 Mar !"

0. Li!t the /ariou! a$$re!!in mo$e!. 3,p ain each of them %ith an e,amp e.

(N5D 2611@N5D 2612@ M5: 2612" (10 Mar !"

4ISC – CISC

1. Compare 4ISC %ith CISC architecture. (A5M 2616" (2 Mar !"

ALU D3SI>N – FI 3D OINT AND FLOATIN> OINT O 34ATIONS

1. A memor7 -7te ocation contain! the pattern 66161166. 'hat $oe! thi! patternrepre!ent %hen interprete$ a! a num-er) 'hat $oe! it repre!ent a! an ASCII co$e)

(N5D 2668" (2 Mar !"

2. Dra% a fu a$$er circuit u!in t%o ha f a$$er!. (N5D 2668" (2 Mar !"

&. 'hat are the /ariou! %a7! of repre!entin !i ne$ inte er! in the !7!tem.

(N5D 2668" (2 Mar !"

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*. 'hat i! an opco$e) #o% man7 -it! are nee$e$ to !pecif7 &2 $i!tinct operation!)

(A5M 2611" (2 Mar !"

+. 'rite the o ic e<uation! of a -inar7 ha f a$$er. (A5M 2611" (2 Mar !"

0. #o% i! the num-er 2+ repre!ente$ in CD an$ ASCII co$e)(N5D 2616" (2 Mar !"

8. Dra% the format of f oatin point num-er. (N5D 2612" (2 Mar !"

9. Define – %or$ en th (N5D 2611" (2 Mar !"

;. 'rite the I333 !tan$ar$ for f oatin point num-er! for !in e preci!ion num-er.

(2 Mar !"

16. Define –O/erf o% an$ Un$erf o% (2 Mar !"

11. 'hat i! uar$ -it!) (2 Mar !"

12. 'hat are the %a7! to truncate the uar$ -it!) (2 Mar !"

1&. 'hat i! -it@ -7te@ ni-- e! an$ %or$!) 'hat are -i – en$ian an$ itt e – en$iana!!i nment! of a$$re!!e!) (N5D 2668" (9 Mar !"

1*. De!i n a * -it carr7 oo Eahea$ a$$er an$ e,p ain it! operation %ith an e,amp e.

(N5D 2668@ A5M 2611" (10 Mar !"

1+. Deri/e an$ e,p ain the a orithm for a$$in an$ !u-tractin t%o f oatin point -inar7num-er!. (M5: 2612" (9 Mar !"

10. De!i n a * -it a$$er5!u-tracter circuit u!in fu a$$er! an$ e,p ain it! function!.

(M5: 2616" (9 Mar !"

18. De!i n a * -it fa!t a$$er an$ e,p ain it! function!. (M5: 2616" (9 Mar !"

19. State an$ e,p ain the ru e! in arithmetic operation! on f oatin point num-er!.

(N5D 2611" (10 Mar !"

UNIT II BASIC PROCESSING UNIT

FUNDAM3NTAL CONC3 TS E 3 3CUTION OF A COM L3T3 INST4UCTION

1. 'rite the re i!ter tran!fer !e<uence for !torin a %or$ in a memor7.

(M5: 2612" (2 Mar !"

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2. Li!t the a$/anta e! of re i!ter tran!fer. (N5D 2612" (2 Mar !"

&. 'hat are the !e<uence of operation! in/o /e$ in proce!!in an in!truction con!titute!an in!truction c7c e) (M5: 2660" (2 Mar !"

*. 'hat i! 'MFC) (2 Mar !"

+. 'hat i! meant -7 -ranch in!truction) (2 Mar !"

0. 'rite an$ e,p ain the !tep! in/o /e$ in the e,ecution of a comp ete in!truction.

(N5D 2612@ N5D 2611" (10 Mar !"

MULTI L3 US O4>ANI ATION

1. 'hat are the a$/anta e! of mu tip e -u! or ani?ation)

(N5D 2612@ N5D 2611" (2 Mar !"

2. 3,p ain the u!e of mu tip e -u! or ani?ation for e,ecutin three operan$ in!truction.

(M5: 2612" (9 Mar !"

&. Dra% the $ia ram for the !in e -u! or ani?ation of the $ata path in!i$e the proce!!or.

(N5D 2616" (9 Mar !"

#A4D'I43D CONT4OL E MIC4O 4O>4AMM3D CONT4OL

1. 'hat are the a$/anta e! an$ $i!a$/anta e! of #ar$ %ire$ an$ Micro pro ramme$contro ) (N5D 2668" (2 Mar !"

2. 'rite the $ifference -et%een #ori?onta an$ /ertica micro in!truction.

(A5M 2611@ M5: 2616" (2 Mar !"

&. Un$er %hat con$ition! the micropro ram counter i! not incremente$ after a ne%in!truction i! fetche$ from a memor7. (M5: 2616" (2 Mar !"

*. 'hat i! #ar$%ire$ contro ) #o% i! it $iffer from Micropro ramme$ contro .

(M5: 2612" (2 Mar !"

+. 'hat are the input! for #ar$%ire$ contro . (N5D 2611" (2 Mar !"

0. Define – #ar$%ire$ Contro (2 Mar !"

8. 3,p ain the contro unit or ani?ation %ith a !eparate enco$er an$ $eco$er function! ina har$%ire$ contro . (A5M 2611" (9 Mar !"

9. >enerate the o ic circuit for the fo o%in function! an$ e,p ain

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inBT1 T0.ADD T *. 4..

3NDBT 8.ADD T +. 4 (T +.N T *.N". 4N... (A5M 2611" (9 Mar !"

;. 3,p ain the $e!i n of #ar$%ire$ contro unit. (M5: 2616" (16 Mar !"

16. 3,p ain the -a!ic or ani?ation of a micropro ramme$ contro unit an$ the enerationof contro !i na ! u!in micro pro ram. (M5: 2616@ M5: 2612" (12 Mar !"

11. 'hat are the a$/anta e! an$ $i!/anta e! of #ar$ %ire$ an$ Micropro ramme$contro unit) (M5: 2616" (* Mar !"

12. 3,p ain the contro !i na eneration u!in har$%ire$ an$ Micropro ramme$ contro%ith nece!!ar7 - oc $ia ram. (N5D 2612" (10 Mar !"

NANO 4O>4AMMIN>

1. 3,p ain in $etai nano pro rammin . (10 Mar !"