technical questions general

8/12/2019 Technical Questions General

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Technical Questions (General Questions)

1. A 2MB PCM(pulse code modulation) has

a) 32 channels

b) 30 voice channels & 1 signalling channel.c) 31 voice channels & 1 signalling channel.d) 32 channels out o !hich 30 voice channels" 1 signalling channel" & 1 #$nch%oniatiochannel.

Ans' (c)

2. ime taen o% 1 satellite hop in voice communication is

a) 1*2 secondb) 1 secondsc) + secondsd) 2 seconds

Ans' (a)

3. Ma, numbe% o satellite hops allo!ed in voice communication is '

a) onl$ oneb) mo%e han onec) t!o hopsd) ou% hops

Ans' (c)

+. -hat is the ma,. decimal numbe% that can be accomodated in a b$te.

a) 12b) 2/c) 2//d) /12

Ans' (c)

/. Conditional %esults ate% e,ecution o an inst%uction in a mic%o p%ocesso% is sto%ed in

a) %egiste%b) accumulato%

c) ag %egiste%d) ag %egiste% pa%t o P#-(P%og%am #tatus -o%d)

Ans' (d)

. %euenc$ at !hich 456C7 is sampled is

a) + 8hb) 8h


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c) 1 8hd) + 8h

Ans' (a)

9. :ine o #ight is

a) #t%aight :ineb) Pa%abolicc) , & ;, should be visible to each othe%d) none

Ans' (c)

. Pu%pose o PC(P%og%am Counte%) in a Mic%oP%ocesso% is

a) o sto%e add%ess o 5#(op 5 #tac)b) o sto%e add%ess o ne,t inst%uction to be e,ecuted.c) count the numbe% o inst%uctions.

d) to sto%e base add%ess o the stac.

Ans' (b)

a) P%ocesso% se%ves the inte%%upt %euest ate% completing the e,ecution o the cu%%entinst%uction.b) P%ocesso% se%ves the inte%upt %euest ate% completing the cu%%ent tas.c) P%ocesso% se%ves the inte%upt %euest immediatel$.d) P%ocesso% se%ving the inte%%upt %euest depends upon the p%io%it$ o the cu%%ent tasunde% e,ecution.

Ans' (a)

10. he status o the 8e%nel is

a) tasb) p%ocessc) not de?ned.d) none o the above.

Ans' (b)

11. o send a data pacet using datag%am " connection !ill be established

a) beo%e data t%ansmission.b) connection is not established beo%e data t%ansmission.c) no connection is %eui%ed.d) none o the above.


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Ans' (c)

12. -o%d allignment is

a) alligning the add%ess to the ne,t !o%d bounda%$ o the machine.

b) alligning to even bounda%$.c) alligning to !o%d bounda%$.d) none o the above.

Ans' (a)

13 -hen a @C@ unction call is made" the o%de% in !hich pa%amete%s passed to the unctiona%e pushed into the stac is

a) let to %ightb) %ight to letc) bigge% va%iables a%e moved ?%st than the smalle% va%iales.d) smalle% va%iables a%e moved ?%st than the bigge% ones.

e) none o the above.

Ans' (b)

1+ -hat is the t$pe o signalling used bet!een t!o e,changes>

a) inbandb) common channel signallingc) an$ o the aboved) none o the above.

Ans' (a)

1/ Bue%ing is

a) the p%ocess o tempo%a%il$ sto%ing the data to allo! o% small va%iation in device speedsb) a method to %educe c%oss talsc) sto%age o data !ithin t%ansmitting medium until the %eceive% is %ead$ to %eceive.d) a method to %educe %outing ove%head.

Ans' (a)

1. Memo%$ allocation o va%iables decla%ed in a p%og%am is

a) allocated in ;AM.b) allocated in ;5M.c) allocated on stac.d) assigned to %egiste%s.

Ans' (c)

19. A sot!a%e that allo!s a pe%sonal compute% to p%etend as a compute% te%minal is


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a) te%minal adapte%b) bulletin boa%dc) modemd) te%minal emulation

Ans' (d)

1. ind the output o the ollo!ing p%og%am

int p"pD(int )1000D(int )2000p%int(EFdE"(=p))

Ans' /00

1

Ans' #P is dec%emented and then the value is sto%ed.

23. Bina%$ euivalent o /2


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Ans. 110100

2+. Je,adecimal euivalent o 3+/2

Ans. 92A

2/. 7,plain Kust 6n ime Concept >

Ans. 7limination o !aste b$ pu%chasing manuactu%ing e,actl$ !hen needed

2. A good !a$ o unit testing s*! p%og%am is

Ans. Ise% test

29. 55 uses

Ans. 7ncapsulated o detect methods

2.7G6 useul in

Ans. 7lect%onic %ansmission

2


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Ans. P%ima%$ e$ and Att%ibute

3/. -indo!s


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++.6n the t%anspo%t la$e% "CP is !hat t$pe o p%otocol

Ans. Connection o%iented

+/.-h$ is a gate!a$ used

Ans. o connect incompatible net!o%s

+.Jo! is lined list implemented

Ans. B$ %ee%ential st%uctu%es

+9.-hat method is used in -in


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Ans.6no%de%

//.-hat a%e device d%ive%s used o%

Ans.o p%ovide sot!a%e o% enabling the ha%d!a%e

/.-hat is o% command in uni,

Ans. #$stem call used to c%eate p%ocess

/9.-hat is mae command in uni,

Ans. Ised o%c%eation o mo%e than one ?le

/.6n uni, .p%o?le contains

Ans. #ta%t up p%og%am

/


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Ans. (b)

3. #emapho%e is used o%

(a) s$nch%oniation(b) dead=loc avoidence

(c) bo,(d) none

Ans. (a)

+. -hich holds t%ue o% the ollo!ing statement

class c' public A" public B

a) 2 membe% in class A" B should not have same nameb) 2 membe% in class A" C should not have same namec) both

d) none

Ans. (a)

/.P%ep%oconia.. does not do !hich one o the ollo!ing

(a) mac%o(b) conditional compliclation(c) in t$pe checing(d) including load ?le

Ans. (c)

. Pigg$ bacing is a techniue o%

a) lo! cont%olb) #euencec) Acno!ledgementd) %et%ansmition

Ans. (c)

9. -hich is not a memo%$ management scheme>

a) budd$ s$stemb) s!appingc) monito%sd) paging

Ans ' c


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. he%e !as a ci%cuit given using th%ee nand gates !ith t!o inputs and one output. ind the output.

a) 5;b) ALGc) 5;

d) L5

Ans. (a)


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(a) 0(b) 1(c) 2(d) 2//(e) it does not have a p%ocess table ent%$

Ans. (a)

9. -hich o the ollo!ing AP6 is used to hide a !indo!

a) #ho!-indo!b) 7nable-indo!c) Move-indo!d) #et-indo!Placemente) Lone o the above

Ans. (a)

99. -hich unction is the ent%$ point o% a G:: in M# -indo!s 3.1

a) Mainb) -inmainc) Gllmaind) :ibmaine) Lone

Ans. (b)

9. he standa%d sou%ce o% standa%d input" standa%d output and standa%d e%%o% is

a) the te%minalb) *dev*nullc) *us%*$ou*input" *us%*$ou*output*" *us%*$ou*e%%o% %espectivel$d) Lone

Ans. (a)

9


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second" thi%d" and *us%*$ou*m$?le and p%ints themc) sea%ches the ?les *us%*$ou*m$?el and thi%d o% lines containing the !o%ds ?%st o% secondand p%ints themd) %eplaces the !o%d ?%st !ith the !o%d second in the ?les thi%d and *us%*$ou*m$?lee) Lone o the above

Ans. (b)

1. Qou a%e c%eating a 6nde, on 7MPL5 column in the 7MP:5Q77 table. -hich statement !ill$ou use>a) C;7A7 6Ld7 empHempnoHid, 5L emplo$ee" empnob) C;7A7 6Ld7 empHempnoHid, 5; emplo$ee" empnoc) C;7A7 6Ld7 empHempnoHid, 5L emplo$ee(empno)d) C;7A7 empHempnoHid, 6Ld7 5L emplo$ee(empno)

Ans. c

2. -hich p%og%am const%uct must %etu%n a value>

a) Pacageb) unctionc) Anon$mous blocd) #to%ed P%ocedu%ee) Application P%ocedu%e

Ans. b

3. -hich #tatement !ould $ou use to %emove the 7MP:5Q77H6dHP8 P;6MA;Q 87Q const%aintand all depending const%aints %omthe 7MP:5Q77 table>a) A:7; AB:7 emplo$ee d;5P P;6MA;Q 87Q CA#CAd7b) A:7; AB:7 emplo$ee d7:77 P;6MA;Q 87Q CA#CAd7

c) M5d6Q AB:7 emplo$ee d;5P C5L#;A6L emplo$eeHidHp CA#CAd7d) A:7; AB:7 emplo$ee d;5P P;6MA;Q 87Q emplo$eeHidHp CA#CAd7e) M5d6Q AB:7 emplo$ee d7:77 P;6MA;Q 87Q emplo$eeHidHp CA#CAd7

Ans. a

+. -hich th%ee commands cause a t%ansaction to end> (Chosse th%ee)a) A:7;b) N;ALc) G7:77d) 6L#7;e) IPdA7

) ;5::BAC8

Ans. a "b "

/. Inde% !hich ci%cumstance should $ou c%eate an inde, on a table>a) he table is small.b) he table is updated %euentl$.c) A columns values a%e static and contain a na%%o! %ange o valuesd) !o columns a%e consistentl$ used in the -J7;7 clause Roin condition o #7:7C


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statements.

Ans.d

. -hat !as the ?%st name given to Kava P%og%amming :anguage.

a) 5a = Kavab) #mall alc) 5ad) Lone

Ans.a

9.-hen a bic$cle is in motion"the o%ce o %iction e,e%ted b$ the g%ound on the t!o !heels is such that it acts

(a) 6n the bac!a%d di%ection on the %ont !heel and in the o%!a%d di%ection on the %ea% !heel.(b) 6n the o%!a%d di%ection on the %ont !heel and in the bac!a%d di%ection on the %ea% !heel.(c) 6n the bac!a%d di%ection on both the %ont and %ea% !heels.(d) 6n the bac!a%d di%ection on both the %ont and %ea% !heels.

Ans. (d)

. A ce%tain %adioactive element A" has a hal lie D t seconds. 6n (t*2) seconds the %action o the initial uantit$ o the element so a% deca$ed is nea%l$

(a) 2


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(c) he %euenc$ o incident %adiation(d) he angle o incidence o %adiation o the su%ace

Ans. (c)


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1. A 2MB PCM(pulse code modulation) has

a) 32 channelsb) 30 voice channels & 1 signalling channel.c) 31 voice channels & 1 signalling channel.d) 32 channels out o !hich 30 voice channels" 1 signalling channel" & 1 #$nch%oniatiochannel.

Ans' (c)

2. ime taen o% 1 satellite hop in voice communication is

a) 1*2 secondb) 1 secondsc) + secondsd) 2 seconds

Ans' (a)

3. Ma, numbe% o satellite hops allo!ed in voice communication is '

a) onl$ oneb) mo%e han onec) t!o hopsd) ou% hops

Ans' (c)

+. -hat is the ma,. decimal numbe% that can be accomodated in a b$te.

a) 12b) 2/c) 2//d) /12

Ans' (c)


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/. Conditional %esults ate% e,ecution o an inst%uction in a mic%o p%ocesso% is sto%ed in

a) %egiste%b) accumulato%c) ag %egiste%d) ag %egiste% pa%t o P#-(P%og%am #tatus -o%d)

Ans' (d)

. %euenc$ at !hich 456C7 is sampled is

a) + 8hb) 8hc) 1 8hd) + 8h

Ans' (a)

9. :ine o #ight is

a) #t%aight :ineb) Pa%abolicc) , & ;, should be visible to each othe%d) none

Ans' (c)

. Pu%pose o PC(P%og%am Counte%) in a Mic%oP%ocesso% is

a) o sto%e add%ess o 5#(op 5 #tac)b) o sto%e add%ess o ne,t inst%uction to be e,ecuted.c) count the numbe% o inst%uctions.d) to sto%e base add%ess o the stac.

Ans' (b)

a) P%ocesso% se%ves the inte%%upt %euest ate% completing the e,ecution o the cu%%ent

inst%uction.b) P%ocesso% se%ves the inte%upt %euest ate% completing the cu%%ent tas.c) P%ocesso% se%ves the inte%upt %euest immediatel$.d) P%ocesso% se%ving the inte%%upt %euest depends upon the p%io%it$ o the cu%%ent tasunde% e,ecution.

Ans' (a)


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10. he status o the 8e%nel is

a) tasb) p%ocessc) not de?ned.d) none o the above.

Ans' (b)

11. o send a data pacet using datag%am " connection !ill be established

a) beo%e data t%ansmission.b) connection is not established beo%e data t%ansmission.c) no connection is %eui%ed.d) none o the above.

Ans' (c)

12. -o%d allignment is

a) alligning the add%ess to the ne,t !o%d bounda%$ o the machine.b) alligning to even bounda%$.c) alligning to !o%d bounda%$.d) none o the above.

Ans' (a)

13 -hen a @C@ unction call is made" the o%de% in !hich pa%amete%s passed to the unctiona%e pushed into the stac is

a) let to %ightb) %ight to letc) bigge% va%iables a%e moved ?%st than the smalle% va%iales.d) smalle% va%iables a%e moved ?%st than the bigge% ones.e) none o the above.

Ans' (b)

1+ -hat is the t$pe o signalling used bet!een t!o e,changes>

a) inband

b) common channel signallingc) an$ o the aboved) none o the above.

Ans' (a)

1/ Bue%ing is

a) the p%ocess o tempo%a%il$ sto%ing the data to allo! o% small va%iation in device speeds


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31. he pe%centage o times a page numbe% bound in associate %egiste% is called

Ans. Bit %atio

32. 7,pand M5G7M

Ans. Modulato% and Gemodulato%

33. ;GBM# ?le s$stem can be de?ned as

Ans. 6nte%%elated

3+. #upe% 8e$ is

Ans. P%ima%$ e$ and Att%ibute

3/. -indo!s


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Ans. h%ough paging and segmentation

+1.-hat is meant b$ pol$mo%phism

Ans. ;ed?nition o a base class method in a de%ived class

+2.-hat is the essential eatu%e o inhe%itance

Ans. All p%ope%ties o e,isting class a%e de%ived

+3.-hat does the p%otocol P do

Ans. %anse% a ?le b*! stations !ith use% authenti?cation

++.6n the t%anspo%t la$e% "CP is !hat t$pe o p%otocol

Ans. Connection o%iented

+/.-h$ is a gate!a$ used

Ans. o connect incompatible net!o%s

+.Jo! is lined list implemented

Ans. B$ %ee%ential st%uctu%es

+9.-hat method is used in -in


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/1.-hat is the eOcienc$ o me%ge so%t

Ans. 5(n log n)

/2.6n !hich la$e% a%e %oute%s used

Ans.6n net!o% la$e%

/3.-hich o the ollo!ing so%ting algo%ithem has ave%age so%ting behavio% == Bubble so%t"me%ge so%t"heap so%t"e,change so%t

Ans. Jeap so%t

/+.6n bina%$ sea%ch t%ee !hich t%ave%sal is used o% getting ascending o%de% values==6no%de% "post o%de%"p%eo%de%

Ans.6no%de%

//.-hat a%e device d%ive%s used o%

Ans.o p%ovide sot!a%e o% enabling the ha%d!a%e

/.-hat is o% command in uni,

Ans. #$stem call used to c%eate p%ocess

/9.-hat is mae command in uni,

Ans. Ised o%c%eation o mo%e than one ?le

/.6n uni, .p%o?le contains

Ans. #ta%t up p%og%am

/


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Ans' (a)

1. 6n 5#" te%minal emulation is done in

(a) sessions la$e%

(b) application la$e%(c) p%esentation la$e%(d) t%anspo%t la$e%

Ans' (b)

2. o% 1 MB memo%$" the numbe% o add%ess lines %eui%ed"

(a)11(b)1(c)22(d) 2+

Ans. (b)

3. #emapho%e is used o%

(a) s$nch%oniation(b) dead=loc avoidence(c) bo,(d) none

Ans. (a)

+. -hich holds t%ue o% the ollo!ing statement

class c' public A" public B

a) 2 membe% in class A" B should not have same nameb) 2 membe% in class A" C should not have same namec) bothd) none

Ans. (a)

/.P%ep%oconia.. does not do !hich one o the ollo!ing

(a) mac%o(b) conditional compliclation(c) in t$pe checing(d) including load ?le

Ans. (c)

. Pigg$ bacing is a techniue o%


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a) lo! cont%olb) #euencec) Acno!ledgementd) %et%ansmition

Ans. (c)

9. -hich is not a memo%$ management scheme>

a) budd$ s$stemb) s!appingc) monito%sd) paging

Ans ' c

. he%e !as a ci%cuit given using th%ee nand gates !ith t!o inputs and one output. ind the output.

a) 5;b) ALGc) 5;d) L5

Ans. (a)


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Ans. (b)

93. 6n IL6 a ?les i=node ......>

Ans. 6s a data st%uctu%e that de?nes all speci?cations o a ?le lie the ?le sie"numbe% o lines to a ?le" pe%missions etc.

9+. he ve%$ ?%st p%ocess c%eated b$ the e%nal that %uns till the e%nal p%ocess is halts is

a) initb) gett$c) both (a) and (b)d) none o these

Ans. (a)

9/. 6n the p%ocess table ent%$ o% the e%nel p%ocess" the p%ocess id value is

(a) 0(b) 1(c) 2(d) 2//(e) it does not have a p%ocess table ent%$

Ans. (a)

9. -hich o the ollo!ing AP6 is used to hide a !indo!

a) #ho!-indo!b) 7nable-indo!

c) Move-indo!d) #et-indo!Placemente) Lone o the above

Ans. (a)

99. -hich unction is the ent%$ point o% a G:: in M# -indo!s 3.1

a) Mainb) -inmainc) Gllmaind) :ibmain

e) Lone

Ans. (b)

9. he standa%d sou%ce o% standa%d input" standa%d output and standa%d e%%o% is

a) the te%minalb) *dev*null


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c) *us%*$ou*input" *us%*$ou*output*" *us%*$ou*e%%o% %espectivel$d) Lone

Ans. (a)

9


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e) M5d6Q AB:7 emplo$ee d7:77 P;6MA;Q 87Q emplo$eeHidHp CA#CAd7

Ans. a

+. -hich th%ee commands cause a t%ansaction to end> (Chosse th%ee)

a) A:7;b) N;ALc) G7:77d) 6L#7;e) IPdA7) ;5::BAC8

Ans. a "b "

/. Inde% !hich ci%cumstance should $ou c%eate an inde, on a table>a) he table is small.b) he table is updated %euentl$.c) A columns values a%e static and contain a na%%o! %ange o values

d) !o columns a%e consistentl$ used in the -J7;7 clause Roin condition o #7:7Cstatements.

Ans.d

. -hat !as the ?%st name given to Kava P%og%amming :anguage.

a) 5a = Kavab) #mall alc) 5ad) Lone

Ans.a

9.-hen a bic$cle is in motion"the o%ce o %iction e,e%ted b$ the g%ound on the t!o !heels is such that it acts

(a) 6n the bac!a%d di%ection on the %ont !heel and in the o%!a%d di%ection on the %ea% !heel.(b) 6n the o%!a%d di%ection on the %ont !heel and in the bac!a%d di%ection on the %ea% !heel.(c) 6n the bac!a%d di%ection on both the %ont and %ea% !heels.(d) 6n the bac!a%d di%ection on both the %ont and %ea% !heels.

Ans. (d)

. A ce%tain %adioactive element A" has a hal lie D t seconds. 6n (t*2) seconds the %action o the initial uantit$ o the element so a% deca$ed is nea%l$

(a) 2


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