c++, ngôn ngữ lập trình cho ngành cntt

Cát cũng như nước, cát dùng để chữa cháy rất phổ biến vì sử dụng đơn giản, dễ kiếm và có hiệu quả đối với nhiều đám cháy. Tác dụng chữa cháy của cát là làm ngạt và có khả năng ngừng trệ phản ứng cháy. Đối với chất lỏng cháy, cát còn có tác dụng ngăn cháy lan, dùng cát đắp thành bờ. Để dùng cát chữa cháy cần chứa cát thành bể, hố trước các kho. Bố trí sẳn xẻ

6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 1/16 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffree download 1.WhichofthefollowinglanguagesisasubsetofC++language? A.Clanguage B.JavaLanguage C.C#language D.Blanguage Answer:A 2.WhichofthefollowingcorrectlydescribesC++language? A.Staticallytypedlanguage B.Dynamicallytypedlanguage C.BothStaticallyanddynamicallytypedlanguage D.Typelesslanguage Answer:A 3.Whichofthefollowingkeywordsupportsdynamicmethodresolution? A.abstract B.Virtual C.Dynamic D.Typeid Answer:B 4.WhichofthefollowinglanguageisnotsupportedbyC++? A.ExceptionHandling B.Reflection C.OperatorOverloading D.Namespaces Answer:B 5.WhichofthefollowinglanguagefeatureisnotanaccessspecifierinC++? A.public B.private Cprotected D.internal Answer:D 6.WhatdoesSTLstandfor? A.SimpleTemplateLibrary B.StandardTemplateLibrary C.StaticTypeLibrary D.SingleTypebasedLibrary  Search Home C++InterviewQuestions C++MultipleChoiceQuestionsand Answers CPPStudyMaterialpdf Followers Jointhissite withGoogleFriendConnect Members(4) Alreadyamember?Signin Categories C++ObjectivetypeQuestionsand Answers(1) C++QuestionsandAnswersfor Freshers(1) AtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C++ StudyMaterial 03:10 AtoZC++InterviewQuestions,AtoZCPPObjectiveTypeQuestions,AtoZ C++StudyMaterial Nocomments Home C++InterviewQuestions C++MultipleChoiceQuestions C++Tutorial 6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 2/16 Answer:B 7.WhichofthefollowingisthemostcommonwayofimplementingC++? A.C++programsaredirectlycompiledintonativecodebyacompiler B.C++programsarefirstcompiledtointermediatecodebyacompilerandthenexecutedbya virtualmachine C.C++programsareinterpretedbyaninterpreter D.AC++editordirectlycompilesandexecutestheprogram Answer:A 8.Whatistheimplicitpointerthatispassedasthefirstargumentfornonstaticmember functions? A.‘self’pointer B.std::auto_ptrpointer C.‘Myself’pointer D.‘this’pointer Answer:D 9.IfXisthenameoftheclass,whatisthecorrectwaytodeclarecopyconstructorofX? A.X(Xarg) B.X(X*arg) C.X(constX*arg) D.X(constX&arg) Answer:D 10.Whichofthefollowingoperatorcannotbeoverloaded? A.=(assignmentoperator) B.==(equalityoperator) C.–>(rowoperator) D.::(coperesolutionoperator) Answer:D 11.Whichofthefollowingoperatorscanbeoverloaded? A..(dotormemberaccessoperator) B.&(addressofoperator) C.sizeofoperator D.?:(conditionaloperator) Answer:B 12.Howdowedeclareanabstractclass? A.Byprovidingatleastonepurevirtualmethod(functionsignaturefollowedby==0;)inaclass B.Bydeclaringatleastonemethodabstractusingthekeyword‘abstract’inaclass C.Bydeclaringtheclassabstractwiththekeyword‘abstract’ D.ItisnotpossibletocreateabstractclassesinC++ Answer:A 13.Howdowedeclarean‘interface’class? A.Bymakingallthemethodspurevirtualinaclass B.Bymakingallthemethodsabstractusingthekeyword‘abstract’inaclass C.Bydeclaringtheclassasinterfacewiththekeyword‘interface’ D.ItisnotpossibletocreateinterfaceclassinC++ 6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 3/16 Answer:A 14.Howmanycopiesofaclassstaticmemberaresharedbetweenobjectsoftheclass? A.Acopyofthestaticmemberissharedbyallobjectsofaclass B.Acopyiscreatedonlywhenatleastoneobjectiscreatedfromthatclass C.Acopyofthestaticmemberiscreatedforeachinstntiationoftheclass D.Nomemoryisallocatedforstaticmembersofaclass Answer:A 15.Whichofthefollowingistrueaboutconstmemberfunctions? A.constmemberscanbeinvokedonbothconstaswellasnonconstobjects B.constmemberscanbeinvokedonlyonconstobjectsandnotonnonconstobjects C.nonconstmemberscanbeinvokedonconstobjectsaswellasnonconstobjects D.noneoftheabove Answer:A 16.Whenisstd::bad_allocexceptionthrown? A.Whennewoperatorcannotallocatememory B.Whenallocfunctionfails C.Whentyperequestedfornewoperationisconsideredbad,thisexceptionisthrown D.Whendeleteoperatorcannotdeletetehallocated(corrupted)object Answer:A 17.Whichheaderfileshouldweincludeforusingstd::auto_ptr? a.<memory> B.<alloc> C.<autoptr> D.<smartptr> Answer:C 18.STLisbasedonwhichofthefollowingprogrammingparadigms? A.StructuredProgramming B.ObjectOrientedProgramming(OOP) C.FunctionalProgramming D.AspectOrientedProgramming(AOP) Answer:C 19.Whichofthefollowingcorrectlydescribesthemeaningof‘namespace’featureinC++? A.Namespacesrefertothememoryspaceallocatedfornamesusedinaprogram B.Namespacesrefertospacebetweentehnamesinaprogram C.Namespacesrefertospacebetweenthenamesinaprogram D.namespacesprovidefacilitiesfororganizingthenamesinaprogramtoavoidnameclashes Answer:D 20.Whichofthefollowingisthemostgeneralexceptionhandlerthatcatchesexceptionofany type? A.catch(std::exception) B.catch(std::any_exception) C.catch(…) D.catch() Answer:C 6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 4/16 21.STLisbasedonwhichofthefollowingprogrammingparadigms? a.StructuredProgramming b.ObjectOrientedProgramming(OOP) c.FunctionalProgramming d.AspectOrientedProgramming(AOP) ans:c 22.Whichofthefollowingcorrectlydescribesthemeaningof‘namespace’featureinC++? a.Namespacesrefertothememoryspaceallocatedfornamesusedinaprogram b.Namespacesrefertospacebetweenthenamesinaprogram c.Namespacesrefertopackingstructureofclassesinaprogram. d.Namespacesprovidefacilitiesfororganizingthenamesinaprogramtoavoidnameclashes. ans:d 23.Whichofthefollowingisthemostgeneralexceptionhandlerthatcatchesexceptionof‘any type’? a.catch(std::exception) b.catch(std::any_exception) c.catch(…) d.catch() ans:c 24.Whichofthefollowingrelationshipisknownasinheritancerelationship? a.‘hasa’relationship b.‘isa’relationship c.associationrelationship d.noneoftheabove ans:b 25.Whichofthefollowingoperatorscanbeimplementedasanonmemberoperator? a.=(assignmentoperator) b.()(functioncalloperator) c.[.(arrayaccessoperator) d.+(additionoperator) ans:d 26.WhichoftheSTLcontainersstoretheelementscontiguously(inadjecentmemory locations)? a.std::vector b.std::list c.std::map d.std::set ans:a 27.Whichofthefollowingisnotrecommendedinaheaderfile? a.Typedefinitions(typedefs) b.Classdefinitions c.Functiondefinitions d.Templatedefinitions 6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 5/16 ans:c 28.IftheclassnameisX,whatisthetypeofits“this”pointer(inanonstatic,nonconst memberfunction)? a.constX*const b.X*const c.X* d.X& ans:b 29.Whichofthefollowingisthemostpreferredwayofthrowingandhandlingexceptions? a.Throwbyvalueandcatchbyreference. b.Throwbyreferenceandcatchbyreference. c.Throwbyvalueandcatchbyvalue d.Throwthepointervalueandprovidecatchfortehpointertype. Ans:a 30.IfclassAisfriendofclassBandifclassBisfriendofclassC,whichofthefollowingis true? a.ClassCisfriendofclassA b.ClassAisfriendofclassC c.ClassAandClassCdonothaveanyfriendrelationship d.Noneoftheabove Ans:c 31.Theconditionalcompilation a.Itistakencareofbythecompiler b.Itissettingthecompileroptionconditionally c.Itiscompilingaprogrambasedonacondition d.noneofabove ans:c 32.Originally‘C’wasdevelopedas: a.Systemprogramminglanguage b.Generalpurposelanguage c.Dataprocessinglanguage d.Noneofabove Ans:b 33.Minimumnumberoftemporaryvariagbleneededtoswapthecontentsof2variableis: a.1 b.2 c.3 d.0 Ans:d 34.Adirectaccessfileis: a.Afileinwhichrecoredsarearrangedinawaytheyareinsertedinafile b.Afileinwhichrecordsarearrangedinaparticularorder c.Fileswhicharestoredonadirectaccessstoragemedium d.Noneoftheabove 6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 6/16 Ans:c 35.Whichofthefollowingisnotanadvantageofsecondarymemory a.Itiscosteffective b.Ithaslargestoragecapacity c.Ithashighestspeed d.Itiseasilyportable Ans:c 36.Aninvertedfile a.Locatesinformationaboutdatainsmallfilesthataremaintainedapartfromactualdata record b.Afilewhichstoresoppositerecords c.Afilewhichstoresinformationaboutrecordsofasystem d.Noneofabove Ans:a 37.Whichofthefollowingisnotafileoperation: a.Repositioning b.Truncating c.Appending d.Noneofabove Ans:d 38.Whichofthefollowingisnotacomponentoffilesystem a.Accessmethod b.Auxiliarystoragemanagement c.Freeintegritymechanism d.Noneoftheabove Ans:d 39.Seektimeis a.timetakentoretrieveadta b.Timetakenbyread/writeheadmechanismtopositionitselfoverappropriatecylinder c.Timetakenbyappropriatesectortocomeunderread/write d.Noneoftheabove Ans:b 40.Latencytimeis: a.Timetakenbyread/writeheadmechanismtopositionitselfoverappropriatecylinder b.Timetakentotransferadtafrommemory c.Timetakenbyappropriatesectortocomeunderread/writehead d.Noneofabove Ans:c 41.‘Primearea’incontextoffilesystemisdefinedas a.Itismemoryareacreatedbyoperatingsystem b.Itisanareaintowhichdatarecordsarewritten c.Itisthemainareaofawebpage d.Noneoftheabove Ans:b 6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 7/16 42.ThetwotypesoffilestructureexistinginVSAMfileare a.Keysequencedstructure,entrysequencedstructure b.Keysequencestructure,exitsequencedstructure c.Entrysequencestructure,exitsequencedstructure d.Noneofabove Ans:c 43.Inmulitlistorganization a.Recordsthathaveequivalentvalueforagivensecondaryindexitemarelinkedtogetherto formalist. b.Recordsareloadedinorderedsequencedefinedbycollatingsequencebycontentofthe key c.Recordsaredirectlyaccessedbyrecordkeyfield d.Noneoftheabove Ans:a 44.Whichofthefollowingis/areadvantagesofcellularpartitionedstructure: a.Simultaneousreadoperationscanbeoverlapped b.Searchtimeisreduced c.Botha&b d.Noneoftheabove Ans:c 45.*ptr++isequivalenetto: a.ptr++ b.*ptr c.++*ptr d.Noneoftheabove Ans:d 46.Statementscanf(“%d”,80); a.Assignanintegertovariablei b.Giveanerrormessage c.Printthevalueofi d.Assignanfloattovariablei Ans:a 47.Valueofix+j,ifi,jareintegertypeandixlongtypewouldbe a.integer b.float c.longinteger d.doublepercision ans:c 48.InaClanguage‘3’represents a.Adigit b.Aninteger c.Acharacter d.Aword Ans:c 6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 8/16 49.InClanguage,ahexadecimalnumberisrepresentedbywriting a.x b.xo c.ox d.h ans:d 50.ExpressionC=i++causes a.ValueofiassignedtoCandtheniincrementedby1 b.itobeincrementedby1andthenvalueofiassignedtoC c.ValueofiassignedtoC d.itobeincrementedby1 ans:a 51.Eachpassthroughaloopiscalleda/an a.enumeration b.iteration c.culmination d.passthrough Ans:b 52.Whichloopingprocesschecksthetestconditionattheendoftheloop? a.for b.while c.dowhile d.noloopingprocesschecksthetestconditionattheend Ans:c 53.Acontinuestatementcausesexecutiontoskipto a.thereturn0;statement b.thefirststatementaftertheloop c.thestatementfollowingthecontinuestatement d.thenextiterationoftheloop Ans:d 54.Inagroupofnestedloops,whichloopisexecutedthemostnumberoftimes? a.theoutermostloop b.theinnermostloop c.allloopsareexecutedthesamenumberoftimes d.cannotbedeterminedwithoutknowingthesizeoftheloops Ans:b 55.Thestatementi++;isequivalentto a.i=i+i; b.i=i+1; c.i=i1; d.i;Ans:b 6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 9/16 56.Whichloopingprocessisbestusedwhenthenumberofiterationsisknown? a.for b.while c.dowhile d.allloopingprocessesrequirethattheiterationsbeknown Ans:a 57.What'swrong?for(intk=2,k<=12,k++) a.theincrementshouldalwaysbe++k b.thevariablemustalwaysbetheletteriwhenusingaforloop c.thereshouldbeasemicolonattheendofthestatement d.thecommasshouldbesemicolons Ans:d 58.What'swrong?while((i<10)&&(i>24)) a.thelogicaloperator&&cannotbeusedinatestcondition b.thewhileloopisanexitconditionloop c.thetestconditionisalwaysfalse d.thetestconditionisalwaystrue Ans:c 59.Ifthereismorethanonestatementintheblockofaforloop,whichofthefollowingmustbe placedatthebeginningandtheendingoftheloopblock? a.parentheses() b.braces{} c.brackets[]. d.arrows<>Ans:b 60.What'swrong?(x=4&&y=5)?(a=5);(b=6); a.thequestionmarkshouldbeanequalsign b.thefirstsemicolonshouldbeacolon c.therearetoomanyvariablesinthestatement d.theconditionaloperatorisonlyusedwithapstrings Ans:b 61.Inlinefunctionsareinvokedatthetimeof A.Runtime B.Compiletime C.Dependsonhowitisinvoked D.Bothbandcabove Ans:B 62.Whichofthefollowingoperatorsbelowallowtodefinethememberfunctionsofaclass outsidetheclass? A.:: B.? C.:? D.%Ans:A 63.Everyclasshasatleastoneconstructorfunction,evenwhennoneisdeclared. 6/9/2015 100TopC++MultipleChoiceQuestionsandAnswersforfresherspdffreedownloadAtoZC++InterviewQuestions,CPPObjectiveTypeQuestions,C+… http://atozcpp.blogspot.com/2013/10/100topcmultiplechoicequestionsand.html#commentform 10/16 A.True B.False Ans:A 64.Howdowedefineaconstructor? A.X~(){} B.X(){}~ C.X()~{} D.~X(){} Ans:D 65.Canconstructorsbeoverloaded? A.No B.Yes Ans:B 66.Whichofthefollowingbelowcanperformconversionsbetweenpointerstorelatedclasses? A.cast_static B.dynamic_cast C.static_cast D.cast_dynamic Ans:C 67.Anabstractclasscanbeinstantiated. A.True B.False Ans:B 68.Thedefaultaccesslevelassignedtomembersofaclassis___________ A.Private B.Public C.Protected D.Needstobeassigned Ans:A 69.Whichclassesallowprimitivetypestobeaccessedasobjects? A.Storage B.Virtual C.Friend D.Wrapper Ans:D 70.Whichofthefollowingbelowis/areavaliditeratortype? A.InputIterator B.BackwardIterator C.ForwardIterator D.Bothaandcabove Ans:D 71.Whatisthedifferencebetweenoverloadedfunctionsandoverriddenfunctions? A.OverloadingisadynamicorruntimebindingandOverridingisstaticorcompiletime [...]... 78. What is the Difference between struct and class in terms of Access Modifier? A.     By default all the struct members are private while by default class members are public http://atozcpp.blogspot.com/2013/10/100­top­c­multiple­choice­questions­and.html#comment­form 11/16 6/9/2015 100 Top C++ Multiple Choice Questions and Answers for freshers pdf free download ­ AtoZ C++ Interview Questions,CPP Objective Type Questions,C+… B.     By default all the struct members are protected while by default class members are... B.     string C.     int D.     wchar_t Ans: B 85. The return value of the following code is Class1& test(Class1 obj) http://atozcpp.blogspot.com/2013/10/100­top­c­multiple­choice­questions­and.html#comment­form 12/16 6/9/2015 100 Top C++ Multiple Choice Questions and Answers for freshers pdf free download ­ AtoZ C++ Interview Questions,CPP Objective Type Questions,C+… { Class1 *ptr = new Class1(); return ptr;... Ans: A 89. Value of a in a = (b = 5, b + 5); is A.     Junk value B.     Syntax error C.     5 D.     10 Ans: D http://atozcpp.blogspot.com/2013/10/100­top­c­multiple­choice­questions­and.html#comment­form 13/16 6/9/2015 100 Top C++ Multiple Choice Questions and Answers for freshers pdf free download ­ AtoZ C++ Interview Questions,CPP Objective Type Questions,C+… 90. Write the output of the following:... C.     Constrcutor 1 D.     Type mismatch error Ans: B 95. class derived: public base1, public base2 { } is an example of http://atozcpp.blogspot.com/2013/10/100­top­c­multiple­choice­questions­and.html#comment­form 14/16 6/9/2015 100 Top C++ Multiple Choice Questions and Answers for freshers pdf free download ­ AtoZ C++ Interview Questions,CPP Objective Type Questions,C+… A.     Polymorphic inheritance B.     Multilevel inheritance...  Posted in: C++ Objective type Questions and Answers         +1   Recommend this on Google Older Post 0 comments: Post a Comment http://atozcpp.blogspot.com/2013/10/100­top­c­multiple­choice­questions­and.html#comment­form 15/16 6/9/2015 100 Top C++ Multiple Choice Questions and Answers for freshers pdf free download ­ AtoZ C++ Interview Questions,CPP Objective Type Questions,C+… Enter your comment Comment as:  Publish...6/9/2015 100 Top C++ Multiple Choice Questions and Answers for freshers pdf free download ­ AtoZ C++ Interview Questions,CPP Objective Type Questions,C+… binding B.     Redefining a function in a friend class is called function overriding while Redefining a... AtoZ C++ Interview Questions, Objective Type Questions, Study Materials for CPP.  AtoZ C++ Interview Questions,CPP Objective Type Questions,C++ Study Material http://atozcpp.blogspot.com/2013/10/100­top­c­multiple­choice­questions­and.html#comment­form 16/16