Model Question Paper37

8/10/2019 Model Question Paper37

1/18

Model Question Paper

Subject Code: BC0037

1. High level languages like C, Fortran are also known as --------------- .

a. procedural languages

b. Object oriented language

c. form based language

d.both a and b

2. one of the basic concet in Object Oriented !rogramming aroach is bundling bothdata and functions into one unit known as ------------.

a. "imle varriable

b. object

c. bundle

d.both a and b

#. which of the following shows the Oerator overloading feature in C$$

a. Polymorphism

b. inheritance

c. message assing

d. both a and b

%. One of the alternative to nested if is the -------------

a. break statement

b. &um statement

c. sitch statement

d. both a and b'. (n switch case statement , ever) case should have a ------------ statement as the laststatement

a. &um

b. brea!


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3. (n two dimentional arra)s, elements can be accessed b) ----------- inde*es.

a. One

b. four

c. three

d. to

4. "trings are nothing but ----------- arra)s

a. character

b. integer

c. floating oint

d. both c and b

15. (f there is no value returned b) the function, then function return t)e should besecified as-----------

a. #oid

b. Function name onl)

c. int

d. float

11. 6ver) user-defined function should be declared in the rogram -------------.

a. after it is used

b. be"ore it is used

c. at the time of its invocation

d. both a and b

12. 7ore than one user defined functions can have same name and erform differentoerations. 8his is a owerful feature of C$$ and is known as --------------

a. inheritance

b.oerator loading

c. "unction o#erloading

d. both c and b


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1#. Classes rovide users a method to create -------------data t)es

a. characte9

b. !rimitive

c. integer

d. user de"ined

1%. !rivate data and functions can be accessed onl) b) the--------------- of the class

a. 7ember data

b. member "unctions

c. friend function

d.both a and b

1'. Constructors are member functions of a class which have same name as the ---------

a. class name name

b.data member

c. class name

d. other class data member

1+. :hen using oerator overloading, the oerator should erform onl) the ---------------.Otherwise it will lead to more confusion.

a. most ob#ious "unction

b. ;ocal function

c. global function

d. both b and c

10. :hich of the following oerator can not be overload

a. ddition

b. scope resolution operator

c. multilication

d. division

13. Oerator overloading works similar to an) --------- of a class


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a. member "unction

b. friend function

c. data member

d. both b and c

14. 8he features of the base class are said to be inherited b) the ------------

a. constructor

b. !rotected class

c. rivate class

d . deri#ed class

25. 8he data members in a class are usuall) declared -------------

a. !rotected

b. ublic

c. pri#ate

d. both a and c

21.


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b. scope resolution

c. colon

d.-=

2%. >irtual functions are rimaril) used in -----------

a. inheritance

b. oerator overloading

c. encasulation

d. data binding

2'. 8he header file---------- is a header file containing the declarations of cin and coutclasses

a. s)stem.h

b. "tdio.h

c. iostream.h

d . rocess.h

2+. 8he class istream is derived from ------------ which contains all the necessar)functions for handling inut

a. ?ase class

b. ios class

c. derived class

d.both a and c

20. 8he class fstream inherited from both iostream and fstreambase is used for files thatwill erform ----------

a. onl) outut

b.onl) inut

c. both input and output

d.none of them

23. 8he function-------------- will return the last read character and will move the insideointer, one with -1 char.

a$ getline/


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b/ flush/

c/ eek/

d/ putbac!%$

24. -------------- is an identifier that can be inserted into an outut stream or e*tracted

from an inut stream in order to roduce a desired effect.

a/"tream

b$ Manipulator

c/ this

d/ Flag

#5. class generated from a class temlate is called --------------------

a/ (nherited class

b/ derived class

c/ generated class

d/ base class

#1. :hen the comiler generates a class, function or static data members from atemlate, it is referred as -------------------------

a. template instantiation

b. temlate seciali@ation

c. artial seciali@ation

d. function seciali@ation

#2. :hat are the two basic models in the e*cetion handling theor).

a. caught and uncaught

b. termination and resumtion

c. tr) and block

d. none of these

##. which of these isAare the e*cetion classes derived from logicBerrori/ domainBerror ii/ outBofBrange iii/ badBcast iv/ badBalloc

a. i/,ii/,iii/ onl)

b. iv/ onl)

c. i/ and iv/ onl)

d. iii/ onl)


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#%. "tack is an e*amle for ---------------- structure.

a. "("O

b. F(FO

c. ;(FO

d. ;(;O

#'. 8he standard seuence containers include --------------

i/ vector ii/ deue iii/list iv/ stack

a. and ii/ onl)

b. i/,ii/ and iii/

c. and iv/ onl)

d. i/,ii/,iii/ and iv/

#+. --------------- diagram shows the change of an object through time.

a. ctivit)

b. Collaboration

c. Dse case

d. State

#0. :hich of these link is used to avoid reetition of scenarios in multile use cases.

a. &nclude

b. Eenerali@ation

c. 6*tends

d. one of these

#3. '''''''''''''''' is a mechanism of reusing and e*tending e*isting classes withoutmodif)ing them, thus roducing hierarchical relationshis between them.

a. "tatic ?indingb. irtual class#4. ---------------- allows )ou to create a derived class that inherits roerties from morethan one base class.

a. 7ultilevel inheritance

b. Multiple inheritance


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c. H)brid (nheritance

d. Hierarchical (nheritance

%5. ---------- ointers are not modifiable.

a. that

b. this

c. indirection

d. address

Part B %(o mar! )uestions$

%1. 8he ----------- and --------------statements which we were using for inut fromke)board and outut to disla) screen C$$..

a. Cin* cout

b. scanf, rintf

c.s)stem.out.rintln, rintwriter

d. cin, scanf

%2. which of the followings/ isAare the correct s)nte* for for loo.

a. forinitiali@ation statement,loo termination condition,statement toincrementAdecrement the loo variable/

b. "or%initiali+ation statement,loop termination condition,statement toincrement-decrement the loop #ariable$

c.forinitiali@ation statementloo termination conditionstatement toincrementAdecrement the loo variable/

d. forinitiali@ation statementloo termination condition/statement toincrementAdecrement the loo variable

%#. Gincludeiostream.h=

Gincludeiomani.h=

const int si@eI15

void main/

J

Char strKsi@eL

CoutMenter a stringM


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Cin==setwsi@e/==str

N

for above rogram, ma*imum how man) characters can be stored in arra).

a. 11 character

b. 15 character

c. character

d. 3 character

%%. 6ver) function can have ------or--------arguments

a. no , onl) one

b. one, ma*imum two

c.one, an) number of

d. no* any number o"

%'. :hen object of an) class, obj is created, automaticall) the constructor is---------------- and data is initiali@ed to -----------.

a. (nvoked, one

b. &n#o!ed* +ero

c.declare, default

d. declare, one

%+. Oerator overloading rovides a fle*ible wa) to work with ------------- and can make------------- look obvious

a. object, object

b. simle varriables, rogram code

c. Classes* program code

d. classes, assembl) code

%0. 8he functions of the derived class can access ------------ members of the base classbut not the ---------- members of the base class.

a. public and protected* pri#ate

b. rivate and rotected, ublic

c. rivate, rotected


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d. rivate, ublic and rotected

%3. ure virtual function is an e*amle of -----------which does not have ------------.

a run time ol)morhism , an) function to oerate.

b. ol)morhism, an) function to oerate

c. run time polymorphism * any body

d. class, an) bod)

%4.


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a. inherited

b. base

c. generated

d. derived

'%. 6*cetions should not be used for---------------

a. asynchronous e#ents

b. ordinar) error condition

c. flow of control

d. all of the above

''. ---------------- is the e*cetion class derived from runtimeBerror.

a. rangeerror

b. lenghBerror

c. badBt)eid

d. metBerror

'+. From the following list identif) iterator adators

a. reverse iterator

b. insert iteratorc. raw storage iterator

d. all o" these

'0. :hen )ou wish to show the seuence of events on a broader scale , use --------------

a. activit) diagram

b. state diagram

c. both 1$ and B$

d. either / or ?/

'3. "tate true or false

i/ ttributes that are static onl) e*ist once for all instances of the class.

ii/ (f an attribute is declared final, its value can be changed.

a. true *"alse


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b. true , true

c. false , false

d. false, true

'4. (f a function is declared virtual in its base class, )ou can still access it directl) usingthe -----------------------------

a. >irtual e)word

b. scope resolution 2perator

c. (ndirection Oerator

d. ddress Oerator

+5. ----------------- is the abilit) of objects belonging to different t)es to resond to

method calls of methods of the same name, each one according to an aroriate t)e-secific behavior.

a. (nheritance

b. >irtualit)

c. Polymorphism

d. one of these.

Part C %our mar! )uestions$

+1. state whether the following statement is true or false for C$$ !rogram and rogramstructure.

1/. 6ver) statement in C$$ ends with a semicolon /. 2/. 6ver) C$$ rogram shouldhave a main/ function #/. 8o create a variable, the variable should suort an inbuiltdatat)e

a. 1. 8rue, 2. true, #. true

b. 1. true, 2. false, #. false

c. 1. false, 2. false, #. false

d. 4. "alse* 5. true* 3. true

+2. G include iostream.h=

void main/

J

int number,factI1

cout Penter a numberM


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cin==number

forint iInumberi=1i$$/

factIfactQi

coutMFactorial of numberPisMfact

N

for above code which of the following error will be seen generated b) the comilor

a. logical error

b. s)nte* error

c. both a and b

d. non of them

+#. state whether the following statement is true or false for C$$ "trings

1/. using cin statement, the comiler stos taking inut from the user once it encounterssace or linefeed 2/.8he strings cannot be also initialised as arra)s.

#/. One basic difference between other arra)s and strings is that the comiler stores ane*tra null character RA5 / for ever) string to mark the end of the string

a. 4. (rue* 5. "alse* 3. true



d. 1. false, 2. true, #. true

+%. state whether the following statement is true or false for !assing


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a. 1. false, 2. true, #. true



d. 4. true* 5. true* 3. true

++. state whether the following statement is true or false

1/. Oerator overloading feature hels to change the functionalit) of oerators with an)datat)e 2/. (t is necessar) to overload oerators for all classes #/. Sou can overloadall oerators in C$$.



c. 4. "alse* 5. "alse* 3. "alse

d. 1. false, 2. true, #. 8rue

+0. state whether the following statement is true or false for Objects and !ointers 1/. 8oaccess the member functions through the ointer there is simle oerator -= which isknown as membershi access oerator 2/. 8his ointer is a user defined ointer createdfor ever) object that oints to the object in ne*t class

#/. !ointers can oint to user defined objects as well.


b. 4. true* 5. "alse* 3. true



+3. state whether the following statement is true or false for !ol)morhism 1/.Oeratoroverloading is, a t)e of ol)morhism which allows the same oerators to behavedifferentl) with different datat)esAoerands 2/. inheritence is an e*amle ofol)morhism #/. >irtual functions in C$$ are imortant to imlement the concet ofol)morhism.

a. 4. (rue* 5. "alse* 3. true

b. 1. true, 2. true, #. true




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+4. state whether the following statement is true or false for Command ;ine rguments1/. Command line arguments are useful to ass arguments to the rogram whilerunning the rogram 2/. Command line arguments are used when invoking the rogramfrom


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a. 1-ii, 2-iii, #-iv, %-(

b. 4'iii* 5'i#* 3'ii * 6' i

c. 1-iii, 2-iv , #-i , %-ii

d. 1-iv, 2-iii, #-i, %-ii

0#. 7atch the following

1. ;ink i. scenarios

2. ctor ii. stereot)es

#. e*tensibilit) mechanism iii. roles

%. use case iv. (nclude

a. 1-ii 2-iii #-iv %-i

b. 1-iii 2-i #-ii %-iv

c. 4'i# 5'iii 3'ii 6' i

d. 1-iii 2-iv #-i %-ii

0%. 7atch the following

"tatic binding i/ abstract class


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1nser eys Part ' 1 Part ' B Part ' C

Q. 8o. 1ns.ey

Q. 8o. 1ns.ey

Q. 8o. 1ns.ey

Q. 8o. 1ns.ey

1 21 %1 +1

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Model Question Paper37