542 + Mcqs in Object Oriented Programming Using Cpp Page 6 McqOptions

251.	A C++ term meaning "generic" is
A.	argument
B.	parameterized
C.	universal
D.	global
Answer» C. universal

Discussion

252.	Procedural cohesion is similar to sequential cohesion, except that with procedural cohesion _____
A.	the tasks are not done in order
B.	the tasks are simpler
C.	the tasks share data
D.	the tasks do not share data
Answer» E.

Discussion

253.	The two parts of a function are the
A.	header and footer
B.	declarations and statements
C.	legs and feet
D.	header and body
Answer» E.

Discussion

254.	Which of the following is a string literal constant?
A.	"Visual C++"
B.	"137.45"
C.	"A"
D.	"2,365"
Answer» E.

Discussion

255.	Within parentheses, catch blocks can have _____
A.	no arguments
B.	one argument
C.	two arguments
D.	as many arguments as necessary
Answer» C. two arguments

Discussion

256.	The feature that allows you to use the same function name for separate functions that have different argument lists is called _____
A.	overriding
B.	overloading
C.	constructing
D.	destructing
Answer» C. constructing

Discussion

257.	Software that can be used in applications other than the one for which it was originally written is called
A.	recyclable
B.	inherited
C.	reusable
D.	cheating
Answer» D. cheating

Discussion

258.	The C++ keyword for declaring a variable that contains a decimal point is _____
A.	dec
B.	decimal
C.	float
D.	floater
Answer» D. floater

Discussion

259.	Another drawback to returning an error code from a function is that any error code returned by the function
A.	must be of the same type as return type of the function
B.	must not be a character
C.	cannot be checked in a main() program
D.	can have multiple meanings
Answer» B. must not be a character

Discussion

260.	A constructor initialization list produces similar results to
A.	overriding
B.	assignment
C.	redeclaring
D.	output
Answer» C. redeclaring

Discussion

261.	In the C language, the character type of constant is delimited by using
A.	single quotes
B.	double quotes
C.	parenthesis
D.	#
Answer» B. double quotes

Discussion

262.	An object is a(n) _____ of a class
A.	owner
B.	function
C.	definition
D.	instance
Answer» E.

Discussion

263.	The statement fwrite ( (char*)&objl, sizeof(objl) );
A.	writes the member functions of objl to fl
B.	writes the data in objl to fl
C.	writes the member functions and me data of obj 1 to fl
D.	writes the address of objl to fl
Answer» C. writes the member functions and me data of obj 1 to fl

Discussion

264.	Which of the following tells C++ to display numbers with zero decimal places?
A.	setiosflags(0)
B.	setiosflags(zero)
C.	setprecision(0)
D.	setprecision(zero)
Answer» D. setprecision(zero)

Discussion

265.	Which of the following is a C++ class?
A.	>>
B.	read()
C.	cin
D.	iostream
Answer» E.

Discussion

266.	Catch blocks must _____
A.	appear in every object-oriented program
B.	appear within try blocks
C.	appear immediately after throw statements
D.	appear immediately after try blocks
Answer» E.

Discussion

267.	In C++, a function contained within a class is called
A.	a member function
B.	an operator
C.	a class function
D.	a method
Answer» B. an operator

Discussion

268.	The function strcmp("Jose", "JOSE") will return _____
A.	-1
B.	0
C.	1
Answer» D.

Discussion

269.	A variable's _____ indicates how long the variable remains in the computer's memory
A.	area
B.	extent
C.	lifetime
D.	reach
Answer» D. reach

Discussion

270.	In the C language, a string is assigned to the
A.	char type of variable
B.	string type of variable
C.	conversion specification %s
D.	All of the above
Answer» B. string type of variable

Discussion

271.	A programming structure that contains data and a pointer to the next object is a
A.	template
B.	class
C.	pointer class
D.	linked list
Answer» E.

Discussion

272.	You typically initialize Short Integer, Integer, and Long Integer variables to
A.	a space enclosed in double quotes
B.	a space enclosed in single quotes
C.	the letter O
D.	the number 0
Answer» E.

Discussion

273.	A function stub typically contains
A.	the function header
B.	the function braces
C.	the return statement, if it's value- returning function
D.	a display message
Answer» E.

Discussion

274.	The complement operator is represented by the symbol
A.	~
B.	^
C.	i
D.	<
Answer» B. ^

Discussion

275.	When a variable exists or is accessible, it is said to be _____
A.	immediate
B.	in the path
C.	available
D.	in scope
Answer» E.

Discussion

276.	Machine code is _____
A.	edited code
B.	source code
C.	the 0s and 1s that the computer can understand
D.	both (b) and (c)
Answer» D. both (b) and (c)

Discussion

277.	You can code a default exception handler by creating a catch block
A.	with no arguments
B.	with a void argument
C.	with an ellipsis as its argument
D.	with an argument identical to that thrown
Answer» D. with an argument identical to that thrown

Discussion

278.	The following statement where T is true and F is false T&&T\|\|F&&T
A.	is true
B.	is false
C.	is wrong
D.	not applicable in C language
Answer» B. is false

Discussion

279.	The getline() function reads a line of text until _____
A.	the length used as the second argument is reached
B.	the character used as the third argument is reached
C.	either (a) or (b)
D.	neither (a) nor (b)
Answer» D. neither (a) nor (b)

Discussion

280.	A derived class may also be called a
A.	subclass
B.	super class
C.	parent class
D.	derived class
Answer» B. super class

Discussion

281.	If you omit any constructor argument when you instantiate an object, you must use default values______
A.	for all parameters to the constructor
B.	for all parameters to the right of the argument
C.	for all parameters to the left of the argument
D.	for no other parameters
Answer» C. for all parameters to the left of the argument

Discussion

282.	Elements in an array are identified by a unique _____
A.	data type
B.	order
C.	subscript
D.	symbol
Answer» D. symbol

Discussion

283.	A comment
A.	is a note that can be put into the source code
B.	is ignored by the compiler.
C.	starts with the /* character pair
D.	All of the above
Answer» E.

Discussion

284.	A default exception block must be placed _____
A.	first among the catch blocks
B.	last among the catch blocks
C.	globally, at the top of the file
D.	at the end of all code in the program
Answer» C. globally, at the top of the file

Discussion

285.	A child class _____ exist if there is no parent class
A.	must
B.	may
C.	cannot
D.	can
Answer» D. can

Discussion

286.	You can place function templates
A.	at the end of main()
B.	at the start of a program above main()
C.	in two files-one for the definition and one for the function
D.	any of the above
Answer» C. in two files-one for the definition and one for the function

Discussion

287.	Which of the following is false?
A.	You enclose a function's statements in a set of braces
B.	The function header is considered a C++ statement, so it must end in a semicolon.
C.	The keyword void tells the C++ compiler that the function does not return a value
D.	A function can receive information that you send (pass) to it
Answer» C. The keyword void tells the C++ compiler that the function does not return a value

Discussion

288.	Any output manipulator function you create _____
A.	should take as an argument an instance of ostream as a reference
B.	should return void
C.	must be a member function of the ostream class
D.	must inherit ostream
Answer» B. should return void

Discussion

289.	The most common operation used in constructors is
A.	addition
B.	overloading
C.	assignment
D.	polymorphism
Answer» D. polymorphism

Discussion

290.	The feature that allows the same operations to be carried out differently depending on the object is _____
A.	polymorphism
B.	polygamy
C.	inheritane
D.	multitasking
Answer» B. polygamy

Discussion

291.	The indirection operator is the
A.	asterisk
B.	ampersand
C.	dollar sign
D.	plus sign
Answer» B. ampersand

Discussion

292.	Values that are used to end loops are referred to as _____ values
A.	end
B.	finish
C.	sentinel
D.	stop
Answer» D. stop

Discussion

293.	Assume that a program creates and initializes a Short Integer variable named age and a pointer named agePtr, to which it assigns the address of the age variable. Which of the following statements will assign the number 21 to the age variable?
A.	age = 21;
B.	*age = 21;
C.	agePtr = 21;
D.	*agePtr = 21;
Answer» E.

Discussion

294.	If you declare two objects as Customer firstCust, secondCust; which of the following must be true?
A.	Each object's nonstatic data members will be stored in the same memory location
B.	Each object will be stored in the same memory location
C.	Each object will have a unique memory address
D.	You cannot declare two objects of the same class
Answer» D. You cannot declare two objects of the same class

Discussion

295.	If you want to use a class to define objects in many different programs, you should define the class in a C++ _____ file
A.	header
B.	program
C.	source
D.	text
Answer» B. program

Discussion

296.	Which of the following operators is the equality operator?
A.	!=
B.	=
C.	==
D.	->>
Answer» D. ->>

Discussion

297.	If a class will serve as a base class, most often the base class data members are
A.	private
B.	protected
C.	public
D.	polymorphic
Answer» D. polymorphic

Discussion

298.	The general form of do-while statement is
A.	do expression while statement;
B.	do while expression;
C.	do statement while (expression);
D.	do statement while statement;
Answer» D. do statement while statement;

Discussion

299.	A function can make_________
A.	one throw
B.	one throw of each scalar type
C.	one throw of each programmer-defined type
D.	as many throws of as many types as necessary
Answer» E.

Discussion

300.	You define a structure type globally because
A.	you save many lines of code by not rewriting an identical structure definition in each function that uses it
B.	you will never change its definition
C.	it is required in C++
D.	all of the above
Answer» B. you will never change its definition

Discussion

Explore topic-wise MCQs in Computer Science.

A C++ term meaning "generic" is

Procedural cohesion is similar to sequential cohesion, except that with procedural cohesion _____

The two parts of a function are the

Which of the following is a string literal constant?

Within parentheses, catch blocks can have _____

The feature that allows you to use the same function name for separate functions that have different argument lists is called _____

Software that can be used in applications other than the one for which it was originally written is called

The C++ keyword for declaring a variable that contains a decimal point is _____

Another drawback to returning an error code from a function is that any error code returned by the function

A constructor initialization list produces similar results to

In the C language, the character type of constant is delimited by using

An object is a(n) _____ of a class

The statement fwrite ( (char*)&objl, sizeof(objl) );

Which of the following tells C++ to display numbers with zero decimal places?

Which of the following is a C++ class?

Catch blocks must _____

In C++, a function contained within a class is called

The function strcmp("Jose", "JOSE") will return _____

A variable's _____ indicates how long the variable remains in the computer's memory

In the C language, a string is assigned to the

A programming structure that contains data and a pointer to the next object is a

You typically initialize Short Integer, Integer, and Long Integer variables to

A function stub typically contains

The complement operator is represented by the symbol

When a variable exists or is accessible, it is said to be _____

Machine code is _____

You can code a default exception handler by creating a catch block

The following statement where T is true and F is false T&&T||F&&T

The getline() function reads a line of text until _____

A derived class may also be called a

If you omit any constructor argument when you instantiate an object, you must use default values______

Elements in an array are identified by a unique _____

A comment

A default exception block must be placed _____

A child class _____ exist if there is no parent class

You can place function templates

Which of the following is false?

Any output manipulator function you create _____

The most common operation used in constructors is

The feature that allows the same operations to be carried out differently depending on the object is _____

The indirection operator is the

Values that are used to end loops are referred to as _____ values

Assume that a program creates and initializes a Short Integer variable named age and a pointer named agePtr, to which it assigns the address of the age variable. Which of the following statements will assign the number 21 to the age variable?

If you declare two objects as Customer firstCust, secondCust; which of the following must be true?

If you want to use a class to define objects in many different programs, you should define the class in a C++ _____ file

Which of the following operators is the equality operator?

If a class will serve as a base class, most often the base class data members are

The general form of do-while statement is

A function can make_________

You define a structure type globally because