C C — Quiz

A These are lines read and processed by the preprocessor B They do not produce any code by themselves C These must be written on their own line D They end with a semicolon

A Declares a variable a with 100 as its initial value B Declares a construction a with 100 as its initial value C Declares a constant a whose value will be 100 D  Constructs an integer type variable with an as identifier and 100 as the value

A The first one refers to a variable whose identifier is x and the second one refers to the character constant x B The first one is a character constant x and the second one is the string literal x C Both are same D Both are string literal

A L prefix B  l prefix C W prefix D Z prefix

A integer B  floating C unsigned D  null

A Reference is the alternate name of the object B A reference value once defined can be reassigned C A reference value once defined cannot be reassigned D Reference is the alternate name of the variable

A & B  $ C  # D @

A Alternate name for the class B Alternate name for the variable C Alternate name for the pointer D  Alternate name for the object

A we can not create the array of reference B we can create the Array of reference C we can use reference to reference D we can use variable

A An alternative name for already existing variables B A pointer to a variable C A new type of variables D  A new type of constant variable

A References are an alias for a variable whereas pointer stores the address of a variable B References and pointers are similar C References stores address of variables whereas pointer points to variables D Pointers are an alias for a variable whereas references stores the address of a variable

A References stores the address of variables B References and variables both have the same address C References use dereferencing operator(*) to access the value of variable its referencing D References were also available in C

A References can be assigned value NULL B  References once assigned cannot be changed to refer another variable C Reference should not be initialized when created D Reference is the same as pointers

A * B  & C ^ D ->

A References cannot be NULL B A reference must be initialized when declared C Once a reference is declared, it cannot be modified later to reference another object i.e. it cannot be reset D References cannot refer to a constant value

A Assignment operator function B Copy Constructor C Destructor D Parameterized constructor

A A reference cannot be null B A reference once established cannot be changed C The reference doesn’t need an explicit dereferencing mechanism D All of the mentioned

A * operator is used to declare a reference B A reference variable defined to refer a particular variable can refer to any other variable also C References must always be initialized inside classes D A variable can have more than one references

A  int B float C double D all of the mentioned

A when it doesn’t point to any value B when it cast to another type of object C using delete keyword D using shift keyword

A const B volatile C both const & volatile D  static

A methods in c++ B class member in c++ C methods & class member in c++ D none of the mentioned

A pointer arithmetic B  pointer functions C pointer objects D pointer functions & objects

A objects B members C data D  objects & data

A : B  } C ; D  ;;

A it will not allocate any memory B  it will allocate the memory C it will be declared and initialized D  it will be declared

A  structure creator B structure signifier C structure specifier D structure creator & signifier

A struct {int a;} B struct a_struct {int a;} C  struct a_struct int a; D struct a_struct {int a;};

A b->var; B b.var; C b-var; D b>var;

A isalpha() B isalnum() C isdigit() D isblank()

A isalpha() B isalnum() C isdigit() D isblank()

A isalpha() B isalnum() C  isdigit() D isblank()

A  isspace() B isalnum() C iscntrl() D isblank()

A isspace() B  isalnum() C iscntrl() D  isblank()

A  isxdigit() B isprint() C  iscntrl() D  ispunct()

A isxdigit() B isprint() C iscntrl() D  ispunct()

A isxdigit() B  isprint() C iscntrl() D ispunct()

A Array subscripting B  Function call C Addition and subtraction D  Type cast

A postfix B unary C shift D  equality

A conditional B relational C casting operator D unrelational

A it converts virtual base class to derived class B it converts the virtual base object to derived objects C it will convert the operator based on precedence D it converts the virtual base object to derived class

A Bitwise operator B Conditional operator C Multiplicative operator D Addition operator

A  choosing structure B selective structure C certain structure D bitwise structure

A  for B while C do-while D all looping processes require that the iterations be known

A  user-defined function B main function C void function D else function

A return type, function name B return type, function name, parameters C parameters, function name D  parameters, variables

A  : B  ) C  ; D  ]

A 99 B 90 C 102 D 127

A call by value B call by reference C call by pointer D call by object

A whole program B only inside the {} block C the main function D header section