Computer Science Thesis Pdf 120278 | Computer Instructor Trb Exam 2019 Model Question Paper With Answer Key 11 English Medium

Partial capture of text on file.
                                                                      Padasalai
            
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                 ADHITHYA TRB - TET COACHING CENTRE  KANCHIPURAM  
                                                                SUNDER  MATRIC SCHOOL  - 9786851468  
                PG  - TRB                  COMPUTER SCIENCE                    TEST  - 11      
                      
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
            1. What is new operator? 
                     a)       Allocates memory for an object or array 
                     b)       Allocates memory for an object or array and returns a particular pointer 
                     c)       Used as return type when an object is created 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     d)       Used to declare any new thing in a program 
            
            2.    What happens when new fails? 
                     a)       Returns zero always 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     b)       Throws an exception always 
                     c)       Either throws an exception or returns zero 
                     d)       Terminates the program 
                     
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
            3.    The objects allocated using new operator ________________ 
                     a)       Are destroyed when they go out of scope 
                     b)       Are not destroyed even if they go out of scope 
                     c)       Are destroyed anytime 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     d)       Are not destroyed throughout the program execution 
                  
            4.    If new operator is defined for a class and still global new operator have to  
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     be used, which operator should be used with the keyword new? 
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     a)       Colon                                         b)   Arrow 
                     c)       Dot                                           d)   Scope resolution 
                     
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
            5.    Which operator returns address of unallocated blocks in memory? 
                     a)       The delete operator                           b)  The empty operator 
                     c)    The new operator                                 d)   All of them 
                     
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
            6.    In CPP, dynamic memory allocation is done using ______________  
                     operator.  
                     a.       calloc()                                      b.   malloc() 
                     c.       allocate                                      d.   New 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
            
           7.        Which of the following is not a false statement about new operator?  
                     a.       It can’t be overloaded. 
                     b.       It returns garbage value when memory allocation fails. 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     c.       It automatically computes the size of the data object. 
                     d.       All of these 
            
           8.        Which of the following operator is used to release the dynamically allocated 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     memory in CPP?  
                     a.       remove                                        b.   free 
                     c.       delete                                        d.   both b and c 
            
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                          AADHITHYA PG-TRB COMPUTER SCIENCE ,  KANCHEEPURAM- 9786851468 
            
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                                                          Padasalai
          
          
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
          
          9.      Which of the following is/are valid ways to allocate memory for an integer by 
                  dynamic memory allocation in CPP?  
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  a.     int *p = new int(100);                 
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  b.     int *p; p = new int; *p = 100; 
                  c.     int *p = NULL; p = new int; *p=100;                    
                  d.     All of these 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
          
         10.     During dynamic memory allocation in CPP, new operator returns _________  
                  value if memory allocation is unsuccessful. 
                  a.     False                                 b.   NULL 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  c.     Zero                                  d.   None of these 
          11.     Does delete return any value? 
                  a)     Yes, positive value                   b)   Yes, negative value 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  c)     Yes, zero value                       d)   No 
           
          12.   Which type of value is resulted from the delete operator? 
                  a)    void                                   b)   void pointer 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  c)     null pointer                          d)   null 
           
          13.   When delete operator is used ___________________ (If object has a 
                  destructor) 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  a)     Object destructor is called after deallocation 
                  b)     Object destructor is called before deallocation 
                  c)     Object destructor is not used 
                  d)     Object destructor can be called anytime during destruction 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
           
         14)      Which is the correct syntax to delete a single object? 
                  a)     delete *objectName;                   b)   objectName delete; 
                  c)     delete objectName;                    d)   objectName *delete; 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
          
         15.    Which of the following are member dereferencing operators in CPP? 
                  1.     * 
                  2.     :: 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  3.     ->*  
                  4.      ::* 
                  5.     -> 
                  a.     Only 1, 3, 4                          b.   Only 1 and 5 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  c.     Only 3 and 4                          d.   Only 3,4,5 
          
         16.      Which of the followings is/are pointer-to-member declarator?  
                  a.     ->*                                   b.   .* 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  c.     ::*                                   d.   both a and b 
          
          
          
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                      AADHITHYA PG-TRB COMPUTER SCIENCE ,  KANCHEEPURAM- 9786851468 
          
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                                              Padasalai
        
        
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
       17.    What is meaning of following declaration? int(*p[5])(); 
              a.    p is pointer to function. 
              b.    p is array of pointer to function. 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
              c.    p is pointer to such function which return type is array. 
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
              d.    p is pointer to array of function. 
        
       18.    A void pointer cannot point to which of these? 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
              A.   methods in c++                  B.   class member in c++ 
              C.   both a & b                      D.   none of the mentioned 
        
       19.    What we can’t do on a void pointer? 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
              A.   pointer arithemetic             B.   pointer functions  
              C.   both of the mentioned           D.   none of the mentioned 
        
       20.    Choose the right option string* x, y; 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
              A.   x is a pointer to a string, y is a string  
              B.   y is a pointer to a string, x is a string  
              C.   both x and y are pointer to string types  
              D.   none of the mentioned 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
        
       21.    Which of the following is illegal? 
              A.   int *ip;                        B.   string s, *sp = 0; 
              C.     int i; double* dp = &i;       D.   int *pi = 0; 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
        
       22.    What will happen in this code? 
              int a = 100, b = 200; 
              int *p = &a, *q = &b; 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
               p = q; 
              A.   b is assigned to a              B.   p now points to b  
              C.   a is assigned to b              D.   q now points to a 
        
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
       23.    By default, all the files are opened in ___________mode .  
              a.    Binary                         b.   Text 
              c.    Can’t say                      d.   NULL 
        
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
       24.    Which of the following is not a file opening mode ____ .  
              a.    ios::ate                       b.   ios::nocreate 
              c.    ios::noreplace                 d.   ios::truncate 
        
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
        25.    __________ is return type of is_open() function.  
              a.    int                            b.   bool 
              c.    float                          d.   char * 
        
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
        26.   If we have object from fstream class, then what is the default mode of 
              opening the file?  
               a.   ios::in|ios::out               b.   ios::in|ios::out|ios::trunc 
               c.   ios::in|ios::trunk             d.   Default mode depends on compiler 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                  AADHITHYA PG-TRB COMPUTER SCIENCE ,  KANCHEEPURAM- 9786851468 
        
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                                                                   Padasalai
            
            
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
            
           27.     To create an output stream, we must declare the stream to be of class ____ 
                      a.     ofstream                                     b.   ifstream 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     c.      iostream                                     d.   None of these 
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
            28.      Streams that will be performing both input and output operations must be 
                     declared as class _________ .  
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     a.      iostream                                     b.   fstream 
                     c.      stdstream                                    d.   Stdiostream 
            
           29.       To perform File I/O operations, we must use _____________ header file.  
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     a.      < ifstream>                                  b.   < ofstream> 
                     c.      < fstream>                                   d.   Any of these 
            
            30.   Which of the following is not used to seek a file pointer?  
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     a. ios::cur                                          b.   ios::set 
                     c. ios::end                                          d.   ios::beg 
            
            31.   Which operator is used to insert the data into file? 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     a)    >>                                             b)    << 
                     c)      <                                            d)   None of the mentioned 
           32.    Which function is used to position back from the end of file object? 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     a)      seekg                                        b)   seekp   
                     c)      both seekg & seekp                           d)   none of the mentioned 
            33.   Which is used to do the dereferencing? 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     a)    pointer without asterix                        b)   value without asterix 
                     c)      pointer with asterix                         d)   value with asterix 
           34.    To which does the function pointer point to? 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     a)      variable                                     b)   constants 
                     c)      function                                     d)   absolute variables 
           35)    What will we not do with function pointers? 
                    a)    allocation of memory                            b)   deallocation of memory 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                    c)       both allocation & deallocation of memory 
                    d)       none of the mentioned 
           36)    What is the mandatory part to present in function pointers? 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     a)      &                                            b)   return values 
                     c)      data types                                   d)   none of the mentioned 
           37)    What is the meaning of the following declaration? 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                     int(*ptr[5])(); 
                     a)      ptr is pointer to function                   b)   ptr is array of pointer to function 
                     c)      ptr is pointer to such function which return type is array 
                     d)      ptr is pointer to array of function 
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
                         AADHITHYA PG-TRB COMPUTER SCIENCE ,  KANCHEEPURAM- 9786851468 
            
www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
  www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net www.Padasalai.Net
The words contained in this file might help you see if this file matches what you are looking for:

...Padasalai www net adhithya trb tet coaching centre kanchipuram sunder matric school pg computer science test what is new operator a allocates memory for an object or array b and returns particular pointer c used as return type when created d to declare any thing in program happens fails zero always throws exception either terminates the objects allocated using are destroyed they go out of scope not even if anytime throughout execution defined class still global have be which should with keyword colon arrow dot resolution address unallocated blocks delete empty all them cpp dynamic allocation done calloc malloc allocate following false statement about it can t overloaded garbage value automatically computes size data these release dynamically remove free both aadhithya kancheepuram valid ways integer by int p null during unsuccessful none does yes positive negative no resulted from void has destructor called after deallocation before destruction correct syntax single objectname member d...
Related files

Share

Help

Related files

Share

Share to social media

Help

Login Area
