Tell me some viva voice question and answers on c++ cbse 12th

VIVA_VOCE QUESTIOS FOR BOARD PRACTICAL EXAMS UNIT –I : PROGRAMMING IN C++ Q.1 Define following terms Array, Structure, Class, data-hiding, data abstraction, polymorphism, inheritance, pointers, constructor, destructor, parameterized constructor, default constructor, copy constructor, temporary instance,library functions and their header files. Q.2 Differentiate between ‘IS-A’ , ‘HAS-A’ and ‘HOLDS-A’ relationship in inheritance . Q.3 What are visibility modes ? Diffrentiate between them. Q.4 Define various types of inheritance . Q.5 How is memory allocated to data members and member function? Q.6 What is static data member and static member function. What is its use ? Q.7 How are constructor and destructor executed in inheritance ? Q.8 How are data-hiding, data-abstraction, encapsulation, polymorphism implemented in c++. Q.9 What contributes to function overloading – function signatures or return type of function. Q.10 Difference between array and structures, array and classes Q.11 Preprocessor directives- #include and #define.NOTE : REVISE CLASS XI C++ PROGRAMMING DATA FILE HANDLING Q.1 Use of data-files. Q.2 Definition of stream, different stream classes, member functions of these stream classes. Significance of ios flags. Q.3 difference between text and binary files, get() and read() functions, put() and write() functions Q.4 use and significance of seekg(),seekp(),tellg(),tellp(), Q.5 how does eof() works. UNIT –II : DATA STRUCTURES Q.1 Differentiate between arrays, stacks and queues. Q.2 Application of stacks and queues. Q.3 Merits and demerits of linear and binary search, bubble, selection and insertion sort. Q.4 Allocation and de-allocation operator new and delete. Q.5 Linked list, linked stack, linked queue, circular queue, doubly linked queue. UNIT –III SQL AND DATABASES Q.1 Definition of database,relation,,DBMS,RDBMS, domain, field, tuple, attribute, cardinality, degree, primary key, alternate key. Q.2 Operations on relation – selection, projection, union ,Cartesian product Q.3.Difference between create table and alter table , create table and create view commands, delete table and drop table. Q.4 Group functions – sum(), max(), min(), avg(), count() Q.5 Differentiate between DDL and DML commands with example. UNIT-IV BOOLEAN ALGEBRA Q.1 Universal gates – NAND and NOR . Why are they called universal gates. Q.2 Main theorems of Boolean Algebra, principle of duality UNIT –V COMMUNICATION AND NETWORKING Q.1 Definitions of network,Internet,switching techniques-Circuit, Message, Packet, Transmission media- Twisted, coaxial cable, optical fibre, micro wave, radio wave, satellite, buad rate, bandwidth,LAN,MAN,WAN,totplogies,hub,switch,router,bridge,repeater,firewall,cookies Q.2 FULL forms of HTTP, FTP,TCP/IP,SLIP/PPP, MODEM,CDMA,WLL,SMS,WWW,URL NOTE - ANY QUERIES CAN BE POSTED ON COMMENTS ALL THE BEST FOR FORTH COMING BOARD EXAMINATIONS. read less