CBSE Class 12 Computer Science HOTs Programming in C++

<p></p>1 Mark Questions Programming in C++ 1. Observe the program segment carefully and answer the question that follows: class item { int item_no; char item_name[20]; public: void enterDetail( ); void showDetail( ); int getItem_no( ){ return item_no;} }; void modify…

CBSE Class 12 Computer Science HOTs Database and SQL

General Guidelines to solve questions based on Database Concepts: 1. To answer the questions on Database Concepts, your answer should be to the point. 2. In case of few students who know the concept but are not able to write the answer, the practice in writing will help them…

CBSE Class 12 Computer Science HOTs Data Structures

  ARRAYS 4 Marks Questions An array is a simple data structure which can be used to store more than one values of same data type. Memory allocation for array is continuous. When ever we have to solve the single dimensional array problem we have to draw the diagram of…

CBSE Class 12 Computer Science HOTs Communication and Network

1 Mark Questions Communication and Network Concepts 1 What is bleeding of signal? 2 Which communication medium is to be suggested for very effective and fast communication in guided medium? 3 In harsh industrial environment which cable would you like to use? 4 Which media…

CBSE Class 12 Computer Science HOTs Sql 6 Marks Questions

1. Write SQL commands for (a) to ( j) and write output for (h) on the basis of Teacher relation given below. a) To show all information about the teacher of history department. b) To list the names of female teachers who are in Maths department c) To list names of all…

CBSE Class 12 Computer Science HOTs Programming in C++ 4 Marks Questions

<p> </p>4 Marks Questions Programming in C++ 1. Define a class Serial in C++ with the following specifications: Private members of class Serial ™ Serialcode integer ™ Title 20 characters ™ Duration float ™ Noofepisodes integers Public member function of class…

CBSE Class 12 Computer Science HoTs Programming in C++ 3 Marks Question

<p> </p>1 Give output of following code fragment: int val, res, n = 1000; cin >> val; res = n + val > 1750 ? 400 : 200; cout << res; (a) if the input is 2000. (b) if the input is 1000. (c) if the input is 500. 2 What will be the output if input is…

CBSE Class 12 Computer Science Programming in C++ Two Marks HOTs

<p></p>2 Marks Questions Programming in C++ 1. What is wrong with the following while loop: a. int counter = 1; b. int counter = 1; while ( counter < 100) while ( counter < 100) { cout << counter << “\n; cout << counter << “\n; counter…

CBSE Class 12 Computer Science 1 Marks HOTs

1 Mark Questions Programming in C++ 1. Observe the program segment carefully and answer the question that follows: class item { int item_no; char item_name[20]; public: void enterDetail( ); void showDetail( ); int getItem_no( ){ return item_no;} }; void modify(item x, int y…