Class 12 Stacks Queues and Linked List Revision Notes
Stack In computer science, a stack is a Last in, First out (LIFO) data structure. It simply means that an element that is inserted at the end will be deleted first. To Manage a stack all the insertion and deletion takes place from one position called “top”. One of the common…
Class 12 OOP Classes And Objects Revision Notes
Class :- A class is collection of data (data member) and functions (member functions or methods) working on the data. It can be seen as a blue print for the object. No memory is allocated when a class is created. Memory is allocated only when an object is created. Object :-…
Class 12 Objective Oriented Programming in C++ Revision Notes
♦ Keywords: Keywords are the certain reserved words that convey a special meaning to the compiler. These are reserve for special purpose and must not be used as identifier name.eg for , if, else , this , do, etc. ♦ Identifiers: Identifiers are programmer defined names given…
Class 12 Network and Communication Technology Revision Notes
A Network is a collection of interconnected autonomous computers. A Computer which is a part of a network is known as Node or Workstation. The benefits of a network are Resource Sharing, Increased Reliability, Cost Reduction and Effective Communication. Types of Network:…
Class 12 Inheritance Revision Notes
Inheritance Inheritance is the process of creating a new class from existing class/classes. The existing class is known as the base/super/parent class and newly created class is known as derived/sub/child class. The derived class will inherits the properties of base class.…
Class 12 DBMS and Structured Query Language Revision Notes
♦ Basic Database Concepts Data : Raw facts and figures which are useful to an organization. We cannot take decisions on the basis of data. Information: Well processed data is called information. We can take decisions on the basis of information Field: Set of characters that…
Class 12 Data File Handling In C++ Revision Notes
File: - The information / data stored under a specific name on a storage device, is called a file. Stream: - It refers to a sequence of bytes. Text file: - It is a file that stores information in ASCII characters. In text files, each line of text is terminated with a special…
Class 12 Constructors and Destructors Revision Notes
Constructors and Destructors Constructor:- A constructor is a special member function with the same name as its class name and is used to initialize the data members of the class. Constructor is invoked automatically when an object of a class is created. Constructor do not…
Class 12 Boolean Algebra Revision Notes
Truth table: Truth table is a table, which represents all the possible values of logical variables/statements along with all the possible results of given combinations of values. Logical Operators: Logical operators are derived from the Boolean algebra, which is the…
Class 12 Arrays Stacks Queues And Linked List Revision Notes
In Computer Science, a data structure is a particular way of storing and organizing data in a computer so that it can be used efficiently. Different kinds of data structures are suited to different kinds of applications, and some are highly specialized to specific tasks. …