Understanding the components of standard template library
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The document discusses the components of the Standard Template Library in C++, which are containers, algorithms, and iterators. Containers store data in memory in an organized way. Algorithms are procedures that process data contained in containers. Iterators are objects like pointers that point to elements in containers, connecting algorithms to containers and playing a key role in manipulating data.
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Listing skillRahul Sharma This document discusses listening skills and effective listening. It defines listening as the process of hearing, understanding, and interpreting spoken words. Listening is the most important communication skill and requires practice and attention. While hearing is simply picking up sound waves, listening is an active process that involves analyzing, organizing, interpreting sounds and messages to understand their meaning. Tips for effective listening include being mentally prepared, evaluating the speech not the speaker, making eye contact, being patient, avoiding arguments, being open-minded, and asking clarifying questions. Effective listening is important for communication and stimulates better speaking.
If and select statement
If and select statementRahul Sharma This document discusses conditional statements in VB.NET, including if statements, if-then-else statements, if-then-elseif statements, nested ifs, and select case statements. It provides the syntax and examples of each type of conditional statement. The if statement executes code depending on a boolean expression being true or false. Select case statements allow checking multiple mutually exclusive conditions and executing different code blocks.
Object oriented programming
Object oriented programmingRahul Sharma This document discusses Object Oriented Programming and different programming paradigms. It provides an overview of OOP concepts like polymorphism, encapsulation, inheritance and abstraction. It also describes four programming paradigms: Monolithic Programming, Procedural Programming, Structured Programming, and Object Oriented Programming. The last paradigm, OOP, focuses more on data and divides programs into classes and objects that can communicate with each other through functions.
Listeningskills 120213044302-phpapp01
Listeningskills 120213044302-phpapp01Rahul Sharma Listening is the most important communication skill and requires active attention and participation. Effective listening involves hearing sounds, organizing them into patterns, interpreting meanings, and understanding messages. Problems in communication are often due to ineffective listening. While hearing is a sensory process, listening is an active process that involves comprehending, evaluating, and responding to messages. It is important to focus attention on the speaker, avoid distractions, and ask clarifying questions to ensure understanding.
Euler’s formula
Euler’s formulaRahul Sharma The document discusses Euler's formula in mathematics. It establishes the relationship between the number of vertices, edges, and regions of any connected graph as V - E + R = 2. It then provides results on the maximum number of edges for planar graphs with a certain number of vertices. Finally, it gives an example problem asking to determine the number of regions, degree of each region, and identify the exterior region for a sample graph.
Stack 111104232459-phpapp02
Stack 111104232459-phpapp02Rahul Sharma A stack is a Last In, First Out (LIFO) data structure where objects inserted last are removed first. It has operations like PUSH which adds an object to the top of the stack, POP which removes and returns the top object, and PEEK which returns the top object without removing it. The document was created by Rahul Sharma about data structures using C for the subject teacher Mr. Jasvinder Singh.
Smart cards 07521102013
Smart cards 07521102013Rahul Sharma Smart cards are credit card sized plastic cards with embedded integrated circuits and chips that conform to ISO 7816 standards. They are used for applications that require high security and authentication, including credit and debit cards, medical cards, identification cards, entertainment cards, and voting cards. Common uses of smart cards include secure user authentication for computers and networks, encryption of sensitive data, subscription information for satellite TV receivers, pre-paid phone cards, storing patient healthcare histories, and electronic ticketing for public transportation, parking, and road tolls.
Data,information and database
Data,information and databaseRahul Sharma Data refers to raw inputs that become meaningful when processed or organized into information. A database is a collection of organized data that meets users' needs. A database management system is a set of programs that allows users to store, modify, and extract information from a database. Examples of databases include computerized library systems, ATMs, flight reservation systems, and computerized parts inventory systems. Queries are used to request specific information from a database in the form of stylized questions.
Array
ArrayRahul Sharma This document defines and explains the different types of arrays in C programming, including one-dimensional, two-dimensional, and multi-dimensional arrays. It provides the definitions, declaration syntax, and memory allocation of each array type. One-dimensional arrays are linear collections of elements, two-dimensional arrays arrange elements in a matrix, and multi-dimensional arrays extend the concept further with additional indices.
Basic computer fundamentals
Basic computer fundamentalsRahul Sharma This document provides an overview of basic computer concepts including hardware, software, and the language of computers. It defines a computer as a programmable machine that can execute a set of instructions. It describes important hardware components like the CPU, hard disk, RAM, monitor, and peripherals. It explains that software has no physical form and discusses operating systems and applications. It also covers the digital language of computers using bits and bytes to represent information.
Rolling friction
Rolling frictionRahul Sharma Rolling friction is the force that opposes the rolling motion between two surfaces in contact. It is less than sliding friction because when a wheel rolls over a surface, the point of contact has zero velocity relative to the surface, so there is no slipping between the surfaces. This means less force is needed to overcome rolling friction compared to sliding friction. Because rolling friction is less, vehicles with wheels can transport heavy loads more efficiently than sliding loads, and motorcycles can travel farther on the same amount of fuel since their tires roll rather than slide.
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