Vipin Kumar Tiwari

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Introduction to Computer Networks: Types, Components, and Uses

IN THIS ARTICLE (a) Introduction (b) What is Network? (c) Network Components (b) Types of Network (c) What is Network Connection? (d) Types of Network Connections (e) What is Network Protocol ? (f) What is Network Packets? (g) What is Network Topology? (h) Types of Network Topology (i) Why Networks Matter Today (j) Summary Introduction In the digital age, networks form the foundation of nearly every online interaction. From checking emails to streaming videos and managing remote teams, networks quietly enable seamless communication between devices and systems. But what exactly is a network? How do they work, and why are they so essential in both personal and business environments? This article breaks down the basics of computer networks — including their types, components, and importance — in a simple, beginner-friendly manner. What is Network? A Network is a group of two or more interconnected devices for information or resource sharing and communicati...

Getting started with Python programming

Objectives (1) Python an introduction (2) Installation & set up Python in Command Prompt (3) Start Python programming using Command Prompt or IDLE (4) Create & run a Python file using Command Prompt or IDLE (5) Which is better Command Prompt or IDLE for Python programming? Python an Introduction Python is a High-Level, general purpose & Object-Oriented programming language. Python is simple, versatile and have extensive range of applications. These applications may include automation, web development, data analysis, artificial intelligence & machine learning, and more. High-level language means it allows human to write computer programs to interact with a computer system without having specific knowledge of the processor or hardware. Object-oriented programming (OOP) is a programming paradigm based on the concept of objects which contains data in the form of fields (known as attributes or properties) and code in the form of procedures (known as methods). Pyth...

Information Security: Definition, Objectives, Importance & Real-World Practices

Prerequisites & Important Definitions " Information is meaningful and useful data which can be processed, refined, analyzed, structured, relevant to the criteria, verifiable and documented as needed" "Information is an asset , has value for any organization like other important assets." " Information System can be applications, services, information technology assets, or other information handling components" (ISO IEC 27000 : 2017 Clause 2.39) " Threat is potential cause of an unwanted incident, which may result in harm to a system or organization" (ISO IEC 27000 : 2017 Clause 2.83) " Attack is an attempt to destroy, expose, alter, disable, steal or gain unauthorized access to or make unauthorized use of an asset " (ISO IEC 27000 : 2017 Clause 2.3) " Information security is preservation of confidentiality, integrity and availability of information " (ISO IEC 27000 : 2017 Clause 2.33) Introduction Informatio...

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