Dhanwant Computer & Artistic Skills

  Hi there. I am your host Dhanwant Singh, and you are watching the screens of Dhanwant Computer and Artistic Skills. In next few minutes I am going to discuss following topics 1)      Concept of MAC Address. 2)      Concept of Ethernet Networks. First of all, we need to understand What is a MAC Address? A MAC address (Media Access Control address) is a unique identifier assigned to the network interface card (NIC) of a device. It's like a fingerprint for your computer, phone, printer, or any device that connects to a network. Click here to watch the video of this post What Does It Look Like? A MAC address is a 48-bit (6-byte) address, usually written in hexadecimal like this: 00:1A: 2B:3C:4D:5E Each pair of characters represents 1 byte. The total is 6 bytes = 48 bits. Structure of a MAC Address 1)      First 3 bytes (24 bits): Organizationally Unique Identifier (OUI)- Identifies the manufa...

  Welcome back readers. I am your host Dhanwant Singh and you are reading the post of the blog Dhanwant Computer and Artistic Skills. The topic of this post is Motherboard of a Computer System. In next few minutes I am going to discuss different parts of a motherboard of the Computer System.   Click here for video link of this post A motherboard is the primary circuit board in a computer system, acting as the central hub that interconnects all components, enabling them to communicate and function cohesively. Often referred to as the "backbone" or "spine" of the computer, the motherboard facilitates the integration of critical hardware elements such as the CPU, memory, storage devices, and expansion cards. Key Components of a Motherboard: 1.     CPU Socket: A designated slot that securely holds the Central Processing Unit (CPU), allowing it to interface with other system components. 2.     Memory Slots (DIMM or RAM Slots): Slots wher...

  Welcome Back Readers. I am your host Dhanwant Singh and you are reading the post of   the Blog Dhanwant Computer and Artistic Skills . In this post I am going to discuss with you Concept of RDBMS. In next few minutes you explore as follows: Definition of RDBMS Features of RDBMS Advantages of RDBMS Examples of RDBMS Some basic MCQs of RDBMS 1)     A Relational Database Management System (RDBMS) is a software system that stores, manages, and retrieves data using a relational model . In this model, data is organized into tables (also called relations) consisting of rows and columns. Relationships between different tables are established through keys , ensuring data integrity and efficiency. Click here to watch the video of this post   Features of RDBMS a) Data Storage in Tables 1.      Data in an RDBMS is stored in tables (relations) with defined attributes (called columns). 2.      Each row (record) i...