Linux Architecture and File System

Linux Files and Directory System  Linux OS comes with a well-defined file structure where user files are arranged in a definite directory structure. According to the type of files, the directories are categorized as Binary directories, configuration directories, Data directories, memory directories, USR (Unix System Resources), var(variable directory), and non-standard directories. Read more…

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SRS and Others

For more System Documentation Details (A) System Requirement Specifications(SRS) Documentation/Document Introduction A well-structured and comprehensive System Requirements Specification (SRS) document is crucial for successfully developing a software system. Definition System requirement specification is a set of complete and precisely stated properties along with the constraints of the system that the Read more…

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Branch of Computer System

Information Systems (IS) An information system (IS) is an organized system for the collection, organization, storage, and communication of information. It typically includes hardware, software, data, procedures, and people, all working together to manage and process information. Information systems are used in various contexts, such as business, education, healthcare, and Read more…

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Adder

Introduction Adder is a very good example of Combinational Logic Circuits. Definition An adder is a fundamental component in digital electronics devices and is used to perform arithmetic operations, specifically addition. Characteristics Adders are found in ALU of CPU. Adders do not have their memory. Their output depends solely on Read more…

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Modular and Structured Design

Modular and Structured Design is the fundamental concept of the System development process. System Design Principles System design principles are fundamental guidelines that help in creating robust, scalable, and maintainable systems. These principles ensure that the system meets its requirements and performs efficiently. There are two basic system design principles Read more…

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DFD

Introduction DFD is one of the most important system tools used for a system to develop it. Definition A Data Flow Diagram (DFD) is a visual/graphical representation of how data flows within a system or process or organization. Data Flow Diagrams are essential tools in system analysis and design, helping Read more…

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E-R Diagram

History Peter Chen developed the E-R Diagram in the 1970s and published his proposal for entity relationship modeling in a 1976 paper titled “The Entity-Relationship Model: Toward a Unified View of Data”. Peter Chen was a computer scientist who worked on improving database design.  Introduction E-R diagram stands for Entity-Relationship Read more…

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Fundamentals of DBMS

Introduction/Overview of Fundamentals of DBMS The fundamentals of DBMS is a critical component of modern computing systems, providing the foundation for data storage, management, and manipulation in a wide range of applications and industries. Definition of DBMS A Database Management System (DBMS) is software designed to manage, store, and retrieve Read more…

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In-Built Functions in Tableau

There are the following categories of In-Built Functions in Tableau:- (A) Number Type In-built Functions in Tableau Number type in-built functions in Tableau are used to perform calculations or manipulations on numeric data within our visualizations or calculated fields. These functions can be applied to measure values or to create Read more…

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