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Software Systems Articles
Found 127 articles
Causes of Failure in Operating System
In any computer system, the Operating System (OS) is the most important system software that creates an interface between a computer user and the computer hardware, and also manages all the system resources. The operating system performs all the necessary basic functions like file management, memory management, process management, input and output handling, and controlling peripheral devices. The operating system is entirely responsible for creating a user interface and providing a platform for all other software applications to run. However, like any other software in a computer system, the operating system may fail due to various reasons. Understanding these ...
Read MoreSpatial Computing Basics, Working, Advantages, Disadvantages and Applications
Spatial Computing is a technological field that merges the physical world with digital systems to create immersive, three-dimensional computing experiences. Unlike traditional 2D computing interfaces, spatial computing enables users to interact with digital content in three-dimensional space using natural gestures, voice commands, and environmental awareness. This technology combines advanced tools such as Virtual Reality (VR), Augmented Reality (AR), Mixed Reality (MR), Internet of Things (IoT), and Artificial Intelligence (AI) to understand and respond to the spatial environment around users. How Spatial Computing Works Spatial computing operates through a three-stage process that transforms physical environments into interactive digital ...
Read MoreBasic Model of a Real-time System
A computer system that is specially designed to work and respond to external events in a timely and predictable fashion is referred to as a real-time system. These systems are critical in applications where timing constraints are essential for correct operation. What is a Real-Time System? A real-time system is a computer system capable of responding to external events within specified time constraints. Real-time systems are commonly used in industrial automation, robotics, automotive systems, medical instruments, scientific equipment, and aerospace applications. The distinguishing characteristic of real-time systems is their ability to guarantee response times. However, they require ...
Read MoreCentralized Clock Synchronization
Centralized clock synchronization is an internal clock synchronization approach where all clocks in a distributed system synchronize with one designated master clock. This ensures that all devices in the network operate on a common timeline, which is critical for coordinated operations in distributed systems and operating systems. In centralized clock synchronization, one clock is appointed as the master clock (time server), while all other clocks become slave clocks (clients). The slave clocks periodically request time updates from the master and adjust their local time accordingly. This approach is commonly implemented using protocols like Network Time Protocol (NTP). How ...
Read MoreFeedback Structure of a Real-time System
A feedback structure in real-time systems is a systematic approach for continuously monitoring, analyzing, and improving system performance to meet time-critical requirements. It involves collecting input from various sources, processing that data, generating outputs, and using feedback loops to optimize system behavior. This structure enables real-time systems to adapt dynamically, maintain reliability, and ensure they meet stringent timing constraints while delivering consistent performance. Components of Feedback Structure Real-time System Feedback Structure Input ...
Read MoreKernel in Operating System
A kernel is the core component of an operating system that acts as a bridge between the hardware and software. It manages system resources such as memory, CPU, and input/output devices, and provides a layer of abstraction between the hardware and higher-level software components. Kernel Architecture Hardware Layer Kernel Space User Space (Applications) Functions of a Kernel Device Management The kernel manages various peripheral devices connected to the computer and ...
Read MoreKernel I/O Subsystem in Operating System
The Kernel I/O Subsystem is a fundamental component of modern operating systems that manages all input/output (I/O) operations on a computer. It provides various services that enable efficient and secure management of I/O operations between applications, the kernel, and hardware devices. Kernel I/O Subsystem Architecture User Applications Kernel I/O Subsystem Scheduling Buffering Caching ...
Read MoreUniversal Plug and Play (UPnP)
Universal Plug and Play (UPnP) is a networking protocol that enables automatic device discovery and connectivity within local area networks. It uses standard protocols like TCP/IP, DHCP, and HTTP to establish connections and acquire IP addresses for wirelessly connected devices. UPnP simplifies device interactions by allowing automatic configuration without manual setup. Common examples include streaming video from laptops to smart TVs, connecting printers to multiple devices, and enabling home automation through IoT devices. UPnP Device Discovery and Connection Laptop 192.168.1.100 ...
Read MoreDifference between Hardware and Equipment
In this article, we will learn about differences between hardware and equipment. Any physical part of a computer system or any other electronic device that can be touched is called hardware. On the other hand, a machinery or tool or any other device that is used for performing a specific function is referred to as an equipment. Before discussing the differences between hardware and equipment, let us first discuss their basics individually. What is Hardware? The physical components of a computer system are called hardware. Therefore, CPU, CPU cabinet, motherboard, keyboard, power supply, mouse, monitor, etc. are examples of hardware. ...
Read MoreLamportís Algorithm for Mutual Exclusion in Distributed System
Multiple processes that are running on various machines or nodes and interacting with one another to accomplish a single objective makeup distributed systems. In these systems, it's crucial to make sure that only one process is able to utilize a shared resource at once to prevent conflicts and data inconsistencies. One way to make sure that only one function is using a shared resource at once is through the use of mutual exclusion and Lamport's Algorithm is one of many accessible mutual exclusion algorithms. Lamportís Algorithm A centralized mutual exclusion algorithm called Lamport's Algorithm employs timestamps to determine the sequence ...
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