Surjyanee The Physical Layer in the OSI Model, which is a physical and electrical representation of the system, is the lowest layer. It has various network components such as power plugs, connectors, receivers, and different cable kinds. This layer transports data bits from one device (such as a computer) to another (s). The types of encoding … Read more
Here, we are going to know about computer network models. Before that I would like to suggest you to go through the previous post. There are mainly two types of models, e.g. OSI model and TCP/IP model. OSI Network Models : The International Organization for Standardization (ISO) developed the OSI model in 1984. We now … Read more
In this tutorial, we will know the basics of computer networking. Computer Networking: Multiple devices, also known as hosts, that are connected via multiple channels for the purpose of sending and receiving data or media. Computer networks can also comprise a variety of devices or mediums that help two or more machines communicate; these are … Read more
Here, we are going to learn about semaphores in operating systems. Before this, I would request to go through process synchronization first. Dijkstra proposed the semaphore in 1965. It is a highly important technique for managing concurrent activities using a basic integer value called a semaphore. The term “semaphore” refers to an integer variable that … Read more
In this tutorial, we are going to learn about process synchronization in operating systems. Process synchronization is a strategy for coordinating processes that make use of common data. In an operating system, there are two types of processes. Independent Process – A process that does not impact or get affected by another process while it is … Read more
In this tutorial, we are going to learn about disk scheduling algorithms of any operating systems. Operating system do disk scheduling to schedule I/O requests arriving for the disk. So, disk scheduling is basically I/O scheduling. Some of the Important Terms : Seek Time : The time it takes the disc arm to locate a specific … Read more
In this tutorial, we will know how operating system handles file systems. A file is a grouping of linked data, we save it on secondary storage. A collection of logically connected elements is referred to as a file. A file is the smallest allocation of logical secondary storage from the user’s perspective. What is a … Read more
In the previous tutorial, we have learned about paging and Segmentation. Now we are going to learn about page replacements in operating system and what are the different strategies we can apply. When a page fault occurs, the memory manager locates the page in secondary storage. Then it will load it into main memory and … Read more
In this tutorial, we are going to learn about virtual memory, paged virtual memory system, segmented virtual memory system. Further we will see how combined segmentation and paging system works. Before reading this, I will suggest all to go through this first. Now, without delay let’s dive into the topic. What is Virtual Memory : … Read more
In this tutorial, we will learn about memory management in Operating System, Memory Hierarchy, Memory management Strategies etc. Further we will see the partition allocation. Registers make memory, each register is equal to one storage location (memory location). The capacity of the memory is the total number of bits that memory can store. We can … Read more
In this tutorial, we will learn about deadlock in Operating System , necessary conditions for deadlock to occur. Further, we will see how to detect and avoid deadlocks. What is Deadlock in Operating System : Deadlock is a situation where a process or a thread waits for an event/task that won’t occur. When one or … Read more
In this tutorial, we will know what the goals of CPU scheduling are and also what the scheduling criteria should be. In addition, we will understand the working of some of these scheduling algorithms . What is CPU Scheduling : CPU scheduling or processor scheduling is the technique of deciding which process run at given time. … Read more
In this tutorial, we will introduce the notion of a process and thread. We will know the concept of process/ thread states and discuss how or why processes/threads make transitions between these states. PROCESS : A process is a program in execution. Each process has its own address space, it consists of a text region, … Read more
What Is an Operating System? Operating System(OS) is a software program required to manage and operate a computing device. Or we can say an OS is a software that enables applications to interact with a computer’s hardware. In most computer systems, a user requests that the computer perform an act and the OS manages the … Read more
A digital clock is a timeless piece of functionality that we encounter every day. Why not create your own digital clock using Python? In this tutorial, we’ll guide you through the process of building a simple digital clock that displays the current time. Let’s get starte! Prerequisites Before we dive into the code, ensure you … Read more
Hi there, today we will be talking about something interesting as well as simple. In this tutorial we will understand what the python turtle module is and will learn about turtle programming in python in detail. So, let’s get started. Requirements Basic knowledge of python(go through Learn Python Tutorial) . We can use any ide … Read more
Recording audio is a common requirement in various applications, from voice memos to podcasts. Did you know that you can create your own voice recorder using Python? In this blog, we’ll walk you through the process of building a voice recorder using Python, so you can capture and save audio effortlessly. Prerequisites Before we start, … Read more
In our highly connected world, information is at our fingertips. If you’re curious about exploring phone number details programmatically, Python can be a powerful tool to help you achieve that. In this blog, we’ll dive into how you can retrieve phone number information using Python and various APIs. Why Retrieve Phone Number Information? Retrieving phone … Read more
In the fast-paced digital world, staying updated is essential. Python offers a simple yet effective way to keep users informed through desktop notifications. In this blog, we’ll explore how to create desktop notifications using Python and provide you with real-world examples. Why Desktop Notifications? Desktop notifications are pop-up messages that appear on your computer screen, … Read more
In the modern era, Wi-Fi connectivity is an essential part of our daily lives, allowing us to stay connected and productive. But have you ever wondered if you could control your Wi-Fi connections programmatically? With the power of Python, you can! In this blog, we’ll explore how to connect to, disable, enable, and even retrieve … Read more