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Introduction A feedback structure of real time system is a systematic approach to collecting, analyzing, and using feedback in order to improve a system or process. It typically involves receiving input from users or other sources, processing that input, producing an output, and then collecting feedback on the output. The feedback is then analyzed in order to identify areas for improvement, and changes are made based on that analysis. A feedback structure is an important tool for improving the quality and effectiveness of a system, as it allows for continuous improvement based on the feedback of users and other stakeholders. ... Read More
BlackBerry 10 OS is a mobile operating system. It was designed to compete with other modern mobile operating systems such as Android, iOS, and Windows Phone. BlackBerry 10 OS offers a range of features for business users, including support for BlackBerry Balance, which allows users to separate and secure their work and personal data on the same device. It also includes a virtual keyboard that adapts to the user's typing style, a predictive text engine, and a voice control system. BlackBerry 10 OS features a variety of multimedia and productivity apps, such as BlackBerry World, BlackBerry Remember, and BlackBerry Protect, ... Read More
Introduction Disk scheduling algorithms are critical in computer operating systems for managing and optimizing the use of a computer's hard drive. Disk access time can significantly impact the performance of the entire system, and a poorly implemented disk scheduling algorithm can result in long wait times and reduced overall efficiency. First-Come-First-Serve (FCFS) and Shortest Seek Time First (SSTF) are two common disk scheduling algorithms used in modern operating systems. FCFS processes requests in the order they are received, while SSTF prioritizes processing requests with the shortest seek time. Understanding the differences, advantages, and disadvantages of these algorithms can help system ... Read More
In case of multiprogramming, CPU needs to be scheduled, so that multiple works can be performed simultaneously in less time or at a same time. By CPU scheduling it is decided which of the processes in the ready queue is to be allocated in the CPU. Thus, there are so many CPU-scheduling algorithms in order to schedule CPU. FCFS scheduling is one of the CPU-scheduling algorithms. FCFS (FIRST-COME, FIRST-SERVED) Scheduling FCFS is considered as simplest CPU-scheduling algorithm. In FCFS algorithm, the process that requests the CPU first is allocated in the CPU first. The implementation of FCFS algorithm is managed ... Read More
Every year on 7th May the worldwide organizations remind there users about the significance of a strong password. As per the tech giant Google; 24% of their end users have used the word "password" or "Qwerty" as their account password. While, only 34% from their total users change their account passwords in a frequent manner. In this tech-forward world today, every login attempt has a chance of a cyber criminal attack. But many people now a days still using the weak passwords for their professional and personal accounts. Here we will discuss and check, whether the created passwords ... Read More
Introduction In computer operating systems, disk scheduling algorithms are used to manage the order in which input/output (I/O) requests are processed by the disk controller. One such algorithm is FCFS (First-Come, First-Served), which is a simple and straightforward scheduling algorithm that processes I/O requests in the order in which they arrive in the queue. In FCFS, when a process generates an I/O request, it is added to the end of the queue of pending requests. The disk controller then services the requests in the order they were added to the queue, with the oldest request being processed first. Once ... Read More
Introduction Fair-share CPU scheduling is a scheduling algorithm used in operating systems that aims to allocate CPU resources fairly among different user or process groups. The fair-share scheduler assigns a weight to each process or group based on its historical usage and allocates CPU resources based on these weights, ensuring that no group is starved of resources for an extended period of time. This allows for better resource utilization and provides equal opportunities for all groups to access the CPU. Fair-share scheduling is commonly used in multi-user systems and virtualized environments where multiple users or virtual machines share a single ... Read More
Android Operating System is an open-source software platform that powers a variety of mobile devices, including smartphones, tablets, smartwatches, and smart TVs. Developed by Google, Android OS was first released in 2008 and has since become the most widely used mobile operating system globally. Android OS is known for its vast array of features, including Google integration, multitasking capabilities, and a wide range of apps available through the Google Play Store. It is constantly evolving, with new versions released regularly, and has become a crucial part of the mobile technology landscape. Key Areas Covered History of Android ... Read More
What is Sci-Hub? Sci-Hub is a project whose aim is to provide unrestricted and free access to scientific knowledge that have been published in the form of book or journal. Currently the knowledge of science is available at high price and is not available to students and researchers who do not have enough funds to purchase. Sci-Hub was started in 2011 and has worked to resolve this problem. Sci-Hub has helped millions of students and researchers to get scientific knowledge. Cost of Sci-Hub Sci-Hub uses pirated content and it has also faced lawsuit. The content available on the website is ... Read More
What is Node.js? Ryan Dahl developed Node.js in 2009 and its current version is v0.10.36. Node.js is a server-side platform which is developed on the JavaScript Engine of Google Chrome. This is a cross-platform runtime environment which can be used to develop server-side and networking applications. JavaScript is used to create Node.js applications which can be executed on Node.js environment installed on various platforms like OSX, Linux, and Windows. Cost of Node.js Node.js is an open-source library and can be used for free. There are many hosting platforms that utilize Node.js. Some of them provide paid services. Why Node.js Alternatives? ... Read More