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Microsoft Technologies Articles
Found 1,744 articles
Rate-monotonic scheduling
Rate Monotonic Scheduling (RMS) is a fixed-priority preemptive scheduling algorithm used in real-time operating systems. It assigns higher priorities to tasks with shorter periods, making it optimal for meeting deadlines when tasks have periods equal to their deadlines. How Rate Monotonic Scheduling Works The algorithm follows a simple rule: tasks with shorter periods receive higher priorities. These priorities remain fixed throughout execution, making RMS a static priority scheduling algorithm. When a higher-priority task becomes ready, it preempts any currently running lower-priority task. Rate Monotonic Priority Assignment Task A ...
Read MoreProtection ring
Protection rings are a security mechanism used by operating systems to control access to system resources and hardware. These rings create a hierarchical privilege structure, with each ring having different levels of access permissions. The central ring (Ring 0) at the kernel level has the highest privilege and can access all resources, while outer rings have progressively fewer permissions. This mechanism is hardware-enforced by the CPU architecture at different access modes. The x86 processor architecture implements four protection rings (Ring 0 to Ring 3), where Ring 0 has the highest privilege level and Ring 3 has the lowest. ...
Read MoreWhat are some great features of Windows 10?
Windows 10 is a Personal Computer Operating System developed and released by Microsoft on July 29, 2015. It introduced significant improvements and new features when compared to its predecessor Windows 8, addressing user feedback and modernizing the desktop experience. The Start Menu Windows 10 Start Menu Recent Apps Microsoft Word File Explorer Chrome All Apps Calculator Camera Settings ...
Read MoreAdvantages and Disadvantages of Windows Operating System
Windows Operating System is a type of operating system based on Graphical User Interface (GUI). It creates an interface between user and machine using graphical elements like icons, pictures, colors, and windows to make computing more intuitive and accessible. The Windows operating system was developed by Microsoft Corporation, an American multinational technology company founded by Bill Gates and Paul Allen. Windows is one of the most popular computer operating systems globally, with over 70% market share on desktop computers. The primary reason behind its popularity is its user-friendly interface, multitasking capabilities, and extensive hardware compatibility. ...
Read MoreViews of the Operating System
The operating system can be viewed from two distinct perspectives − the user view and the system view. These viewpoints provide different insights into how an operating system functions and serves its purpose. The user view focuses on the interface and experience provided to users, while the system view examines the internal resource management and hardware interaction aspects. Views of the Operating System Operating System Views User View System View Interface & ...
Read MoreVolatile data Collection from Window System
Volatile data is temporary information stored in a computer's memory that is lost when the system loses power or is switched off. It resides primarily in Random Access Memory (RAM) and cache memory, making it crucial for digital forensics investigations to collect this data quickly before it disappears. Random Access Memory (RAM) is volatile memory used to hold instructions and data of currently running programs. This memory loses integrity immediately after loss of power, making it a critical source of evidence that must be preserved during forensic investigations. Volatile vs Non-Volatile Memory ...
Read MoreWeb Operating System
A Web Operating System (Web OS) is an internet-based user interface that allows users to access applications and data through a web browser rather than installing software locally on their computer. Unlike traditional operating systems, a Web OS does not directly interact with hardware but provides a platform for cloud-based computing and distributed applications. Web Operating System Architecture Web Browser Cloud Servers Internet AJAX JavaScript ...
Read MoreConcept of Address Split in OS
Address splitting is a memory management technique used in operating systems to divide the virtual address space of processes into distinct logical segments. This approach enables efficient memory allocation, enhanced security through access control, and improved system performance by organizing memory into manageable units with specific purposes. Memory Segmentation Memory segmentation divides the process address space into logical segments such as code, data, stack, and heap segments. Each segment serves a specific purpose and can have different access permissions and sizes based on process requirements. Process Address Space Segmentation ...
Read MoreDisk Scheduling and Management
Disk scheduling and management are essential components of an operating system that handle the organization and access of data on storage devices. Disk scheduling algorithms determine the order in which the read/write head moves to access data, directly impacting system performance. Meanwhile, disk management involves tasks such as partitioning, formatting, and file system creation to ensure optimal disk utilization and data integrity. Types of Disk Scheduling Algorithms Disk Scheduling Algorithm Categories Algorithms Order-Based ...
Read MoreExpansion Buses in pcs
Expansion buses in PCs are interfaces that allow peripheral devices to connect to the motherboard and communicate with the CPU and other system components. These buses provide pathways for data transfer between devices and the processor, enabling users to enhance functionality and performance by adding or upgrading hardware components. How Expansion Buses Work An expansion bus consists of physical slots on the motherboard connected to the system's data pathways. When a peripheral device is installed in an expansion slot, it gains access to the CPU, memory, and other system resources through the bus architecture. ...
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