Concept

Protection ring

Related lectures (16)

Process Protection and Efficient Execution

Explores process execution, protection, and efficient OS mechanisms for secure and reliable multi-program environments.

Explores interrupts, exception handling, and system calls in operating systems, focusing on CPU behavior and interrupt handling mechanisms.

Interrupts

Explores interrupts as a mechanism for abstraction and multiplexing in operating systems, covering handling, processing, and initialization.

The Role of Operating Systems: Foundations and Functions

Covers the essential role of operating systems in managing hardware and enabling applications across various devices.

Virtualization: Principles and Applications

Explores virtualization principles, implementation, and high availability in cloud computing.

Limited Direct Execution: Operating System Control Techniques

Covers limited direct execution, a technique that enables efficient program execution while ensuring operating system control and security.

Traps and Interrupts: Mechanisms for Operating System Control

Explains traps, interrupts, and exceptions, detailing their roles in operating system control and process management.

Scheduling

Introduces the fundamental concepts of scheduling in operating systems, covering limited direct execution, protection rings, context switching, and various scheduling policies.

Shell and OS organization

Covers system calls, kernel space, process management, file descriptors, pipes, and hardware isolation in OS organization.

Virtual Machine Monitor: Construction and Functionality

Explains the construction and functionality of a Virtual Machine Monitor, focusing on virtualization techniques and memory management.

Security and Privacy Challenges in IoT Era

Discusses security challenges in IoT, covering bug injection, code hardening, and testing techniques.

Digital Proximity Tracing: SwissCovid Protocol

Covers the SwissCovid protocol for digital proximity tracing and access control mechanisms like DAC and MAC.

Architecture Essentials: Understanding Computer Systems

Provides an overview of computer architecture, focusing on the von Neumann architecture and its components, including the CPU and memory management units.

Exceptions: Control Flow and Handling

Explores exceptions, interrupts, faults, and their handling in computer systems, emphasizing the complexities of writing exception handlers.

Fragmentation and Segmentation: Memory Management Techniques

Covers fragmentation and segmentation, focusing on memory management techniques and their implications for system performance.

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