Southeastern University
... Interrupts are provided as a way to improve processing efficiency. Handlers are responsible for managing the Interrupts. A program that determines nature of the interrupt and performs whatever actions are needed Control is transferred to this program Generally part of the operating system ...
... Interrupts are provided as a way to improve processing efficiency. Handlers are responsible for managing the Interrupts. A program that determines nature of the interrupt and performs whatever actions are needed Control is transferred to this program Generally part of the operating system ...
Module 3: Operating-System Structures
... Main-Memory Management • Memory is a large array of words or bytes, each with its own address. It is a repository of quickly accessible data shared by the CPU and I/O devices. • Main memory is a volatile storage device. It loses its contents in the case of system failure. • The operating system is ...
... Main-Memory Management • Memory is a large array of words or bytes, each with its own address. It is a repository of quickly accessible data shared by the CPU and I/O devices. • Main memory is a volatile storage device. It loses its contents in the case of system failure. • The operating system is ...
Tutorail-two-with
... e. Error detection. Error detection occurs at both the hardware and software levels. At the hardware level, all data transfers must be inspected to ensure that data have not been corrupted in transit. All data on media must be checked to be sure they have not changed since they were written to the m ...
... e. Error detection. Error detection occurs at both the hardware and software levels. At the hardware level, all data transfers must be inspected to ensure that data have not been corrupted in transit. All data on media must be checked to be sure they have not changed since they were written to the m ...
Introduction to Object Technology
... Automatic allocation and management Support for modular programming Protection and access control Long-term storage ...
... Automatic allocation and management Support for modular programming Protection and access control Long-term storage ...
Operating- System Structures
... is kept only where it is needed and is accessible only within a defined and restricted area, so any bugs affecting that data must be limited to a specific module or layer. ...
... is kept only where it is needed and is accessible only within a defined and restricted area, so any bugs affecting that data must be limited to a specific module or layer. ...
CS_350_OS_PL_Presentation(1) Group 5
... • Memory may be retained because it is reachable, but won't be used again; • Automatic memory managers (currently) have limited availability ...
... • Memory may be retained because it is reachable, but won't be used again; • Automatic memory managers (currently) have limited availability ...
Memory Protection
... • Need to remap segments when they get too big for currently mapped location. ...
... • Need to remap segments when they get too big for currently mapped location. ...
08 Operating System Support
... It is better use of memory to load in just a few pages If the program references data or branches to an instruction on a page not in main memory, a page fault is triggered which tells the OS to bring in the desired page ...
... It is better use of memory to load in just a few pages If the program references data or branches to an instruction on a page not in main memory, a page fault is triggered which tells the OS to bring in the desired page ...
CH08-COA9e
... It is better use of memory to load in just a few pages If the program references data or branches to an instruction on a page not in main memory, a page fault is triggered which tells the OS to bring in the desired page ...
... It is better use of memory to load in just a few pages If the program references data or branches to an instruction on a page not in main memory, a page fault is triggered which tells the OS to bring in the desired page ...
Q: Secondary storage – extension of main memory that provides
... Backup files onto stable (non-volatile) storage media ...
... Backup files onto stable (non-volatile) storage media ...
Computer Organization
... Registers are the smallest and fastest unit of memory in a computer system, and are used to store information that the CPU is working on at that exact moment. Registers you need to know about: Program Counter: Stores the address of the next instruction Memory Address Register: Stores the add ...
... Registers are the smallest and fastest unit of memory in a computer system, and are used to store information that the CPU is working on at that exact moment. Registers you need to know about: Program Counter: Stores the address of the next instruction Memory Address Register: Stores the add ...
Operating Systems
... • A timesharing system allows multiple users to interact with a computer at the same time • Multiprogramming allowed multiple processes to be active at once, which gave rise to the ability for programmers to interact with the computer system directly, while still sharing its resources • In a timesha ...
... • A timesharing system allows multiple users to interact with a computer at the same time • Multiprogramming allowed multiple processes to be active at once, which gave rise to the ability for programmers to interact with the computer system directly, while still sharing its resources • In a timesha ...
Course Title Operating Systems Course Code CUIT 109 Credits
... Individual Study hrs: 59 Assessment: 13 Notional Hours: 120 Credits 12 The course’s focus is on how an Operating System manages system resources e.g. memory, CPU files etc, while avoiding possible deadlocks and / or starvation. By the end of the course students should be able to : Describe the nec ...
... Individual Study hrs: 59 Assessment: 13 Notional Hours: 120 Credits 12 The course’s focus is on how an Operating System manages system resources e.g. memory, CPU files etc, while avoiding possible deadlocks and / or starvation. By the end of the course students should be able to : Describe the nec ...
round robin
... Using Round Robin algorithm having time quantum =4, calculate (a) Average waiting time (b) Turnaround time : end time for every process. (c) Throughput: the number of job completions in a period of time. (jobs / time ) ...
... Using Round Robin algorithm having time quantum =4, calculate (a) Average waiting time (b) Turnaround time : end time for every process. (c) Throughput: the number of job completions in a period of time. (jobs / time ) ...
History of Operating Systems
... Stack Pointer (SP) Pipelining improves performance, but complexities of “rolling back” appear Kernel vs. User Mode (enables establishing limitations of instruction set available) ...
... Stack Pointer (SP) Pipelining improves performance, but complexities of “rolling back” appear Kernel vs. User Mode (enables establishing limitations of instruction set available) ...
Operating Systems - IET-DAVV
... Process Co-operation, Concepts of Interprocess communication, Process Synchronization, Synchronization Issues, Critical Section problem, Mutual exclusion Primitives and Algorithms, Process Synchronization with semaphores. Concepts of Deadlock, Conditions for Deadlocks, Resource Concepts & Abstractio ...
... Process Co-operation, Concepts of Interprocess communication, Process Synchronization, Synchronization Issues, Critical Section problem, Mutual exclusion Primitives and Algorithms, Process Synchronization with semaphores. Concepts of Deadlock, Conditions for Deadlocks, Resource Concepts & Abstractio ...
Operating System
... Able to define and explain the major concepts which builds up an operating system ...
... Able to define and explain the major concepts which builds up an operating system ...
CS_Course_Syllabus_Template
... Install, and apply basic concepts using the Linux operating system. Clarify the various features of processes, including scheduling, creation, termination, and communication. Study and analyze various CPU Scheduling algorithms. Improve student's skills in thinking based on discussions and problem so ...
... Install, and apply basic concepts using the Linux operating system. Clarify the various features of processes, including scheduling, creation, termination, and communication. Study and analyze various CPU Scheduling algorithms. Improve student's skills in thinking based on discussions and problem so ...
Module 3: Operating
... • For example, when a user wants to read data from a file, the appropriate system call must be made giving it the information necessary to complete the read. This means that parameter have to be passed. ...
... • For example, when a user wants to read data from a file, the appropriate system call must be made giving it the information necessary to complete the read. This means that parameter have to be passed. ...
Things to Know while installing Linux OS
... • An operating system like Windows / Linux can be installed on a single, unpartitioned hard disk. However, the ability to divide a hard disk into multiple partitions offers some important advantages. If you are running Linux on ...
... • An operating system like Windows / Linux can be installed on a single, unpartitioned hard disk. However, the ability to divide a hard disk into multiple partitions offers some important advantages. If you are running Linux on ...