Slides. - Department of Computer Science and Information Systems
... 2. Processes and threads 3. Deadlock 4. Memory management 5. Input/output 6. File systems 7. Multimedia operating systems 8. Multiple processor systems 9. Security UNIX and Windows are to be used as running case studies. ...
... 2. Processes and threads 3. Deadlock 4. Memory management 5. Input/output 6. File systems 7. Multimedia operating systems 8. Multiple processor systems 9. Security UNIX and Windows are to be used as running case studies. ...
CMSC 312 Introduction to Operating System Syllabus
... a. An ability to apply knowledge of computing and mathematics appropriate to the program’s student outcomes and to the discipline. ...
... a. An ability to apply knowledge of computing and mathematics appropriate to the program’s student outcomes and to the discipline. ...
CS323 - Operating Systems
... Having successfully completed this course, the student will be able to: 1. Develop an appreciation of operating system operation, design and implementation. 2. Recognize and memorize the fundamentals and features of modern operating systems. 3. Distinguish between different types of operating sys ...
... Having successfully completed this course, the student will be able to: 1. Develop an appreciation of operating system operation, design and implementation. 2. Recognize and memorize the fundamentals and features of modern operating systems. 3. Distinguish between different types of operating sys ...
operating system (2a) - BackBenchersCafe.com
... from the file. 8. Explain the term Disk Scheduling. Briefly explain various disk scheduling algorithms. 9. Write short notes on any two of the following: (a) Process state (b) Encryption ...
... from the file. 8. Explain the term Disk Scheduling. Briefly explain various disk scheduling algorithms. 9. Write short notes on any two of the following: (a) Process state (b) Encryption ...
Operating- System Structures
... 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 media. At the software level, media must be checked for data consiste ...
... 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 media. At the software level, media must be checked for data consiste ...
Topic 18: Virtual Memory COS / ELE 375
... What if an object is on disk rather than in memory? 1. Page table indicates that the virtual address is not in memory 2. OS trap handler is invoked, moving data from disk into memory • Current process suspends, others can resume ...
... What if an object is on disk rather than in memory? 1. Page table indicates that the virtual address is not in memory 2. OS trap handler is invoked, moving data from disk into memory • Current process suspends, others can resume ...
Operating Systems
... Process states, Process Scheduling, Process hierarchy, Threads, Threading issues, Multithreading models, Non-pre-emptive and pre-emptive scheduling algorithms, Concurrent processes, Critical section, Semaphores, methods for inter-process communication, Deadlocks. [1] Page 101 to 113, Page 115 to 122 ...
... Process states, Process Scheduling, Process hierarchy, Threads, Threading issues, Multithreading models, Non-pre-emptive and pre-emptive scheduling algorithms, Concurrent processes, Critical section, Semaphores, methods for inter-process communication, Deadlocks. [1] Page 101 to 113, Page 115 to 122 ...
Computer Science 8530 Advanced Operating Systems Fall 2016
... code is executed is usually done with a special instruction associated with the particular system architecture being used. Identify at least one instruction that can accomplish this transition on the Intel x86 architecture and one the ARM architecture. 7. What’s the difference between apparent co ...
... code is executed is usually done with a special instruction associated with the particular system architecture being used. Identify at least one instruction that can accomplish this transition on the Intel x86 architecture and one the ARM architecture. 7. What’s the difference between apparent co ...
Operating Systems
... o is executing instructions from a portion of the Monitor residing in Main Memory that cause the next job to be read into Main Memory o encounters a branch instruction that leads the processor to start executing the new job o encounters either an end statement or an error condition causing the pro ...
... o is executing instructions from a portion of the Monitor residing in Main Memory that cause the next job to be read into Main Memory o encounters a branch instruction that leads the processor to start executing the new job o encounters either an end statement or an error condition causing the pro ...
Chapter 10 Powerpoint
... • Timesharing system A system that allows multiple users to interact with a computer at the same time • Multiprogramming A technique that allows multiple processes to be active at once, allowing programmers to interact with the computer system directly, while still sharing its resources ...
... • Timesharing system A system that allows multiple users to interact with a computer at the same time • Multiprogramming A technique that allows multiple processes to be active at once, allowing programmers to interact with the computer system directly, while still sharing its resources ...
Ch. 4 Operating System Fundamentals
... then begin loading the operating system. • If the system performs a standard DOS boot up, it should print the Date and Time prompts on the monitor screen, followed by the command line prompt (A:\). ...
... then begin loading the operating system. • If the system performs a standard DOS boot up, it should print the Date and Time prompts on the monitor screen, followed by the command line prompt (A:\). ...
Operating System Overview
... • The entity that can be assigned to and executed on a processor • A unit of activity characterized by a single sequential thread of execution, a current state, and an associated set of ...
... • The entity that can be assigned to and executed on a processor • A unit of activity characterized by a single sequential thread of execution, a current state, and an associated set of ...
EIE3311 - PolyU EIE
... two well-established (contemporary) microprocessor systems. 1.1 CPU architecture; memory space and I/O space; instruction fetch and execution; pipelining; essential assembly language instruction types; working principle of assembler; assembler directives/pseudocodes; examples of assembly language pr ...
... two well-established (contemporary) microprocessor systems. 1.1 CPU architecture; memory space and I/O space; instruction fetch and execution; pipelining; essential assembly language instruction types; working principle of assembler; assembler directives/pseudocodes; examples of assembly language pr ...
Operating Systems 2
... Consists of programs for performing activities that are fundamental to computer installation but not included in the OS. allow the user to perform maintenance-type tasks usually related to managing a computer, its devices or its programs ...
... Consists of programs for performing activities that are fundamental to computer installation but not included in the OS. allow the user to perform maintenance-type tasks usually related to managing a computer, its devices or its programs ...
Abstract View of System Components
... Improves “ease of computing” Increase customer base by 100x or more Increase “sharing” --- need for resource management and protection ...
... Improves “ease of computing” Increase customer base by 100x or more Increase “sharing” --- need for resource management and protection ...
Disco
... machines • Only moves pages that will have performance benefit • Contains a memmap data structure with an entry for each real machine memory page ...
... machines • Only moves pages that will have performance benefit • Contains a memmap data structure with an entry for each real machine memory page ...
in memory
... Memory is divided into equally sized sections called frames. The program is divided into equally sized sections called pages. The program does not have to be contiguous in memory. The whole program still needs to be in memory before being executed. Fragmentation internal fragmentation – the last f ...
... Memory is divided into equally sized sections called frames. The program is divided into equally sized sections called pages. The program does not have to be contiguous in memory. The whole program still needs to be in memory before being executed. Fragmentation internal fragmentation – the last f ...
Chapter 1 - Introduction to Operating Systems
... – When one job needs to wait (e.g. I/O operation), CPU will switch to another job to execute – When the first job finishes waiting, CPU will get back to the first job to execute – Efficiently utilize all computing resources ...
... – When one job needs to wait (e.g. I/O operation), CPU will switch to another job to execute – When the first job finishes waiting, CPU will get back to the first job to execute – Efficiently utilize all computing resources ...
BBA IInd SEMESTER EXAMINATION 2008-09
... For batch jobs A through E, arrive at a Computer System at almost the same time. They have estimated running times of 10, 6, 2, 4, and 8 minutes. Their (externally determined) priorities are 3, 5, 2, 1, and 4, respectively, with 5 being the highest priority. For each of the following scheduling algo ...
... For batch jobs A through E, arrive at a Computer System at almost the same time. They have estimated running times of 10, 6, 2, 4, and 8 minutes. Their (externally determined) priorities are 3, 5, 2, 1, and 4, respectively, with 5 being the highest priority. For each of the following scheduling algo ...
again, but this time for OSDI. OSDI and
... the locked code at a time. Having one big lock is inefficient, as it blocks parallel execution of key kernel code. Over time, system programmers refined locking by replacing one big lock with fine-grained locks— locks that protect much smaller code segments. Programmers have to work carefully, becau ...
... the locked code at a time. Having one big lock is inefficient, as it blocks parallel execution of key kernel code. Over time, system programmers refined locking by replacing one big lock with fine-grained locks— locks that protect much smaller code segments. Programmers have to work carefully, becau ...
Lecture Overview Operating System Components
... repository 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 responsible for – Keeping track of which parts of memory are currently being used and by whom – Deciding which processes to load when ...
... repository 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 responsible for – Keeping track of which parts of memory are currently being used and by whom – Deciding which processes to load when ...
No Slide Title
... perspective. • List five types of utility software and describe how each can be used to enhance the functionality of an operating system. • Define the term “multitasking” and list two ways it saves time for a user. • List three other significant operating systems, aside from DOS and Windows. ...
... perspective. • List five types of utility software and describe how each can be used to enhance the functionality of an operating system. • Define the term “multitasking” and list two ways it saves time for a user. • List three other significant operating systems, aside from DOS and Windows. ...
oslecture2
... Device controller transfers blocks of data from buffer storage directly to main memory without CPU ...
... Device controller transfers blocks of data from buffer storage directly to main memory without CPU ...