Chapter 1: Introduction
... Each user has at least one program executing in memory process If several jobs ready to run at the same time CPU scheduling If processes donʼt fit in memory, swapping moves them in and out to ...
... Each user has at least one program executing in memory process If several jobs ready to run at the same time CPU scheduling If processes donʼt fit in memory, swapping moves them in and out to ...
DEC 2004 SECTION –A (Marks : 2 Each) Q.1 (a) What is spooling
... Pass : In pass we can divide your program into different part in such a way that one part perform one task. So if we want only the task of part 1 then execute only part -1. All parts need not be executed. Token : The source program is scanned sequentially, the basic elements of that program are call ...
... Pass : In pass we can divide your program into different part in such a way that one part perform one task. So if we want only the task of part 1 then execute only part -1. All parts need not be executed. Token : The source program is scanned sequentially, the basic elements of that program are call ...
Chapter 5
... Manages the CPU Manages memory and storage Manages hardware and peripheral devices • Coordinates application software with the CPU ...
... Manages the CPU Manages memory and storage Manages hardware and peripheral devices • Coordinates application software with the CPU ...
PPT - Bilkent University Computer Engineering Department
... Driver polls the controller until data is available or operation is complete Waste of CPU with useless polling (busy waiting) Driver starts I/O by giving commands to the controller Process is blocked CPU is given to an other process Controller does the job independent of CPU and when finished, gives ...
... Driver polls the controller until data is available or operation is complete Waste of CPU with useless polling (busy waiting) Driver starts I/O by giving commands to the controller Process is blocked CPU is given to an other process Controller does the job independent of CPU and when finished, gives ...
What is an Operating System?
... permanently, the computer system must provide secondary storage to back up main memory. ? Most modern computer systems use disks as the principle on-line storage medium, for both programs and data. ? The operating system is responsible for the following activities in connection with disk management: ...
... permanently, the computer system must provide secondary storage to back up main memory. ? Most modern computer systems use disks as the principle on-line storage medium, for both programs and data. ? The operating system is responsible for the following activities in connection with disk management: ...
Chapter 6 Operating Systems
... The operating system is the most important program that runs on a computer. Operating system is an interface between computer and user. It is responsible for the management and coordination of activities and the sharing of the resources of the computer. ...
... The operating system is the most important program that runs on a computer. Operating system is an interface between computer and user. It is responsible for the management and coordination of activities and the sharing of the resources of the computer. ...
Solution Operating System Concepts By Galvin,Silberschatz Solved
... is 10x faster through a section of code one time, may be 10x slower the next time. If processes do actually differ in their speed, does this pose any other problems on the system? Hint: Think of fairness. It depends. Fairness in the eyes of the operating system is in terms of the resources which it ...
... is 10x faster through a section of code one time, may be 10x slower the next time. If processes do actually differ in their speed, does this pose any other problems on the system? Hint: Think of fairness. It depends. Fairness in the eyes of the operating system is in terms of the resources which it ...
Figure 15.1 A distributed multimedia system
... level: By providing abstractions of the basic resources such as: processes, unlimited virtual memory, files, communication channels Protection of the resources used by applications Concurrent processing to enable applications to complete their work with minimum interference from other applicat ...
... level: By providing abstractions of the basic resources such as: processes, unlimited virtual memory, files, communication channels Protection of the resources used by applications Concurrent processing to enable applications to complete their work with minimum interference from other applicat ...
Chapter 6-OS - WordPress.com
... level: By providing abstractions of the basic resources such as: processes, unlimited virtual memory, files, communication channels Protection of the resources used by applications Concurrent processing to enable applications to complete their work with minimum interference from other applicat ...
... level: By providing abstractions of the basic resources such as: processes, unlimited virtual memory, files, communication channels Protection of the resources used by applications Concurrent processing to enable applications to complete their work with minimum interference from other applicat ...
Chapter 1
... Checks RAM, keyboard and other basic devices Determine the boot device: floppy, CD-ROM, disk First sector of the boot-device is read into memory The sector contains program to check which partition is active Then a secondary boot-loader is read into memory and reads in operating system from the ...
... Checks RAM, keyboard and other basic devices Determine the boot device: floppy, CD-ROM, disk First sector of the boot-device is read into memory The sector contains program to check which partition is active Then a secondary boot-loader is read into memory and reads in operating system from the ...
, Frameworks and Refinement* Choices H.
... by frameworks. However, the framework approach also allows the constraints within a particular layer to be expressed. Finally, a framework can be defined in terms of abstract classes that are bound to specific concrete classes at run-time using inheritance and inclusion polymorphism. This provides t ...
... by frameworks. However, the framework approach also allows the constraints within a particular layer to be expressed. Finally, a framework can be defined in terms of abstract classes that are bound to specific concrete classes at run-time using inheritance and inclusion polymorphism. This provides t ...
What is an Operating System?
... One or more CPUs, device controllers connect through common bus providing access to shared memory ...
... One or more CPUs, device controllers connect through common bus providing access to shared memory ...
Operating System Structures - McMaster Computing and Software
... Provide an interface to OS services Are routines mostly written in a high-level language (C or C++). ...
... Provide an interface to OS services Are routines mostly written in a high-level language (C or C++). ...
Unit 2
... – Implementation: pipe or memory mapping – Security • Link reliability • Partner authentication ...
... – Implementation: pipe or memory mapping – Security • Link reliability • Partner authentication ...
Chapter 2 - Processes
... (a) A CPU-bound process. (b) An I/O-bound process. For good resource utilization, want to overlap I/O of on process with CPU burst of another process ...
... (a) A CPU-bound process. (b) An I/O-bound process. For good resource utilization, want to overlap I/O of on process with CPU burst of another process ...
SG9OS
... and batch systems to present day - include basic operations of each category and important developments; discuss the important design factors and considerations involved with operating system design; define the terms process and thread; discuss the four main services provided by the operating system ...
... and batch systems to present day - include basic operations of each category and important developments; discuss the important design factors and considerations involved with operating system design; define the terms process and thread; discuss the four main services provided by the operating system ...
PPT - LSU CCT - Louisiana State University
... – One job selected and run via job scheduling – When it has to wait (for I/O for example), OS switches to another job Timesharing (multitasking) is logical extension in which CPU switches jobs so frequently that users can interact with each job while it is running, creating interactive computing – R ...
... – One job selected and run via job scheduling – When it has to wait (for I/O for example), OS switches to another job Timesharing (multitasking) is logical extension in which CPU switches jobs so frequently that users can interact with each job while it is running, creating interactive computing – R ...
1. Pradeep K Sinha - Distributed Operating System: Concepts and
... Outcomes Students who have successfully completed this course will have full understanding of the following concepts Course outcome The Concepts of operating system The Concepts of distributed system Synchronization memory Case Study: Amoeba Program outcome The concepts of Distributed System can be ...
... Outcomes Students who have successfully completed this course will have full understanding of the following concepts Course outcome The Concepts of operating system The Concepts of distributed system Synchronization memory Case Study: Amoeba Program outcome The concepts of Distributed System can be ...
Presentation - Virtual Office
... • In addition to folders off the root, each user account in Mac OS X contains folders such as: – Music for music files – Movies for movies that can be played on the computer – Pictures to sort picture files – Public for files to share with others over the network – Applications for applications used ...
... • In addition to folders off the root, each user account in Mac OS X contains folders such as: – Music for music files – Movies for movies that can be played on the computer – Pictures to sort picture files – Public for files to share with others over the network – Applications for applications used ...
volonino_ppt_06
... Transport layer similar to that in OSI model Internet layer corresponds to layer of same name in OSI model in form and function Network interface layer combines data link layer and physical layer of OSI model ...
... Transport layer similar to that in OSI model Internet layer corresponds to layer of same name in OSI model in form and function Network interface layer combines data link layer and physical layer of OSI model ...
processes - bca study material
... scheduling algorithm • The time it takes for the dispatcher to stop one process and start another running is called dispatch latency • The CPU executes instructions in the dispatcher while switching from process A to process B ...
... scheduling algorithm • The time it takes for the dispatcher to stop one process and start another running is called dispatch latency • The CPU executes instructions in the dispatcher while switching from process A to process B ...
Operating System support for Multimedia
... absolutely necessary, i.e it is soft real time in nature. ...
... absolutely necessary, i.e it is soft real time in nature. ...
TotalView Change Log, 8.0
... Scalability, performance, and reduced startup times have also been implemented for memory debugging. At very large scales, focusing on a single process is likely to result in the greatest improvements. ...
... Scalability, performance, and reduced startup times have also been implemented for memory debugging. At very large scales, focusing on a single process is likely to result in the greatest improvements. ...
Chapter 3 Process Description and Control
... The concept of process is fundamental to the structure of modern computer operating systems. Its evolution in analyzing problems of synchronization, deadlock, and scheduling in operating systems has been a major intellectual contribution of computer science. ...
... The concept of process is fundamental to the structure of modern computer operating systems. Its evolution in analyzing problems of synchronization, deadlock, and scheduling in operating systems has been a major intellectual contribution of computer science. ...
Business Computer Information Systems
... can have several different programs open at once. It is the job of the OS to allocate RAM to the open applications so they function properly. When you use the mouse or keyboard to communicate with the computer or the application you are using, the OS interprets these actions so that you get the resu ...
... can have several different programs open at once. It is the job of the OS to allocate RAM to the open applications so they function properly. When you use the mouse or keyboard to communicate with the computer or the application you are using, the OS interprets these actions so that you get the resu ...