introduction to operating system
... time-shared computer. Each user executes his own process. The CPU is multiplexed among several jobs that are kept in memory and on disk (the CPU is allocated to a job only if the job is in memory). The CPU is switched among multiple jobs so frequently that the users may interact with each program ...
... time-shared computer. Each user executes his own process. The CPU is multiplexed among several jobs that are kept in memory and on disk (the CPU is allocated to a job only if the job is in memory). The CPU is switched among multiple jobs so frequently that the users may interact with each program ...
CCN3133 Computer System Principles
... Segmentation; Dynamic Link Library (DLL); System programming for memory management. Processor Scheduling Types of processor scheduling; Scheduling algorithms; Multiprocessor scheduling; Case Study. ...
... Segmentation; Dynamic Link Library (DLL); System programming for memory management. Processor Scheduling Types of processor scheduling; Scheduling algorithms; Multiprocessor scheduling; Case Study. ...
Chapter 2 Operating System Overview
... to communicate via RPCs • Provides base for distributed computing ...
... to communicate via RPCs • Provides base for distributed computing ...
oslecture2
... Assembly language instructions (macros and subroutines) Some higher level languages allow system calls to be made directly (e.g. C) ...
... Assembly language instructions (macros and subroutines) Some higher level languages allow system calls to be made directly (e.g. C) ...
Introduction
... • Interrupts are used to signal an event. • Interrupt transfers control to the interrupt service routine generally, through the interrupt vector, which contains the addresses of all the service routines. • Interrupt architecture must save the address of the ...
... • Interrupts are used to signal an event. • Interrupt transfers control to the interrupt service routine generally, through the interrupt vector, which contains the addresses of all the service routines. • Interrupt architecture must save the address of the ...
tbc 302 operating systems
... A student who successfully fulfills the course requirements will be able to: a) High level understand what is an operating system and the role it plays b) A high level understanding of the structure of operating systems, applications, and the relationship between them c) Some knowledge of the servic ...
... A student who successfully fulfills the course requirements will be able to: a) High level understand what is an operating system and the role it plays b) A high level understanding of the structure of operating systems, applications, and the relationship between them c) Some knowledge of the servic ...
Slide 1
... Reference: Operating Systems Design and Implementation (2nd edition) by Andrew S. Tanenbaum and Albert S. Woodhull ...
... Reference: Operating Systems Design and Implementation (2nd edition) by Andrew S. Tanenbaum and Albert S. Woodhull ...
Why Study OS?
... Use command line to run multiple applications % ls –al | grep ‘^d’ % foo & % bar & ...
... Use command line to run multiple applications % ls –al | grep ‘^d’ % foo & % bar & ...
overhead - the denning institute
... processing time. Examples are arithmetic contingencies, data transmission failures, addressing snags, and illegal actions. Protection and Security. Monitors, firewalls, authenticators, backup systems, virus detectors, and other means of securing systems against unauthorized use, denial of service, a ...
... processing time. Examples are arithmetic contingencies, data transmission failures, addressing snags, and illegal actions. Protection and Security. Monitors, firewalls, authenticators, backup systems, virus detectors, and other means of securing systems against unauthorized use, denial of service, a ...
Operating System Overview
... – Schedule time – Setup included loading the compiler, source program, saving compiled program, and loading and linking ...
... – Schedule time – Setup included loading the compiler, source program, saving compiled program, and loading and linking ...
PPT - CSE Home
... • errors can also be printed (by default, sent to console like output) • parameters vs. input parameters: before Enter is pressed; sent in by shell input: after Enter is pressed; sent in by user ...
... • errors can also be printed (by default, sent to console like output) • parameters vs. input parameters: before Enter is pressed; sent in by shell input: after Enter is pressed; sent in by user ...
Operating Systems and System Software
... There were often huge delays while data was read in from magnetic tapes. The ideal situation was to keep the CPU busy at all times. The technique that was developed was called multiprogramming. Multiprogramming is a variety of techniques that allow the computer to share its hardware resources betwee ...
... There were often huge delays while data was read in from magnetic tapes. The ideal situation was to keep the CPU busy at all times. The technique that was developed was called multiprogramming. Multiprogramming is a variety of techniques that allow the computer to share its hardware resources betwee ...
CPS120: Introduction to Computer Science
... 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 timesharing system, each user has his or her own virtua ...
... 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 timesharing system, each user has his or her own virtua ...
System software - Information Technology
... • Protection is achieved by having the operating system to have full control over the resources of the system (processor, memory and I/O devices) • Virtual memory is one of the techniques used to achieve protection between programs – Each program operates as if it were the only program on the comput ...
... • Protection is achieved by having the operating system to have full control over the resources of the system (processor, memory and I/O devices) • Virtual memory is one of the techniques used to achieve protection between programs – Each program operates as if it were the only program on the comput ...
Chapter 1 - OS Overview
... –These are trade-offs: each of these options also increases CPU overhead and uses additional memory space ...
... –These are trade-offs: each of these options also increases CPU overhead and uses additional memory space ...
Operating System
... This course introduces the fundamentals of operating systems. Topics include interprocess communication, process scheduling, deadlock, memory management, virtual memory, and file system. Formal principles are illustrated with examples and case studies of one or more contemporary operating system. ...
... This course introduces the fundamentals of operating systems. Topics include interprocess communication, process scheduling, deadlock, memory management, virtual memory, and file system. Formal principles are illustrated with examples and case studies of one or more contemporary operating system. ...
Operating Systems
... SystemArchitecture, OS Structure, OS Operations, Evolution of Operating Systems - Simple Batch, Multi programmed, time shared, Personal Computer, Parallel, Distributed Systems, Real-Time Systems, Special - Purpose Systems, Operating System services, user OS Interface, System Calls, Types of System C ...
... SystemArchitecture, OS Structure, OS Operations, Evolution of Operating Systems - Simple Batch, Multi programmed, time shared, Personal Computer, Parallel, Distributed Systems, Real-Time Systems, Special - Purpose Systems, Operating System services, user OS Interface, System Calls, Types of System C ...
OS-F2
... Management, File Systems, Memory Management, Networking, Distributed File Systems. UNIX and Windows NT are general purpose operating systems used as examples when studying these concepts. Learning Outcomes LO1 Introduction, Multithreaded Programming LO2 Basic Concepts, Operating systems Design, Proc ...
... Management, File Systems, Memory Management, Networking, Distributed File Systems. UNIX and Windows NT are general purpose operating systems used as examples when studying these concepts. Learning Outcomes LO1 Introduction, Multithreaded Programming LO2 Basic Concepts, Operating systems Design, Proc ...
System Software and Application Software Operating System
... System Software and Application Software ...
... System Software and Application Software ...
Course Title: Operating System
... explain the objectives and functions of modern operating systems. describe the logical structure of, and facilities provided by, a modern operating system. analyze the tradeoffs inherent in operating system design. differentiate between the concepts of processes, threads and multithreading. demonstr ...
... explain the objectives and functions of modern operating systems. describe the logical structure of, and facilities provided by, a modern operating system. analyze the tradeoffs inherent in operating system design. differentiate between the concepts of processes, threads and multithreading. demonstr ...
now
... system call and any return values The caller need know nothing about how the system call is implemented ◦ Just needs to obey API and understand what OS will do as a result call ◦ Most details of OS interface hidden from programmer by API Managed by run-time support library (set of functions built ...
... system call and any return values The caller need know nothing about how the system call is implemented ◦ Just needs to obey API and understand what OS will do as a result call ◦ Most details of OS interface hidden from programmer by API Managed by run-time support library (set of functions built ...
Computer multitasking
... a regular "slice" of operating time. It also allows the system to rapidly deal with important external events like incoming data, which might require the immediate attention of one or another process. At any specific time, processes can be grouped into two categories: those that are waiting for inpu ...
... a regular "slice" of operating time. It also allows the system to rapidly deal with important external events like incoming data, which might require the immediate attention of one or another process. At any specific time, processes can be grouped into two categories: those that are waiting for inpu ...