A real-time operating system
... During the 1960s, IBM's OS/360 introduced the concept of a single OS spanning an entire product line, which was crucial for the success of the System/360 machines. IBM's current mainframe operating systems are distant descendants of this original system and applications written for OS/360 can still ...
... During the 1960s, IBM's OS/360 introduced the concept of a single OS spanning an entire product line, which was crucial for the success of the System/360 machines. IBM's current mainframe operating systems are distant descendants of this original system and applications written for OS/360 can still ...
ch01-Introduction
... 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 ...
Chapter 1: Introduction
... 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 ...
All of the above.
... about spooling is FALSE? • SPOOL stands for Simultaneous Peripheral Operation Off-Line. • Spooling is commonly used to share one printer between different processes so that the output of each process does not interfere with the output of the other processes. • Spooling removed the need for small com ...
... about spooling is FALSE? • SPOOL stands for Simultaneous Peripheral Operation Off-Line. • Spooling is commonly used to share one printer between different processes so that the output of each process does not interfere with the output of the other processes. • Spooling removed the need for small com ...
ing systems were being developed in the
... rebooting the operating system after a crash faster, but does not address the fundamental problem of every line of code being critical. What is required is splitting the core of the operating system functionality—including the file system, process management, and graphics—into multiple processes, pu ...
... rebooting the operating system after a crash faster, but does not address the fundamental problem of every line of code being critical. What is required is splitting the core of the operating system functionality—including the file system, process management, and graphics—into multiple processes, pu ...
Operating System Concepts In Embedded
... obtained on the Web at http://www.princeton.edu/~wolf/embedded-book/chapter-aids/WinCE/wince-curriculum.htm. We developed a set of lectures on the operation of Windows CE. The first lecture summarizes the principles of operation of Windows CE: memory organization, the scheduler, process structure, e ...
... obtained on the Web at http://www.princeton.edu/~wolf/embedded-book/chapter-aids/WinCE/wince-curriculum.htm. We developed a set of lectures on the operation of Windows CE. The first lecture summarizes the principles of operation of Windows CE: memory organization, the scheduler, process structure, e ...
BIOS (Basic Input Output Service)
... • A basic software program containing all BIOS functions is permanently stored in the ROM. • This software functions as a basic operating system. • Is responsible for starting the PC. • This hardware integrated with software is also referred to as firmware. ...
... • A basic software program containing all BIOS functions is permanently stored in the ROM. • This software functions as a basic operating system. • Is responsible for starting the PC. • This hardware integrated with software is also referred to as firmware. ...
Operating Systems: Process Management
... Other UNIX commands top – process list, continuously updated jobs – list jobs running in current shell bg, fg – send jobs to back/foreground at – run batch job at specified time(s) kill – send signal to terminate process sleep – pause for some seconds 27 March 2003 ...
... Other UNIX commands top – process list, continuously updated jobs – list jobs running in current shell bg, fg – send jobs to back/foreground at – run batch job at specified time(s) kill – send signal to terminate process sleep – pause for some seconds 27 March 2003 ...
sample unformatted document
... A single-tasking system can only run one program at a time, while a multi-tasking operating system allows more than one program to be running in concurrency. This is achieved by time-sharing, dividing the available processor time between multiple processes that are each interrupted repeatedly in tim ...
... A single-tasking system can only run one program at a time, while a multi-tasking operating system allows more than one program to be running in concurrency. This is achieved by time-sharing, dividing the available processor time between multiple processes that are each interrupted repeatedly in tim ...
Understanding Computers, Chapter 5
... • File compression programs: Reduce the size of files so they take up less storage space on a storage medium or can be transmitted faster over the Internet – Both zip and unzip files – WinZip (Windows users) and Stuffit (Mac users) Chapter 5 ...
... • File compression programs: Reduce the size of files so they take up less storage space on a storage medium or can be transmitted faster over the Internet – Both zip and unzip files – WinZip (Windows users) and Stuffit (Mac users) Chapter 5 ...
Presentazione di PowerPoint - Micrel Lab @ DEIS
... set-top boxes) Small OSes with a handful of basic functions. They are designed from the ground for a particular application They typically lack high-performance GUI and networking (automotive control, digital camera, mobile phones) They are statically linked to the application. After the compilation ...
... set-top boxes) Small OSes with a handful of basic functions. They are designed from the ground for a particular application They typically lack high-performance GUI and networking (automotive control, digital camera, mobile phones) They are statically linked to the application. After the compilation ...
ch02
... Some ask the system for info - date, time, amount of available memory, disk space, number of users Others provide detailed performance, logging, and debugging information Typically, these programs format and print the output to the terminal or other output devices Some systems implement a registry - ...
... Some ask the system for info - date, time, amount of available memory, disk space, number of users Others provide detailed performance, logging, and debugging information Typically, these programs format and print the output to the terminal or other output devices Some systems implement a registry - ...
9. Application/Kernel Interface
... Switch back to user mode Call processor-specific instruction (rti, sysexit, ...) ...
... Switch back to user mode Call processor-specific instruction (rti, sysexit, ...) ...
Are Virtual Machine Monitors Microkernels Done Right? Evangelos Kotsovinos, Dan Magenheimer
... of microkernel research. As message-based communication between system components is crucial to the operation of any microkernel, the literature is saturated with papers measuring IPC performance, improving IPC performance, and even questioning the relevance of IPC performance. However in our experi ...
... of microkernel research. As message-based communication between system components is crucial to the operation of any microkernel, the literature is saturated with papers measuring IPC performance, improving IPC performance, and even questioning the relevance of IPC performance. However in our experi ...
Lecture 3
... connections among processes, users, and computer systems Allow users to send messages to one another’s screens, browse web pages, send electronic-mail messages, log in remotely, transfer files from one machine to another ...
... connections among processes, users, and computer systems Allow users to send messages to one another’s screens, browse web pages, send electronic-mail messages, log in remotely, transfer files from one machine to another ...
Intro and using Linux Commands
... – CISC – Complex instruction set computer – RISC – Reduced instruction set computer (reduced number of instructions because the hardware performs tasks not in the instruction set) ...
... – CISC – Complex instruction set computer – RISC – Reduced instruction set computer (reduced number of instructions because the hardware performs tasks not in the instruction set) ...
lecture 7
... computer to give individuals, workgroups, and the entire enterprise the ability to solve problems and perform specific tasks • Application programs interact with systems software; systems software then directs computer hardware to perform the necessary ...
... computer to give individuals, workgroups, and the entire enterprise the ability to solve problems and perform specific tasks • Application programs interact with systems software; systems software then directs computer hardware to perform the necessary ...
Chapter 2: Operating-System Structures Silberschatz, Galvin and Gagne ©2013 – 9
... Many types of resources - CPU cycles, main memory, file storage, ...
... Many types of resources - CPU cycles, main memory, file storage, ...