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The operating system (OS) handles interrupts by using an interrupt handling mechanism that includes interrupt detection, prioritization, and servicing. When an interrupt occurs, the CPU pauses its current execution, saves the state of the running process, and transfers control to a specific interrupt handler routine associated with the interrupt. The handler processes the interrupt, which may involve reading input from devices or handling errors, and then restores the saved state of the interrupted process before resuming its execution. This efficient management allows the OS to respond promptly to hardware events while maintaining system stability and performance.
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What is interrupt conflicts in computers?
Intrrup conflicts are when one device in a computer takes the interrupt from other device in the os. Intrrup conflicts are when one device in a computer takes the interrupt from other device in the os.
What is restart interrupt?
When you interrupt the restart you normally have to program and code a little bit other wise its quite dumb having to destroy your OS
What is interrpt request lines?
these are the block of code which tell the OS that a specific interrupt has arrived or to send interrupt request to some particular task. Interrupt is to stop the normal execution of the program and process the interrupt first according to it's priority in the interrupt vector table.
What is mean by interrupt vector table?
Interrupts are essential to the operation of a computer because they allow it to process service requests. Interrupts tell the computer to stop whatever it is doing and start some other task, such as handing the keyboard or mouse movement. When the task is complete, the interrupt finishes and the computer resumes whatever it was doing previously. Interrupt vectors allow for compatibility, since interrupt numbers can be standardized, and different interrupt code installed for similar devices from different vendors. An interrupt vector table separates a hardware device that has events from the code that will process that event. A device (i.e. network card, keyboard, mouse, etc) generates an event and that event needs to trigger a message into some software application. That message might ultimately be ignored, but the responsibility of the hardware is to get that event into the computer. Hardware devices simply change state when events happen which then causes a memory mapped location for the hardware to change. This change then triggers the OS to perform a simple look-up in the interrupt vector table and jump at the machine level to the machine code that will handle the interrupt. The machine code to handle the interrupt is known as the device driver or interrupt handler. That code will read any memory mapped locations related to the event and pass that information on to higher level software routines. The simplicity of the interrupt vector table allows a complete separation between hardware devices and software OS. This is what allows a USB mouse to be used on different OS on a single machine or across different hardware architectures (i.e. Mac, Intel PC, etc). The necessary evil of this scheme is that you can't use a device with an OS if there is no device driver for that OS. This is particularly frustrating to users who have a device that has a driver with one version of an OS "X", upgrades the OS to the next version "X+1", and finds that the driver philosophy has changed in "X+1" and the device can no longer be used.
When a computer device is in need of immediate attention it sends the OS?
An interrupt request, or IRQ
What action an operating system take when the interrupt occurs?
When an interrupt occurs, the operating system first saves the context of the currently running process, including the program counter and other registers. It then determines the cause of the interrupt and executes the appropriate interrupt handler to address it. After processing the interrupt, the OS restores the saved context of the interrupted process and resumes its execution, ensuring a seamless continuation of tasks. This mechanism allows the OS to respond promptly to external events or internal conditions while maintaining system stability.
What is handling operating system?
handling operating system means how to handle the os. In this os the os was handel in th proper way.
What is a pop-up thread?
they are like interrupt handlers when a message arrived, a thread poped and handle it
What is a pop up thread?
they are like interrupt handlers when a message arrived, a thread poped and handle it
What is the OS symbol for pub?
A pint glass with a handle.
What is restart?
When you interrupt the restart you normally have to program and code a little bit other wise its quite dumb having to destroy your OS
Disadvantage of writing OS in high level language such as C?
Nothing. Every modern OS is written in C, except for some little special parts (like interrupt-handling) that are written in Assembly.
