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Answer: An interrupt is a hardware-generated change-of-flow within the system. An interrupt handler is summoned to deal with the cause of the interrupt; control is then returned to the interrupted context and instruction. A trap is a software-generated interrupt. An interrupt can be used to signal the completion of an I/O to obviate the need for device polling. A trap can be used to call operating system routines or to catch arithmetic errors.
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What is interrupts and list classes of interrupts in operating system?
An interrupt is an event that alters the sequence in which the processor execute instructions. It is generated by hardware of computer system. Classes of interrupt:- IBM processor has six types of interrupts. * svc interrupt(supervisor call) *input/output interrupts *external interrupts *Restart interrupts *Program check interrupt *Machine check interrupts
QNX operating systems is used for what purpose?
The QNX operating system is mostly used for industrial purpose. It is a real time Operating system as opposed to Linux that is considered a basic operating system.
What are the benefits of interrupt driven operating system?
interrupts are used to ensure adequate service response times by the processing.
What are the main purpose of operating system?
The main purpose of an operating system is to control the computer's hardware and allow the user to interface with it. Software and programs can be ran within the operating system to allow for virtually endless possibilities.
Special purpose systems in operating systems?
The special purpose of the operating system is to manage the computer hardware resources. The operating system also provides common services for the computer programs.
