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A timer interrupt is a signal generated by a hardware timer in a computer system to alert the processor that a specified time interval has elapsed. This interrupt allows the operating system to perform time-sensitive tasks, such as scheduling processes, managing system resources, or handling periodic tasks. By using timer interrupts, the system can maintain accurate timing and responsiveness, ensuring that multiple processes can run efficiently without conflicts. Overall, it's a crucial mechanism for multitasking and real-time operations in computing environments.

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What are the five sources of interrupt in 8051 microcontroller?

Intr timer interrupt 0 and 1 external interrupt 0 and 1


Which interrupt is usually used for the System Timer?

IRQ 0


What is interrupt for 8051?

An interrupt in the 8051 microcontroller is a mechanism that temporarily halts the execution of the main program to allow the processor to address an event or condition that requires immediate attention, such as a timer overflow, external signal, or serial communication. The 8051 supports multiple interrupt sources, including external interrupts (INT0 and INT1), timer interrupts (Timer 0 and Timer 1), and a serial communication interrupt. When an interrupt occurs, the microcontroller saves the current program state, jumps to a predefined interrupt service routine (ISR), and upon completion, resumes the original program. This allows for efficient handling of asynchronous events without continuous polling.


Which does not interrupt a running process. 1.device 2.timer 3.schedule process 4.power failure?

device


What are the main classes of interrupt?

There are six classes of interrupt: *Supervisor Call Interrupts (SVC) *I/O Interrupts *External Interrupts *Restart Interupts *Program Check Interrupt *Machine Check Interrupts


What is jiffies?

Jiffies is a global variable that holds the number of ticks that have occured after the system has booted. On each timer interrupt the value of this variable is increased by 1.


What interrupt request is redirected to IRQ 9?

In many systems, the interrupt request (IRQ) that is redirected to IRQ 9 is typically used for the ACPI (Advanced Configuration and Power Interface) or for certain legacy devices, such as the interrupt for the integrated interrupt controller. Additionally, IRQ 9 can also be associated with the system timer in some architectures. The exact usage can vary based on the hardware and operating system configuration.


What are the main causes of interrupts?

Just about any detectable event can be an interrupt for a computer. An event can be something like a keypress on the keyboard, a data stream on a serial input line, when the disk controller detects that the requested data has been read from the disk, when a timer event occurs (some software applications set a timer then "wake up" when the timer expires, that's done with interrupts). Most hardware is associated with some kind of interrupt vector.


What part of speech is interrupt?

Interrupt is a verb.


What is the use of interrupt vector?

An interrupt vector is the memory address of an interrupt handler, or an index into an array called an interrupt vector table or dispatch table. Interrupt vector tables contain the memory addresses of interrupt handlers. When an interrupt is generated, the processor saves its execution state via a context switch, and begins execution of the interrupt handler at the interrupt vector.


Write a Terminate and Stay Resident program in Assembly language to change the background color of DOS-screen after every ten seconds You will need to hook timer interrupt real time interrupt for t?

Download NGASM Assembler from www.BestDiskRecovery.com/ngasm/index.html The included Programmer's Manual comes with TSR examples. But you will have to do your stuff on the 10 seconds, etc...


What is a sentence with the word interrupt?

"You should not interrupt class," the teacher scolded the boy.