Recent questions tagged interrupts

Which of the following is/are true for interrupts?Interrupts temporarily suspend the currently running process to handle a specific event. When an interrupt occurs, the C...

Consider the following two statements about interrupt handling mechanisms in a CPU.$\text{S1}$: In non-vectored interrupt mechanism, it usually takes more time to start t...

Consider the following interrupt protection levels in Linux, and arrange them in the increasing order of their priorities.User-Mode Programs (Preemptible)Bottom Half Inte...

Which of the following is the correct sequence with regard to service routine?Save contents of processor registersTurn the interrupt facility onService the device whose f...

A device with data transfer rate 20 KB/sec is connected to a CPU. Data is transferred byte-wise. Let the interrupt overhead be 10 microseconds.What is the total time requ...

Suppose a program is running on a non-pipelined single processor computer system. The computer is connected to an external device that can interrupt the processor asynchr...

Consider 4 MBPS IO devices connected to 64 bit CPU using DMA interface. 64 words data is transfer from the IO to memory using DMA interface. Main memory machine cycle tim...

In a vectored interruptThe branch address is assigned to a fixed location in memoryThe interrupting source supplies the branch information to the processorThe branch addr...

Which of the following is false about interrupts?Interrupts can be triggered by a hardware or by a softwareHardware interrupts may be triggered by sending a signal to CPU...

A hard disk with a transfer rate of 1 Mbytes/ second is constantly transferring data to memory using DMA. The processor runs at 500 MHz, and takes 500 and 1000 clock cycl...

A keyboard connected to a computer is used at a rate of $1$ keystroke per second. The computer system polls the keyboard every $10 \mathrm{~ms}$ (milli seconds) to check ...

Both internal and software caused by executing the program instructions . So both are same ?

External Interrupt may not arise because ofillegal or erroneous use of an instruction.a timing device.external source.I/O devices.

Which of the following is false?Interrupts which are initiated by an instruction are software interruptsWhen a subroutine is called, the address of the instruction follow...