Q. If an interrupt is generated from outside the processor then it is an

View solution

Q. If the interrupt is generated by the execution of an interrupt instruction then it is

View solution

Q. Example of an external interrupt is

View solution

Q. Example of an internal interrupt is

View solution

Q. The interrupt request that is independent of IF flag is

View solution

Q. The type of the interrupt may be passed to the interrupt structure of CPU from

View solution

Q. During the execution of an interrupt, the data pushed into the stack is the content of

View solution

Q. After every response to the single step interrupt the flag that is cleared is

View solution

Q. At the end of ISR, the instruction should be

View solution

Q. When the CPU executes IRET,

View solution

Q. The interrupt for which the processor has the highest priority among all the external interrupts is

View solution

Q. The interrupt for which the processor has highest priority among all the internal interrupts is

View solution

Q. In case of string instructions, the NMI interrupt will be served only after

View solution

Q. The NMI pin should remain high for atleast

View solution

Q. The INTR signal can be masked by resetting the

View solution

Q. For the INTR signal, to be responded to in the next instruction cycle, it must go ________ in the last clock cycle of the current instruction.

View solution

Q. The status of the pending interrupts is checked at

View solution

Q. Once the processor responds to an INTR signal, the IF is automatically

View solution

Q. If the pin LOCK (active low based) is low at the trailing edge of the first ALE pulse, then till the start of the next machine cycle, the pin LOCK (active low) is

View solution

Q. With the trailing edge of the LOCK (active low), the INTA (active low) goes low and remains in it for

View solution