After the completion of the DMA transfer, the processor is notified by __________

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Question:
 After the completion of the DMA transfer, the processor is notified by __________

1.Acknowledge signal

2.Interrupt signal

3.WMFC signal

4.None of the mentioned

Posted Date:-2021-03-15 06:07:33

More MCQS Questions and answers

  1. ______ interrupt method uses register whose bits are set separately by interrupt signal for each device
  2. A privilege exception is raised __________
  3. A single Interrupt line can be used to service n different devices.
  4.  After the completion of the DMA transfer, the processor is notified by __________
  5.  An interrupt that can be temporarily ignored is ___________
  6.  How can the processor ignore other interrupts when it is servicing one _________
  7.  If during the execution of an instruction an exception is raised then __________
  8.  In intel’s IA-32 architecture there is a separate 16 bit address space for the I/O devices.
  9.  Interrupts initiated by an instruction is called as _______
  10.  The 8085 microprocessor responds to the presence of an interrupt __________
  11.  The interrupt servicing mechanism in which the requesting device identifies itself to the processor to be serviced is ___________
  12.  The method of accessing the I/O devices by repeatedly checking the status flags is ___________
  13.  The return address from the interrupt-service routine is stored on the ___________
  14.  The starting address sent by the device in vectored interrupt is called as __________
  15.  To overcome the lag in the operating speeds of the I/O device and the processor we use ___________
  16. CPU as two modes privileged and non-privileged. In order to change the mode from privileged to non-privileged.
  17. How is a privilege exception dealt with?
  18. In daisy chaining device 0 will pass the signal only if it has ___
  19. In DMA transfers, the required signals and addresses are given by the __________
  20. In trace mode of operation is ________
  21. In vectored interrupts, how does the device identify itself to the processor?
  22. Interrupts form an important part of _____ systems.
  23. In memory-mapped I/O ____________
  24. The added output of the bits of the interrupt register and the mask register is set as an input of ______________
  25. The advantage of I/O mapped devices to memory mapped is _________
  26. The code sent by the device in vectored interrupt is _____ long.
  27. The DMA differs from the interrupt mode by __________
  28. The DMA transfers are performed by a control circuit called as __________
  29. The instructions which can be run only supervisor mode are?
  30. The interrupt-request line is a part of the ___________
  31. The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is?
  32. The method which offers higher speeds of I/O transfers is ___________
  33. The process wherein the processor constantly checks the status flags is called as ___________
  34. The processor indicates to the devices that it is ready to receive interrupts ________
  35. The program used to find out errors is called __________
  36. The resistor which is attached to the service line is called _____
  37. The signal sent to the device from the processor to the device after receiving an interrupt is _______
  38. The system is notified of a read or write operation by ___________
  39. The time between the receiver of an interrupt and its service is ______
  40. The two facilities provided by the debugger is __________
  41. The usual BUS structure used to connect the I/O devices is ___________
  42. What are the different modes of operation of a computer?
  43. What is the operation in Breakpoint mode?
  44. When dealing with multiple devices interrupts, which mechanism is easy to implement?
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