The advantage of I/O mapped devices to memory mapped is _________

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Question:
The advantage of I/O mapped devices to memory mapped is _________

1.The former offers faster transfer of data

2. The devices connected using I/O mapping have a bigger buffer space

3.The devices have to deal with fewer address lines

4.No advantage as such

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

More MCQS Questions and answers

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  2. A privilege exception is raised __________
  3. A single Interrupt line can be used to service n different devices.
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  8.  In intel’s IA-32 architecture there is a separate 16 bit address space for the I/O devices.
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  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 ___________
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  18. In daisy chaining device 0 will pass the signal only if it has ___
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  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 _________
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  31. The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is?
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  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 ___________
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  40. The two facilities provided by the debugger is __________
  41. The usual BUS structure used to connect the I/O devices is ___________
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