q below four answers are written against each questionsplease highlight the most sui 3607475

February 11, 2021/in Business Homework Help Online /by Joseph

Q /Below four answers are written against each questionsPlease highlight the most suitable one as your answers.

a)In IRQ2 and IRQ3 which one has the highestpriority?

•Can’t bedetermined

•Both have samepriority

•IRQ3

•
IRQ2b)
Extended memory is available if the processoris of the type

•None of the givenchoices

•All of the givenchoices

•XT

•
ATc)
In NTFS, boot sector is storedat

•First and 6thsector

•First and Lastsector

•
Only at Lastsector

•Only at Firstsector

d)
DMA driven IO is the technique used forperforming IO

•All of the givenchoices

•By transferring the datadirectly from IO port to processor and vice versa

•By using the processorto perform an IO routine only when data for IO

operation is available.

•By keeping the processortied up either checking for the possibility of an IO

operation or performing the IO operation

e)
A full duplex communication system isto be implementing using a PPI

(peripheral programmable interface). By the virtue ofthe printer interface provided

by the standard PCs the unit of data transfer for suchcommunication will be

•A doubleword

•A word

•A byte

•
Anibble

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