Computer Organization and Architecture Mcqs

Page No. 30

A complete transfer operation over the BUS, involving the address and a burst of data is called _____


aTransaction


bTransfer


cMove


dProcedure


View Answer Transaction

The SCSI BUS uses ______ arbitration.


aDistributed


bCentralised


cDaisy chain


dHybrid


View Answer Distributed

_____ is used to reset all the device controls to their startup state.


aSRT


bRST


cATN


dNone of the mentioned


View Answer RST

The MSG signal is used _________


aTo send a message to the target


bTo receive a message from the mailbox


cTo tell that the information being sent is a message


dNone of the mentioned



________ signal is asserted when the initiator wishes to send a message to the target.


aMSG


b APP


cSMS


dATN


View Answer ATN

The SEL signal signifies _________


ahe initiator is selected


bThe device for BUS control is selected


cThat the target is being selected


dNone of the mentioned



The BSY signal signifies _________


aThe BUs is busy


bThe controller is busy


cThe Initiator is busy


d The Target is Busy


View Answer The BUs is busy

What is DB(P) line?


aThat the data line is carrying the device information


bThat the data line is carrying the parity information


cThat the data line is partly closed


dThat the data line is temporarily occupied



In SCSI transfers the processor is not aware of the data being transferred.


aTrue


bFalse


ceither true either false


d none of the mentioned


View Answer True

In a data transfer operation involving SCSI BUS, the control is with ______


aInitiator


bTarget


cSCSI controller


dTarget Controller


View Answer Target Controller

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