Question: A printer is requesting processor servicing using handshake communication. Assume ireq and iack are initially 0 ' s . Which XXX completes the given order

A printer is requesting processor servicing using handshake communication. Assume ireq and iack are initially 0's. Which XXX completes the given order of events?
ireq =1
Device waits
XXX
ireq =0
iack =0
Group of answer choices
ireq =0
ireq =1
iack =0
iack =1A printer is requesting processor servicing using handshake communication. Assume ireq and iack are initially 0's. Which XXX completes the given order of events?
ireq =1
Device waits
XXX
ireq =0
iack =0
Group of answer choices
ireq =0
ireq =1
iack =0
iack =1A printer is requesting processor servicing using handshake communication. Assume ireq and iack are initially 0's. Which XXX completes the given order of events?
ireq =1
Device waits
XXX
ireq =0
iack =0
Group of answer choices
ireq =0
ireq =1
iack =0
iack =1A printer is requesting processor servicing using handshake communication. Assume ireq and iack are initially 0's. Which XXX completes the given order of events?
ireq =1
Device waits
XXX
ireq =0
iack =0
Group of answer choices
ireq =0
ireq =1
iack =0
iack =1

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