8-70.
Before the intercomputer data transfer
sequence of events can begin, which of the
following events must have occurred on the
same channel?
1. An OD buffer must have been
established on the transmitting
computer
2. An ID buffer must have been
established on the receiving computer
3. Both 1 and 2 above
4. An IDA must have been established
8-71.
In intercomputer data transfers, the data
word is held on the OD lines until the
receiving computer performs which of the
following tasks?
1. Sets the IDR line
2. Clears the IDR line
3. Sets the resume line
4. Clears the resume line
8-72.
In intercomputer data transfer, the
receiving computer recognizes the ready
line of the transmitting computer as what
line?
1. The IDR line
2. The ODR line
3. The ODA line
4. The resume line
8-73.
In intercomputer data transfer, the
transmitting computer recognizes the IDA
line of the receiving computer as what line?
1. The IDR line
2. The ODR line
3. The ODA line
4. The resume line
8-74.
In intercomputer data transfer, after one
data word has been transferred and before
the next data word is placed on the data OD
lines, which of the following events
occurs?
1. The receiving computer sets the IDA
line
2. The transmitting computer clears the
ready line
3. Both 1 and 2 above
4. The receiving computer clears the
EFR line
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