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1000 Apple LAN Literacy
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1000 Apple LAN Literacy.iso
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Apple LAN Literacy
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Literacy Segments Part 3
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Literacy Segments Part 3
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card_12308.txt
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1989-08-22
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844b
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34 lines
-- card: 12308 from stack: in
-- bmap block id: 12785
-- flags: 0000
-- background id: 17743
-- name: Access Methods C/15
----- HyperTalk script -----
on openCard
beenHereFlag 1,1
-- first param is item #, second is line # (of global)
pass openCard
end openCard
-- part contents for background part 6
----- text -----
12308
-- part contents for background part 24
----- text -----
Multiple Access
What happens when two nodes check the carrier at exactly the same time and no other node is transmitting?
Both nodes would find the link free and both would begin to transmit. Their data packets would
collide and the data would be incorrect or unreadable by the receiving nodes.
-- part contents for background part 5
----- text -----
Carrier Sensing (4 of 9)
-- part contents for background part 3
----- text -----
Access Methods