Computer Networking
Bus is

one or more conductors that some as a common connection for a related group of devices
a collection of interconnected functional units that provides a data communications service among stations attached to the network
None of these
a continuous frequency capable of being modulated or impressed with a second signal
the condition when two or more stations attempt to use the same channel at the same time

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Computer Networking
Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?

None of these
two bits or any even number of bits inverted in a block during transmission
one bit or any odd number of bits inverted in a block of data during transmission
one bit or any odd number of bits inverted in a byte during transmission
two bits or any even number of bits inverted in a byte during transmission

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