L6 A2 3

In ______ communication, bits are sent via an interface one bit at a time over a single wire.

In ________ data transmission, several bits are sent simultaneously over a number of wires.

Which communication method has more advantages, and is hence more popular in modern computer systems?

• serial

• parallel

Which of the following are advantages of serial communication?

• reduction in size and complexity

• no crosstalk or interference

• reliable over longer range

• higher signal frequency and hence faster speed

The rate at which a signal changes is the ____ ____

The number of bits transmitted over a second is...

• baud rate

• bit rate

• latency

• bandwidth

The set of rules rules that govern communication is called a ________

At the start of communication, devices often need to perform a h________

True or false: logical and physical topologies are the same

• True

• False

When you have five computers wired up to a central hub, it is ....

• a start topology (physical)

• a bus topology (physical)

• a star topology (logical)

• a bus topology (logical)