Communication Basics (AQA A-Level Computer Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How does serial transmission send data?
How does serial transmission send data?
One bit at a time down a single wire
Which is a disadvantage of parallel transmission?
Which is a disadvantage of parallel transmission?
Interference between multiple wires
What unit is bandwidth measured in?
What unit is bandwidth measured in?
Hertz (Hz)
How are bit rate and bandwidth related?
How are bit rate and bandwidth related?
Bit rate is directly proportional
If 4 voltage levels encode 2 bits per state change, what happens to baud rate?
If 4 voltage levels encode 2 bits per state change, what happens to baud rate?
Bit rate becomes higher than baud rate
What are the three types of latency?
What are the three types of latency?
Propagation, transmission, processing
Why do fiber optic cables have lower transmission latency?
Why do fiber optic cables have lower transmission latency?
Light signals travel faster
In asynchronous transmission, how many bits transmit 8 data bits?
In asynchronous transmission, how many bits transmit 8 data bits?
11 bits total
What advantage does synchronous transmission have?
What advantage does synchronous transmission have?
Continuous data flow without start/stop
Which protocol handles routing and reassembly of Internet packets?
Which protocol handles routing and reassembly of Internet packets?
TCP/IP