Computer Science · May / June 2016 · Paper 12 · Question 6
2210
As printed in the paper
Show the answer and mark scheme
6(a)[6]
Type Tick (✓) Method Tick (✓) simplex serial half-duplex parallel ✓ full-duplex → Type Tick (✓) Method Tick (✓) simplex ✓ serial ✓ half-duplex parallel full-duplex Type Tick (✓) Method Tick (✓) simplex serial ✓ half-duplex ✓ parallel full-duplex [6]
6(b)[2]
Any two from:
– single wire means there is less chance of interference/data corruption – single wire reduces costs – more reliable over greater distances – bits will still be synchronised after transmission [2]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.