Five statements about serial half-duplex data transmission are shown in the table below. Tick (✔) to show whether each statement is true or false. Statement true (√) false (✔) Data is transmitted in one direction only, one bit at a time. Data is transmitted in both directions, multiple bits at a time. Data is transmitted in one direction only, multiple bits at a time. Data is transmitted in both directions, but only one direction at a time. Data is transmitted one bit at a time. Data is transmitted in both directions, but only one direction at a time. Data is transmitted multiple bits at a time.
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2017). The mark or mark type is shown in brackets.
- [5] 1 mark per correct tick Statement True False Data is transmitted in one direction only, one bit at a time. ✓ Data is transmitted in both directions, multiple bits at a time. ✓ Data is transmitted in one direction only, multiple bits at a time. ✓ Data is transmitted in both directions, but only one direction at a time. Data is transmitted one bit at a time. ✓ Data is transmitted in both directions, but only one direction at a time. Data is transmitted multiple bits at a time. ✓
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →