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Question 10

An amateur drone racing club is developing an embedded control system to automate an individual time-trial race. The race requires a drone to complete exactly 3 laps of a 150-metre obstacle course (totaling 450 metres).

The system is connected to the following hardware peripherals:

  • Launchpad infrared alignment sensors
  • Starter LED matrix (displays a countdown, then a solid blue start signal)
  • Abort siren and a flashing amber warning light
  • RFID gate scanner at the start/finish line
  • Electronic digital scoreboard display

Create an algorithm using structured English (or a structured written description) to manage the control of this 3-lap drone time-trial using the peripherals listed.

[6]
Markscheme

Algorithms Questions

  1. GCSE
  2. /Computer Science
  3. /Algorithms

159 exam-style questions on Edexcel GCSE Computer Science Algorithms, covering Constructs for solving problems, Variables, constants and data structures, Arithmetic, relational and logical operators, Tracing algorithm output with trace tables, Types of error and correcting logic errors, Standard algorithms (sorts and searches), and Evaluating algorithm fitness and efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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