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Computational thinking

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Question 69

VoltStream, a smart-grid energy provider, issues weekly usage statements to its customers.

An example statement for one customer is shown below:

Customer Code: VS-98421

Dear Elena,

You have consumed 340.5 kWh of electricity. You have fed back 120.0 kWh of solar energy to the grid. Your standard charge is £54.48, and your feed-in credit is £18.00. Your net bill amount is £36.48.

Thank you for choosing VoltStream Energy.

Draw a diagram of a data structure suitable for storing this customer statement data. Your diagram must show data for at least two customers.

[3]
Markscheme

Computational thinking Questions

  1. GCSE
  2. /Computer Science
  3. /Computational thinking

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