(a) All variables, constants and other identifiers should have meaningful names. (i) Declare suitable arrays for each of the planes to store time slots booked. \_\_\_\_ \_\_\_\_ \_\_\_\_ [3] (ii) Name one variable and one constant you used for Task 1 and state the purpose of each one. Variable \_\_\_\_ Purpose \_\_\_\_ \_\_\_\_ Constant \_\_\_\_ Purpose \_\_\_\_ \_\_\_\_ (b) Write an algorithm to complete Task 1, using either pseudocode, programming statements or a flowchart. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ (c) Describe how you could validate and test the inputs for Task 1. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ [4] (d) Explain how your program checks and displays whether any of the planes are available at a given time of the day (Task 2). Any programming statements used must be fully explained. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_

2017 - O/N - 0478/21 | Q1

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(a) All variables, constants and other identifiers should...