(a) All variables, constants and other identifiers must have meaningful names. Name two variables that you could have used for Task 1. State the data type and purpose of each variable. Variable 1 name \_\_\_\_ Data type \_\_\_\_ Purpose \_\_\_\_ \_\_\_\_ Variable 2 name \_\_\_\_ Data type \_\_\_\_ Purpose \_\_\_\_ \_\_\_\_ (b) Describe how arrays could be used to store the data about the types and price per square metre of the stone slabs for Task 1. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ [2] (c) Write an algorithm to complete Task 2, using either pseudocode, programming statements or a flowchart. Assume Task 1 has been completed. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ (d) Explain how your program completes Task 3. Any programming statements you use in your answer must be fully explained. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ (e) Name two validation checks that could be used when entering patio dimensions in Task 1 or Task 2 and describe their purpose. Validation check 1 \_\_\_\_ Purpose \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ Validation check 2 \_\_\_\_ Purpose \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_

2019 - O/N - 0478/21 | Q1

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(a) All variables, constants and other identifiers must h...