GCSE Edexcel Computer Science Defensive Design & Testing: P-Cubed classifies items as lett

Question

P-Cubed classifies items as letters and packages according to their weight.

Here is the pseudo-code for an algorithm that determines the classification of an item.

SET maxWeights TO [0, 100, 750, 2000, 20000]
SET typeItem TO ["Too small", "Small letter", "Large letter", "Small package", "Medium package", "Too big"]
SET i TO 0
SET found TO False
SEND "Enter an item weight" TO DISPLAY
RECEIVE inWeight FROM (INTEGER) KEYBOARD

WHILE (found = True) AND (i < LENGTH(maxWeights)) DO
    IF (inWeight > maxWeights[i]) THEN
        SET i TO i + 1
    ELSE
        SET found TO True
    END IF
END WHILE
SEND typeItem[i+1] TO DISPLAY

(a) The pseudo-code produces an incorrect output.
When the user enters 300, the algorithm outputs "Small letter". The correct output should be "Large letter".
State the name for this type of error.

(b) Line 11 and line 18 cause errors.
Identify the error in each line and construct new lines of pseudo-code that will correct the errors.

P-Cubed classifies items as letters and packages according to their weight - Edexcel - GCSE Computer Science - Question 4 - 2018 - Paper 1

Worked Solution & Example Answer:P-Cubed classifies items as letters and packages according to their weight - Edexcel - GCSE Computer Science - Question 4 - 2018 - Paper 1

State the name for this type of error.

Identify the error in Line 11 and construct new lines of pseudo-code that will correct the errors.

Identify the error in Line 18 and construct new lines of pseudo-code that will correct the errors.

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