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Test: Identifying Errors - Year 11 MCQ


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10 Questions MCQ Test - Test: Identifying Errors

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Test: Identifying Errors - Question 1

In the pseudocode "OUTPUT Age", what is the primary error?

Detailed Solution for Test: Identifying Errors - Question 1
"OUTPUT Age" has a syntax error because Age lacks a value for display, making it incorrect for "OUTPUT" to display it.
Test: Identifying Errors - Question 2

Which of the following correctly describes a logical error in an algorithm?

Detailed Solution for Test: Identifying Errors - Question 2
A logical error occurs when the program completes execution but produces incorrect output, requiring the developer to reevaluate their logic and processes.
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Test: Identifying Errors - Question 3

In the provided pseudocode, what is the logical error in the statement "IF Age < 9 THEN OUTPUT 'You can watch a PG movie'"?

Detailed Solution for Test: Identifying Errors - Question 3
The logical error is that "IF Age < 9" should be "IF Age > 9" to align with the logic of the other IF statements.
Test: Identifying Errors - Question 4
Which statement correctly identifies the two categories of errors in algorithms?
Detailed Solution for Test: Identifying Errors - Question 4
The two categories of errors are syntax errors, which relate to the grammar of the language, and logical errors, which occur when the program produces incorrect output.
Test: Identifying Errors - Question 5
In the pseudocode correction process, what should the corrected order be for the commands "OUTPUT Age" and "INPUT 'Enter an age'"?
Detailed Solution for Test: Identifying Errors - Question 5
The corrected order should be "OUTPUT 'Enter an age'" followed by "INPUT Age" to ensure the user is prompted correctly and the input is stored properly.
Test: Identifying Errors - Question 6
What is a primary challenge in fixing logical errors in an algorithm?
Detailed Solution for Test: Identifying Errors - Question 6
Fixing logical errors is challenging because it requires developers to understand the problem clearly and reevaluate their logic and processes.
Test: Identifying Errors - Question 7
Which of the following best describes a syntax error in an algorithm?
Detailed Solution for Test: Identifying Errors - Question 7
A syntax error refers to incorrect grammar in the algorithm, such as wrong word order or spelling, making it hard to read or interpret correctly.
Test: Identifying Errors - Question 8

What is the purpose of a trace table?

Detailed Solution for Test: Identifying Errors - Question 8

A trace table is used to test the algorithm with various sets of data, including normal, abnormal, extreme, and boundary data, to facilitate error detection.

Test: Identifying Errors - Question 9
When analyzing and breaking down a complex problem into manageable sub-problems, what is a crucial consideration?
Detailed Solution for Test: Identifying Errors - Question 9
It's crucial to consider the inputs, outputs, processes, and potential long-term data storage for each sub-problem when breaking down a complex problem.
Test: Identifying Errors - Question 10
What is a benefit of using clear and meaningful variable names in pseudocode?
Detailed Solution for Test: Identifying Errors - Question 10
Using clear and meaningful variable names in pseudocode enhances the readability and understanding of the algorithm, making it easier for others to interpret and follow the logic.
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