Define the term algorithm - AQA - GCSE Computer Science - Question 1 - 2023 - Paper 1
Question 1
Define the term algorithm.
A sequence of steps or instructions that can be followed to complete a task or solve a problem. An algorithm is essentially a set of inst... show full transcript
Worked Solution & Example Answer:Define the term algorithm - AQA - GCSE Computer Science - Question 1 - 2023 - Paper 1
Step 1
What is the result of concatenating the contents of the variables city and landmark in Figure 1?
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Answer
The result of concatenating the contents of the variables city and landmark from Figure 1 is 'San FranciscoAlcatraz Island'. This would typically be represented as city + landmark in pseudo-code.
Step 2
Using Figure 1, what value is assigned to z?
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Answer
Based on Figure 1, the variable landmark holds the value 'Alcatraz Island'. The statement z = POSITION(landmark, 't') finds the first position of the character 't' in 'Alcatraz Island', which is at position 7.