Summary of AQA GCSE (8525) SLR7 Using trace tables to determine the purpose of algorithms

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The trace table is a tool used to analyze algorithms and identify errors. The trace table helps identify the current state of variables and outputs as they occur, allowing for a better understanding of how a program works. In this video, the instructor demonstrates a simple program and uses the trace table to track the progression of the variables and outputs. This program calculates the factorial of a number entered into it, and prints the result to the screen.

• 00:00:00 In this video, the instructor discusses the trace table, which is a tool used to analyze algorithms and identify errors. The trace table helps identify the current state of variables and outputs as they occur, allowing for a better understanding of how a program works. The instructor demonstrates a simple program and uses the trace table to track the progression of the variables and outputs.
• 00:05:00 This program calculates the factorial of a number entered into it, and prints the result to the screen.