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The trace table shows a complete run through of the values stored by each variable during the execution of the algorithm. The highlighted row on the trace table shows where the program failed to return the value that the programmer would have expected. The height of 1.57 is within the desired range.

The table usually takes the form of a multi-column, multi-row table; With each column showing a variable, and each row showing each number input into the algorithm and the subsequent values of the variables. Trace tables are typically used in schools and colleges when teaching students how to program.

Trace tables tutorial GCSE Computer Science - YouTube YouTube Start of suggested clip End of suggested clip So I'll start by writing the the variable names so we've got terms which is the first one. And we'veMoreSo I'll start by writing the the variable names so we've got terms which is the first one. And we've got X which is the next variable. And we'll put outputs.

To create a trace table, map out all of the variables which change (not constants) and write them down in a column in a table. Each row will then store what assignments happen as the code is run. Reading through code and noting down values in a trace table is known as a dry run .

Trace Tables Explained (Algorithm / Flowchart Dry Runs) - YouTube YouTube Start of suggested clip End of suggested clip Table. So what is a trace table well a trace. Table is how we perform a dry run of an algorithmMoreTable. So what is a trace table well a trace. Table is how we perform a dry run of an algorithm trace tables show how the variables. Change at each stage of the algorithm trace tables find the outputs

There are two main reasons that trace tables are used. The first is to determine what an algorithm does by running through it to see what happens as the algorithm runs. The second is to test the logic of an algorithm in case there are errors that are not easily spotted.

Trace tables are tables that consist of columns, each representing a variable, a condition, or an output in an algorithm, although not every variable, condition or output need be included in a trace table.