Tagged: TRACS

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Materials – Structured TRACS in Livecode

Activity Summary This is a set of exercises for National 4 and 5 pupils using the TRACS technique. The examples are in Livecode. Suggested Time Required These exercises could be used throughout a unit of Livecode programming or as assessments of programming ability. Resources TRACS livecode—PLAN...

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Approach – Tracing to Understand the Notional Machine

Summary of Approach The process a computer goes through when executing a section of code is manually stepped through by the learner in order to understand how it will work and what the expected output should be. Keypoints Just showing a visualisation of a piece of...

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Technique – Database TRACS

Summary of Technique Pupils use a paper-based TRACS model to trace the processing of a database query. Pupils annotate the model to indicate the sequence of the operations and the effect of each of the operations on the results of the query. The activity is based...

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Technique – Expression TRACS

Summary of Technique Office mix TRACS for expressions is a technique for analysing the expressions in code. This could be as simple as the expression 4+5, to a complex expression such as (INT(RND*23)+1)>ROUND(a,3) OR b<j*r. The approach uses annotation to outline the order of evaluation of...