Variables & Assignment: One Executed Line per Row, a Column per Variable and the Swap with a Temporary
This lesson is part of the course
In this lesson
You trace an eight-line program in a trace table: you work out a ← a + b from the row above, copy a into a temporary t, finish the swap of a and b and update c with the new b.
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Lessons in this course
- Variables & Assignment: One Executed Line per Row, a Column per Variable and the Swap with a Temporary Locked
- Conditions: If / Else-If Chains as IFS, AND/OR/NOT and a Test Table that Reaches Every Branch Locked
- Counting Loops: a For-Loop Row by Row, Accumulators, Running Totals and Nested Loops Locked
- While Loops & Termination: Digit Sums with INT and MOD, Halving to a Limit, a Toy 3n + 1 Sequence and an Iteration Guard Locked
- Arrays & Strings: 0-Based vs 1-Based Positions, the Running Maximum, Counting Matches and Reversing a Word Locked
- Functions: Parameters & Return Values, a Call Log and Functions With and Without Side Effects Locked
- Recursion: a Call-Stack Table Going Down and Coming Back Up, the Same Task as a Loop and Stack Depth Locked
- Capstone – Debugging: < vs <= in Loop Bounds, Wrong Start Values, Buggy vs Fixed Traces, a Test Table and a Bug Chart Locked