Computing & AI Class 7
Data & Patterns II
Turn switches into letters with a code, then sort and filter a table.
8 lessons · ~42 min total
Track progress — 0 of 8 lessons read 0%
Lessons in this topic
- 0 Start here A roadmap: one switch, doubling, codes, rows and columns, sorting and filtering. · 3 min You are here
- 1 One switch, two messages A bit can be pictured as one switch with two states. A state needs an agreed meaning. · 5 min
- 2 Add a switch, double the patterns Each new switch doubles the patterns. Count how many switches a list needs. · 5 min
- 3 Give a pattern a meaning A code is an agreed table. It gives each switch pattern a letter. · 6 min
- 4 One row per thing, one column per fact A table has one record per row and one field per column. · 6 min
- 5 Sorting and filtering Sorting puts rows in order. Filtering hides rows. Neither changes a fact. · 6 min
- 6 The big picture Five ideas: bits, doubling, codes, records and fields, sorting and filtering. · 4 min
- 7 Track quiz A cheat-sheet table, then twelve questions on the five ideas. · 7 min
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