ACARA 7-8 Digital Technologies: Numbers and binary foundations
Students learn that digital systems store everything as numbers, why hardware uses two states, and how to count, read, write and size whole numbers in binary.
One content description (AC9TDI8K03, AC9TDI8K04) from the full ACARA Digital Technologies Years 7–8 — Representing Text, Images and Sound journey. All 13 modules below are in that journey too, with the same content — add just these to a class, or the whole strand.
Modules (13)
1
Digital systems store everything as numbers
2
Binary means two states
3
Bits and the binary digits 0 and 1
4
Why digital hardware has two states
5
Encode and decode
6
Counting in binary from 0 to 7 (Representing Text, Images and Sound)
7
Counting in binary from 8 to 15 (Representing Text, Images and Sound)
8
Binary place values
9
Writing small numbers in binary
10
Reading binary numbers
11
Converting numbers from 0 to 127 using seven place values
12
Padding binary with leading zeros
13
How many values n bits can store
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