411 REFERENCE · Wikibooks
GCSE Computing/Computing hardware/Introduction to Binary Logic
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
What you need to know
(d) explain why data is represented in computer systems in binary form
(e) understand and produce simple logic diagrams using the operations NOT, AND and OR
(f) produce a truth table from a given logic diagram.
These items are covered on the following pages
Introduction to Binary
/Logic Diagrams/
/Truth Tables/