16829352
Description
Mind Map by Mathew Wheatley, updated more than 1 year ago
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Created by Mathew Wheatley
about 5 years ago
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Unit 2.4 Computational Logic
- Why and How computers use Binary
- RAM - RAM
uses charged
or uncharged
capacitors to
show it
- Hard Disk -
Hard Disks
use different
levels of
magnetism
- Optical Discs -
Uses whether
or not it
reflects light
- Solid States Drives use a flow of
electrons to show information
- We use binary to
store data in
smaller chunks
called bits.
- RAM - RAM
uses charged
or uncharged
capacitors to
show it
- Logic Gate Notation
- A AND B
- A OR B
- NOT A
- A AND B
- Logic Gates and
Truth Tables
- Basic Logic
Gates
- Truth Tables for
Basic Logic Gates
- AND Gate
- OR Gate
- NOT Gate
- AND Gate
- When creating a truth table:
Number of Rows needed =
2 ^ Number of Inputs
- Complex Logic Gates
- Basic Logic
Gates
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