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GCSE Coursework B4 - Build and Test the I/O Subsystems

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GCSE Coursework:
Intro
A1
A2
A3a
A3b
A4
A5
A6
A7
B1
B2
B3
B4
B5
B6
B7
C1
C2
C3
C4
C5
D1
D2
D3

B4
Provide evidence that an input/output subsystem works independently.
Give full detail of how the system works and the test/s done.

In this section of your report there should be ...

A circuit diagram of the input or output subsystem.
A close-up photo of what you built.
An explanation of how it works.
Testing of this subsystem on its own.
A record of the input measurement/s and the test equipment used.
A record of the output measurement/s and the test equipment used.
A statement based on your measurements of whether it worked properly or not.

Here is an example ...

Example Work for B4

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