diff --git a/docs/Public/Tech/Hardware/Computer Architecture/semiconductor.md b/docs/Public/Tech/Hardware/Computer Architecture/semiconductor.md
index e69de29bb..1afefab81 100644
--- a/docs/Public/Tech/Hardware/Computer Architecture/semiconductor.md	
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@@ -0,0 +1,3 @@
+A *semiconductor* is a material that conducts [[electricity]] under certain conditions and blocks it in other conditions. [^1]
+
+[^1]: https://news.stanford.edu/stories/2023/09/stanford-explainer-semiconductors
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diff --git a/docs/Public/Tech/Hardware/Computer/SoC.md b/docs/Public/Tech/Hardware/Computer/SoC.md
new file mode 100644
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+A *system on a chip*, or *SoC*, is an [[integrated circuit]] that integrates most or all components of a [[computer]] or electronic system. [^1] 
+
+It is like a [[microcontroller]], but with some more advanced components like a [[GPU]], [[Wi-Fi]], and more coprocessors ([[coprocessor]]).  
+
+[^1]: https://en.wikipedia.org/wiki/System_on_a_chip
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diff --git a/docs/Public/Tech/Hardware/Computer/integrated circuit.md b/docs/Public/Tech/Hardware/Computer/integrated circuit.md
new file mode 100644
index 000000000..f91e00486
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+++ b/docs/Public/Tech/Hardware/Computer/integrated circuit.md	
@@ -0,0 +1,3 @@
+An *integrated circuit*, or *IC*, is a small electronic device ([[hardware]]) made up of multiple electronic components such as transistors ([[transistor]]), resistors, and capacitors. These components are etched onto [[semiconductor]]. [^1]
+
+[^1]: https://en.wikipedia.org/wiki/Integrated_circuit
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diff --git a/docs/Public/Tech/Hardware/Computer/microcontroller.md b/docs/Public/Tech/Hardware/Computer/microcontroller.md
new file mode 100644
index 000000000..c100719f9
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+++ b/docs/Public/Tech/Hardware/Computer/microcontroller.md
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+A *microcontroller* is a small [[computer]] on a single [[integrated circuit]]. 
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diff --git a/docs/Public/Tech/Hardware/Computer/single-board computer.md b/docs/Public/Tech/Hardware/Computer/single-board computer.md
new file mode 100644
index 000000000..29d2fb73b
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+++ b/docs/Public/Tech/Hardware/Computer/single-board computer.md	
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+A *single-board computer*, or *SBC*, is a complete [[computer]] built on a single circuit board ([[printed circuit board]]), with a microprocessor ([[processor]]), [[memory]], [[]], and other features of a computer. 
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