View source for Tạo cổng cơ bản bằng cách ghép cổng NAND

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| '''Tên cổng ''' || '''Ghép cổng ''' || '''Cổng ghép ''' || '''Toán ''' 
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| [[Cổng nghịch]] || [[File:NOT from NAND.svg|100px]] || [[File:Logic-gate-inv-us.png|100px]] || <math>Q=\overline{A \cdot A}=\overline A</math>
|-
| [[Cổng thuận]] || <br>[[File:NOT from NAND.svg|100px]][[File:NOT from NAND.svg|100px]] || [[File:Buffer_ANSI_Labelled.svg|100px]] || <br><math>Q=\overline{\overline{A \cdot A}}= A</math>
|-
| [[Cổng NAND]] || <br> [[File:NAND_ANSI.svg|100px]] || <br>[[File:NAND_ANSI.svg|100px]] || <br><math>Q=\overline{A \cdot B}</math>
|-
| [[Cổng AND]] || <br>[[File:NAND_ANSI.svg|100px]][[File:NOT from NAND.svg|100px]] || <br>[[File:AND_ANSI_Labelled.svg|100px]]  || <br><math>Q=\overline{\overline{A \cdot B}}=A \cdot B</math>
|-
| [[Cổng OR]] || <br>[[File:OR from NAND.svg|200px]]       || <br>[[File:OR_ANSI_Labelled.svg|100px]] || <br><math>Q=\overline{(\overline{A \cdot A}) \cdot (\overline{B \cdot B})} = A + B</math>
|-
| [[ Cổng NOR]] || <br>[[File:OR from NAND.svg|200px]][[File:NOT from NAND.svg|100px]] || <br>[[File:NOR_ANSI.svg|100]] || <br><math>\overline{\overline{(\overline{A \cdot A}) \cdot (\overline{B \cdot B})}} = \overline{(\overline{A}) \cdot (\overline{ B})} = \overline{\overline A} + \overline{\overline B} =\overline{A} + \overline{B}</math>
|-
|}

[[Category:Ghép cổng ]]