diff --git a/education/computer engineering/ECE2700/Binary Logic.md b/education/computer engineering/ECE2700/Binary Logic.md
index 13a6297..96c8375 100644
--- a/education/computer engineering/ECE2700/Binary Logic.md	
+++ b/education/computer engineering/ECE2700/Binary Logic.md	
@@ -1,7 +1,7 @@
 
 ![](./assets/logic-gates.jpeg)
 # NOT Gate
-A binary NOT gate has a single input, and inverts that input.
+A binary NOT gate has a single input, and inverts that input (output is not the input).
 
 ## Truth Table
 | $x$ | $y$ |
@@ -12,7 +12,7 @@ A binary NOT gate has a single input, and inverts that input.
 A NOT operation is mathematically expressed using a bar:
 $$ y = \bar{x} $$
 # AND Gate
-An AND gate will only output a 1 if *both* inputs are a one.
+An AND gate will only output a 1 if *both* inputs are a one (input one *and* input two are enabled).
 
 ## Truth Table
 | $x_1$ | $x_2$ | $y$ |
@@ -26,7 +26,7 @@ An AND operation is mathematically expressed using a times symbol, or with no sy
 $$ y = x_1 \cdot x_2 = x_1x_2$$
 
 # NAND Gate
-A NAND gate outputs a 1 *unless* both inputs are enabled.
+A NAND gate outputs a 1 *unless* both inputs are enabled (input one *and* input two are *not* enabled).
 
 ## Truth Table
 | $x_1$ | $x_2$ | $y$ |
@@ -41,7 +41,7 @@ $$ y = \overline{x_1 \cdot x_2}$$
 
 
 # OR Gate
-An OR gate outputs a 1 if either or both inputs are enabled.
+An OR gate outputs a 1 if either or both inputs are enabled (if input one *or* input two is enabled).
 ## Truth Table
 | $x_1$ | $x_2$ | $y$ |
 | ----- | ----- | --- |
@@ -53,3 +53,6 @@ An OR gate outputs a 1 if either or both inputs are enabled.
 A mathematical OR is notated with a $+$ symbol.
 
 $$ y = x_1 + x_2 $$
+# NOR Gate
+A NOR gate outputs a one if neither gate is enabled.
+