vault backup: 2022-07-23 23:34:15

content/notes/03-sequential-logic-circuits.md

@@ -3,6 +3,10 @@ title: "03-sequential-logic-circuits"
 aliases: 
 tags: 
 - cosc204
+- lecture
+sr-due: 2022-07-26
+sr-interval: 3
+sr-ease: 250
 ---
 
 comb log. circuits always produce the same output with the same inputs

content/notes/04-computer-architecture.md

@@ -3,6 +3,10 @@ title: "04-computer-architecture"
 aliases: 
 tags: 
 - cosc204
+- lecture
+sr-due: 2022-07-26
+sr-interval: 3
+sr-ease: 250
 ---
 
 
@@ -124,4 +128,10 @@ Special purpose registers
 	- data and instructions are stored in a single read-write memory
 	- contents of memory are addressable by location, without regard to the type of data contained
 	- execution occurs in a sequential fashion, unless explicitly altered, from one instuction to the next
-	- 
+- programs and data are the same thing
+	- and so its possible to write soure code (data) and comile them into executables (programs) that can be loaded as data and then executed as programs
+
+# Early computers
+![motorola MC6809 CPU](https://i.imgur.com/yq74Ops.png)
+![circuit diagram for 6809](https://i.imgur.com/41F0tnH.png)
+

content/notes/cosc-204.md

@@ -34,7 +34,7 @@ tags:
 - [01-bits-and-bytes](notes/01-bits-and-bytes.md)
 - [02-combinatorial-logic](notes/02-combinatorial-logic.md)
 - [03-sequential-logic-circuits](notes/03-sequential-logic-circuits.md)
-
+- [04-computer-architecture](notes/04-computer-architecture.md)
 
 # Archive