diff --git a/.DS_Store b/.DS_Store
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diff --git a/Excercise-0.6.png b/Excercise-0.6.png
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diff --git a/Exercise 0.5 b/Exercise 0.5
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--- /dev/null
+++ b/Exercise 0.5	
@@ -0,0 +1,3 @@
+browser->server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/spa.
+server-->browser: HTML-code
+end note
\ No newline at end of file
diff --git a/Exercise 0.6 b/Exercise 0.6
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+++ b/Exercise 0.6	
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+browser->server: HTTP POST https://studies.cs.helsinki.fi/exampleapp/spa.
+server-->browser: HTTP status code 302
+browser->server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/spa./main.css
+server-->browser: main.css
+browser->server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/spa./main.js
+server-->browser: main.js
+browser->server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/spa./json
+server-->browser: main.js
+browser->server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/spa./data.json
+server-->browser: [{...},{...},{...}]
+end note
\ No newline at end of file
diff --git a/Exercise 01 b/Exercise 01
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--- /dev/null
+++ b/Exercise 01	
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+browser->server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/notes
+server-->browser: HTML-code
+browser->server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/main.css
+server-->browser: main.css
+browser->server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/main.js
+server-->browser: main.js
+​
+note over browser:
+browser starts executing js-code
+that requests JSON data from server 
+end note
+​
+browser->server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/data.json
+server-->browser: [{ content: "HTML is easy", date: "2019-05-23" }, ...]
+​
+note over browser:
+browser executes the event handler
+that renders notes to display
+end note
\ No newline at end of file
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diff --git a/Exercise-01.png b/Exercise-01.png
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