I am sorry, I forgot to mention the author. I did it now. Sorry, I bet you feel dissapointed.
But the Window and Computer ones I found in my application folder
Retro Computer Icons
My first icon set!!!! I decided to do at least one icon set when I got the editor. I decided that these could be used in many places, so here you are. I also like the simplicity of retro icons. I found them on the internet:
Please give me more ideas because I could make more sets occasionally.