Your assessment task is very simple. Simply complete each part of your build a computer slides. Include as much detail as you can. Then focus on ensuring the layout and presentation is consistent and follows the key design principles.
You can use the against the assessment schedule to check that you have met all the requirements for Achieved, Merit, or Excellence.
To submit your completed, find the "Build a computer system Assessment" in Google Classroom.
Select "Add or Create"
Select "Google Drive"
Find your file
Click Submit
This also contains a copy of the assessment schedule.
Check that your computer functions as it's supposed to.
If not, work through the process of troubleshooting.