QUESTION 9 3 points Save What is it called when the source code is available to the general public for use and/or modification to its original design, all free of charge? O A Shareware OB. Public-domain software OC Open-source software D. Freeware 3 points Save QUESTION 10 How do online test platforms help students assess their current skill level? A Technology changes the way studens thk OB Feedback, measuring students' performance OC.This type of drill is more exciting than a worksheet and engages the OD. A means of communicating with other students on their level of mastery student with some "bells and whistles