What are the importance of switches in our electron device

Create a pseudocode design to prompt a student for their student id and the titles of the three classes they want to add. the solution should display the student’s id and a total bill. • bill a student using the following rules: o students can only add up to 3 classes at a time.

The keyboard usually has six rows of keys. which of the following is not one of the key group categories? letter keys number keys control keys graphic keys

Why do we mark tlc plates with pencil and not with pen