Graphics, animation and the final test
Answers are for parents and teachers.
1
With dx = 6 and Interval = 50, how many pixels does the ball move horizontally in one second?
120
2
A loading bar must reach 250 pixels with a step of 5 and Interval = 100. How many seconds?
5
3
The votes are 4, 3, 2, 3 (12 in all). What must the sum of the angles be and what is the first angle?
360° and 4·360/12 = 120°
4
Write the 3 hardest topics of the Delphi chapter and invent one exercise for each.
The answer is personal: for example type conversion, the parameters of Pie, Timer calculations.
5
What safety rule do you follow when installing Delphi (or Lazarus) and choosing a free alternative?
Install only from the official site with an adult or the school IT person; do not use cracked copies.