☰ Contents · Computing

ListBox, ComboBox and SpinEdit

Lessons 55–56 · 2 lessons · N. I. Taylaqov (general editor), A. B. Akhmedov, M. D. Pardayeva, A. A. Abdug‘aniyev, U. M. Mirsanov. Informatics and Information Technologies, Grade 10, 1st edition. “Extremum-Press”, Tashkent, 2017
Answers are for parents and teachers.
1
Uzum costs 20000 so‘m/kg. What is the total for 3 kg of Uzum and 1 kg of Olma (12000)?
2
If 6 items are moved from a list of 15, how many remain?
3
After for i := 1 to 9 do ListBox1.Items.Add(IntToStr(i)); what is Items[4]?
4
Write two statements that set the smallest value of SpinEdit1 to 1 and the largest to 10.
5
Why is it useful to set MinValue and MaxValue on a SpinEdit?