Practice Step 5: Development (coding) (5.3.5) - App Development - ICSE 8 Computer Applications

Practice: Step 5: Development (Coding)

Lesson 5.3.5App Development

Practise this section

10 questions

Flashcard drill
5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What happens in the development step of making an app?
Show hintHide hint
It comes after planning, designing and choosing the platform.
Question 2.
What is an event in an app? Give two examples.
Show hintHide hint
Think of the actions a user performs on a phone screen.
3Question 3.
In MIT App Inventor, where do you build the app's logic?
- In the Designer view
- In the Blocks view
- In the Companion app
Show hintHide hint
The logic is made of blocks.
4Question 4.
Which block runs its instructions when the user taps Button1?
- when Button1.Click
- set Button1.Text to
- initialize global Button1
Show hintHide hint
Look for the block that starts with "when".
Question 5.
Plan the logic for a "Guess the Number" app in which the secret number is 7. When the Guess button is tapped, the app should say "Correct!" for 7, "Too low, try again." for smaller numbers and "Too high, try again." for larger ones. Describe the blocks and write a Python version.
Show hintHide hint
With three possible results, you need an "else if" between the "if" and the final "else".
Question 6.
A student's quiz app asks "Which planet is called the Red Planet?" but always shows "Try again", even when the user types Mars. The blocks compare AnswerBox.Text with "mars " (in small letters, with a space at the end). Find the bug and fix it.
Show hintHide hint
Computers compare text letter by letter, including capitals and spaces.

6 more questions in this section. Enroll free to practise them all.