App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 95 · 40 questions

Developer's tip (Name the topic): First decide which topic the question is about. Use that lesson’s rule: count, order, match or work it out. Read every line of a screen or a code snippet before you answer.

1. 1.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “forgetting homework”?
   forgetting homework: 4 votes
   forgetting birthdays: 8 votes
   wasting pocket money: 19 votes
2. 2.True or false: a date picker is a button. (a) True (b) False
3. 3.🔢 After an app is released, which comes LAST? (a) read user reviews (b) release an update (c) fix and improve (d) list what to fix
4. 4.Which of these is a user need? (a) “What should I cook?” (b) a dark mode switch (c) a reminder alarm (d) a search bar
5. 5.💡 How can you check that people really have the problem? (a) copy another app (b) just guess (c) ask possible users (d) pick a colour
6. 6.True or false: speaking a command is an output. (a) False (b) True
7. 7.🗒️ Version 1 of a water reminder must be ready in 7 days. How many days are left for extras after the must-haves?
   set a reminder time: 2 days
   log a glass of water: 1 days
   see today’s total: 2 days
8. 8.⚙️ What number does this app show?
   let km = 6; // typed by the user
   let metres = km * 1000;
   show(metres);
9. 9.True or false: you try every button at the test stage. (a) False (b) True
10. 10.🛠️ At which stage do you add the buttons? (a) the test stage (b) the idea stage (c) the build stage (d) the plan stage
11. 11.True or false: a times-table quiz is a learning app. (a) False (b) True
12. 12.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show the score (b) show a question (c) check the answer (d) confetti effects
13. 13.💡 Which app idea solves this problem: friends argue over who pays? (a) a homework planner (b) a medicine reminder (c) a lost-and-found board (d) a bill splitter
14. 14.👥 A clinic app has 190 patients, 180 doctors and 160 nurses as users. How many more doctors than nurses are there?
15. 15.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) see where the bus is (b) a dark mode (c) pick your bus stop (d) show arrival time
16. 16.🧩 How many buttons does this app screen have?
    [title] Settings
    [button] Done
    [button] Send
    [text box] Email
    [text box] Subject
17. 17.💡 Which app idea solves this problem: a patient misses doses? (a) a bill splitter (b) a homework planner (c) a medicine reminder (d) a study-room finder
18. 18.True or false: your high score is data. (a) False (b) True
19. 19.💡 Does an app idea like a bill splitter solve a real problem? (a) No (b) Yes
20. 20.🗂️ What kind of app is a racing challenge? (a) a health app (b) a game (c) a tool app (d) a learning app
21. 21.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 510; // typed by the user
    line 2: let off = 40; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 4 (b) line 3 (c) line 2 (d) line 1
22. 22.⚙️ What number does this app show?
    let price = 60; // typed by the user
    let qty = 6; // typed by the user
    let total = price * qty;
    show(total);
23. 23.True or false: you write down the bugs at the idea stage. (a) False (b) True
24. 24.🛠️ At which stage do you sketch the screens? (a) the plan stage (b) the test stage (c) the build stage (d) the release stage
25. 25.🔢 When you make an app, which comes FIRST? (a) get an idea (b) release it (c) plan the screens (d) test the app
26. 26.🔍 Which is the odd one out? (a) a beep sound (b) sorting the scores (c) working out a tip (d) checking a password
27. 27.🔍 Which is the odd one out? (a) a water reminder (b) a step counter (c) a sleep tracker (d) a puzzle with levels
28. 28.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
29. 29.⚙️ What number does this app show?
    let km = 9; // typed by the user
    let metres = km * 1000;
    show(metres);
30. 30.🗂️ What kind of app is a unit converter? (a) a game (b) a health app (c) a learning app (d) a tool app
31. 31.👥 A school app has 275 students, 105 teachers and 50 parents as users. Which user group is the biggest? (a) parents (b) students (c) teachers
32. 32.🔍 Which is the odd one out? (a) a beep sound (b) working out a tip (c) a result on screen (d) a buzz (vibration)
33. 33.👥 A cricket club app has 45 players, 20 coaches and 190 fans as users. How many more fans than players are there?
34. 34.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) pick a theme colour (c) set a due date (d) add a homework task
35. 35.🧩 Which input is best for turning something ON or OFF? (a) a slider (b) a text box (c) a switch (d) a title
36. 36.🔢 When you make an app, what comes right after “plan the screens”? (a) test the app (b) build the app (c) get an idea (d) release it
37. 37.🧩 Scores, notes and settings that an app keeps are called ___. (a) tabs (b) buttons (c) screens (d) data
38. 38.True or false: speaking a command is processing. (a) False (b) True
39. 39.🧩 What do we call one full page of an app? (a) a cable (b) a variable (c) a screen (d) a battery
40. 40.True or false: a blank grey screen solves no real problem. (a) False (b) True

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students