App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 244 · 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.🔢 When you make an app, which comes FIRST? (a) get an idea (b) build the app (c) release it (d) plan the screens
2. 2.⚙️ What number does this app show?
   let price = 430; // typed by the user
   let off = 30; // typed by the user
   let pay = price - off;
   show(pay);
3. 3.⚙️ What number does this app show?
   let km = 15; // typed by the user
   let metres = km * 1000;
   show(metres);
4. 4.⚙️ In an app, is tapping a button an input, processing or an output? (a) output (b) input (c) processing
5. 5.🗒️ What is a must-have feature? (a) a nice extra (b) a sound effect (c) one the app cannot skip (d) a colour theme
6. 6.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) check the answer (c) confetti effects (d) an avatar shop
7. 7.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting birthdays: 11 votes
   missing the bus: 8 votes
   forgetting homework: 18 votes (a) missing the bus (b) forgetting homework (c) forgetting birthdays
8. 8.True or false: you sketch the screens at the plan stage. (a) True (b) False
9. 9.💡 An app that tries to do everything at once is usually ___. (a) finished fast (b) very small (c) hard to use (d) easy to build
10. 10.Which of these app ideas solves no real problem? (a) a library due-date alert (b) a medicine reminder (c) a free study-room finder (d) a button with no action
11. 11.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) log a glass of water (c) water animations (d) see today’s total
12. 12.🗒️ Version 1 of a water reminder must be ready in 8 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: 5 days
13. 13.🔍 Which is the odd one out? (a) adding up a bill (b) sorting the scores (c) working out a tip (d) typing your age
14. 14.Which of these happens at the release stage? (a) try every button (b) sketch the screens (c) put it on an app store (d) connect the data
15. 15.🔍 Which is the odd one out? (a) a word battle (b) a racing challenge (c) a cricket run chase (d) a times-table quiz
16. 16.True or false: a website needs no installing. (a) False (b) True
17. 17.True or false: you talk to possible users at the idea stage. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) typing your age (b) taking a photo (c) speaking a command (d) adding up a bill
19. 19.🎯 Who are the users of an app? (a) the app icons (b) the people who use it (c) only the testers (d) only the coders
20. 20.🧩 In an app, what is a date picker? (a) an input (b) a button (c) data (d) a screen
21. 21.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 8 votes
    wasting pocket money: 12 votes
    losing water bottles: 10 votes (a) missing the bus (b) losing water bottles (c) wasting pocket money
22. 22.💡 How can you check that people really have the problem? (a) just guess (b) copy another app (c) pick a colour (d) ask possible users
23. 23.Which of these is a feature? (a) “I forget my homework” (b) “I keep missing the bus” (c) a reminder alarm (d) “What should I cook?”
24. 24.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) pick a theme colour (b) share tasks to friends (c) earn stickers (d) see tasks by day
25. 25.Which of these happens at the plan stage? (a) sketch the screens (b) write down the bugs (c) talk to possible users (d) spot a problem to solve
26. 26.🧩 Which input is best for typing your name? (a) a switch (b) a picture (c) a text box (d) a slider
27. 27.⚙️ What number does this app show?
    let bill = 90; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
28. 28.True or false: you talk to possible users at the test stage. (a) True (b) False
29. 29.⚙️ What number does this app show?
    let bill = 245; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
30. 30.📱 The word “app” is short for ___. (a) appointment (b) application (c) apparatus (d) appetite
31. 31.🛠️ At which stage do you talk to possible users? (a) the release stage (b) the test stage (c) the build stage (d) the idea stage
32. 32.True or false: today’s step count is data. (a) True (b) False
33. 33.True or false: tap to Send is a button. (a) True (b) False
34. 34.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Email
    [button] Help
    [slider] Brightness
    [button] Save
    [button] Done
35. 35.True or false: a box to type a name is a button. (a) False (b) True
36. 36.True or false: a step counter is a health app. (a) False (b) True
37. 37.🎯 Which app would help this user most: a parent waiting at the bus stop? (a) a recipe finder (b) a water reminder (c) a big-text reader (d) a bus tracker
38. 38.👥 A clinic app has 20 patients, 270 doctors and 205 nurses as users. How many users does it have in all?
39. 39.🔍 Which is the odd one out? (a) speaking a command (b) typing your age (c) a buzz (vibration) (d) tapping a button
40. 40.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [switch] Show hints
    [button] Back
    [button] Done
    [text box] Age

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