App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 805 · 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.💡 How can you check that people really have the problem? (a) just guess (b) ask possible users (c) pick a colour (d) copy another app
2. 2.Which of these is a user need? (a) a share button (b) a dark mode switch (c) a reminder alarm (d) “What should I cook?”
3. 3.🗂️ What kind of app is a step counter? (a) a game (b) a tool app (c) a learning app (d) a health app
4. 4.⚙️ What number does this app show?
   let price = 90; // typed by the user
   let qty = 5; // typed by the user
   let total = price * qty;
   show(total);
5. 5.⚙️ What number does this app show?
   let bill = 118; // typed by the user
   let friends = 2; // typed by the user
   let share = bill / friends;
   show(share);
6. 6.🗒️ Why keep version 1 small? (a) to use up storage (b) to confuse users (c) to look bigger (d) to learn from users soon
7. 7.🔢 When you make an app, which comes FIRST? (a) plan the screens (b) build the app (c) release it (d) get an idea
8. 8.True or false: a lost-and-found board solves a real problem. (a) False (b) True
9. 9.🧩 In an app, what is the settings page? (a) a screen (b) a button (c) data (d) an input
10. 10.Which of these is a button? (a) a date picker (b) your friends list (c) a switch for dark mode (d) tap to Send
11. 11.True or false: a big-text reader is the best fit for a grandparent with weak eyesight. (a) False (b) True
12. 12.Which of these is data? (a) tap to Save (b) the game-over page (c) the settings page (d) your saved notes
13. 13.🔢 When you make an app, what comes right after “get an idea”? (a) test the app (b) plan the screens (c) build the app (d) release it
14. 14.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [text box] City
    [button] Cancel
    [switch] Sound
    [button] Done
    [slider] Volume (a) Sound (b) Volume (c) City (d) Cancel
15. 15.🔍 Which is the odd one out? (a) connect the data (b) spot a problem to solve (c) list what users need (d) talk to possible users
16. 16.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 138; // typed by the user
    line 2: let friends = 2; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 4 (b) line 2 (c) line 1 (d) line 3
17. 17.True or false: tap to go Next is a button. (a) False (b) True
18. 18.🗒️ Version 1 of a quiz app must be ready in 8 days. How many days are left for extras after the must-haves?
    show a question: 2 days
    check the answer: 2 days
    show the score: 4 days
19. 19.True or false: a website has a home-screen icon. (a) False (b) True
20. 20.👥 A clinic app has 85 patients, 210 doctors and 180 nurses as users. Which user group is the biggest? (a) doctors (b) patients (c) nurses
21. 21.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) log a glass of water (b) see today’s total (c) share your streak (d) set a reminder time
22. 22.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Start
    [text box] Due date
    [text box] Phone
    [switch] Dark mode
    [text box] Notes
    [slider] Brightness
23. 23.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [switch] Dark mode
    [button] Help
    [text box] Phone
24. 24.📱 The word “app” is short for ___. (a) apparatus (b) appetite (c) appointment (d) application
25. 25.🧩 What does a button do when you tap it? (a) changes the phone (b) saves the battery (c) starts an action (d) shows the time
26. 26.True or false: a pocket-money tracker is the best fit for a child saving up for a cycle. (a) False (b) True
27. 27.🗒️ Version 1 of a pocket-money tracker must be ready in 8 days. How many days are left for extras after the must-haves?
    add money received: 1 days
    add money spent: 4 days
    show the balance: 3 days
28. 28.Which of these is an input? (a) checking a password (b) a beep sound (c) working out a tip (d) tapping a button
29. 29.⚙️ What number does this app show?
    let km = 2; // typed by the user
    let metres = km * 1000;
    show(metres);
30. 30.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [text box] Notes
    [button] Cancel
    [slider] Volume
    [text box] Name
    [text box] Phone
    [switch] Sound (a) Phone (b) Name (c) Cancel (d) Notes
31. 31.🛠️ At which stage do you let friends try it? (a) the idea stage (b) the test stage (c) the plan stage (d) the build stage
32. 32.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 3 votes
    missing the bus: 25 votes
    losing water bottles: 9 votes (a) missing the bus (b) forgetting homework (c) losing water bottles
33. 33.⚙️ What number does this app show?
    let price = 15; // typed by the user
    let qty = 4; // typed by the user
    let total = price * qty;
    show(total);
34. 34.Which of these is a feature? (a) “I keep missing the bus” (b) “I forget my homework” (c) a share button (d) “Small text is hard”
35. 35.👥 A clinic app has 245 patients, 150 doctors and 270 nurses as users. How many users does it have in all?
36. 36.⚙️ In an app, is checking a password an input, processing or an output? (a) output (b) input (c) processing
37. 37.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) check the answer (c) background music (d) confetti effects
38. 38.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [button] Done
    [button] Back
    [text box] Age
    [slider] Brightness (a) Brightness (b) Done (c) Age
39. 39.🔢 When you make an app, which comes first: “test the app” or “get an idea”? (a) get an idea (b) test the app
40. 40.🎯 Who are the users of an app? (a) only the testers (b) the people who use it (c) only the coders (d) the app icons

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