App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 328 · 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.🧩 Which input is best for choosing a volume level? (a) a text box (b) a switch (c) a slider (d) a title
2. 2.⚙️ In an app, is taking a photo an input, processing or an output? (a) processing (b) input (c) output
3. 3.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) pie-chart colours (b) export to a file (c) savings stickers (d) show the balance
4. 4.True or false: a big-text reader is the best fit for a student who keeps forgetting due dates. (a) False (b) True
5. 5.💡 Which app idea solves this problem: students cannot find a quiet room? (a) a bill splitter (b) a homework planner (c) a lost-and-found board (d) a study-room finder
6. 6.🧩 Which of these is a button on this screen?
   [title] Settings
   [button] Next
   [slider] Volume
   [text box] Age
   [switch] Remind me
   [text box] Email (a) Age (b) Next (c) Email (d) Remind me
7. 7.🧩 How many buttons does this app screen have?
   [title] New Note
   [text box] City
   [button] Start
   [button] Next
   [slider] Volume
   [button] Help
8. 8.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a feature (b) a user need
9. 9.True or false: you connect the data at the build stage. (a) True (b) False
10. 10.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a study-room finder (b) a lost-and-found board (c) a bill splitter (d) a medicine reminder
11. 11.💡 After a survey, which need should version 1 solve? (a) the rarest need (b) the most common need (c) a random need (d) the newest trend
12. 12.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] City
    [text box] Due date
    [button] Send
    [slider] Text size
13. 13.🔍 Which is the odd one out? (a) an alarm clock (b) a times-table quiz (c) a flashcard trainer (d) a spelling coach
14. 14.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 18 votes
    missing the bus: 24 votes
    wasting pocket money: 23 votes (a) wasting pocket money (b) missing the bus (c) forgetting homework
15. 15.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 4 votes
    losing water bottles: 6 votes
    forgetting birthdays: 15 votes (a) wasting pocket money (b) losing water bottles (c) forgetting birthdays
16. 16.Which of these app ideas solves a real problem? (a) a lost-and-found board (b) a button with no action (c) a page of random dots (d) a blank grey screen
17. 17.🧩 Which of these is a button on this screen?
    [title] New Note
    [text box] Phone
    [text box] Age
    [slider] Volume
    [button] Help (a) Phone (b) Help (c) Volume (d) Age
18. 18.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) rate the driver (c) a dark mode (d) see where the bus is
19. 19.👥 A clinic app has 205 patients, 40 doctors and 290 nurses as users. How many more patients than doctors are there?
20. 20.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 360; // typed by the user
    line 2: let off = 10; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 2 (b) line 4 (c) line 3 (d) line 1
21. 21.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 10; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
22. 22.🔍 Which is the odd one out? (a) pick the features (b) put it on an app store (c) draw the user flow (d) sketch the screens
23. 23.Which of these is an input? (a) the home page of an app (b) the log-in page (c) your friends list (d) a slider for volume
24. 24.📅 An app team plans for 3 days, builds for 9 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
25. 25.👥 A cricket club app has 235 players, 210 coaches and 90 fans as users. Which user group is the biggest? (a) fans (b) players (c) coaches
26. 26.True or false: adding up a bill is an input. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) checking a password (b) adding up a bill (c) tapping a button (d) working out a tip
28. 28.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 12; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
29. 29.⚙️ In an app, is a beep sound an input, processing or an output? (a) output (b) processing (c) input
30. 30.True or false: a free study-room finder solves a real problem. (a) True (b) False
31. 31.Which of these app ideas solves no real problem? (a) a free study-room finder (b) a page of random dots (c) a medicine reminder (d) a lost-and-found board
32. 32.🔢 When you make an app, which comes first: “test the app” or “release it”? (a) release it (b) test the app
33. 33.📱 Where do people usually download phone apps from? (a) a printer (b) a charger (c) a web server (d) an app store
34. 34.Which of these is true of a website? (a) is installed on a phone (b) opens in a web browser (c) comes from an app store (d) has a home-screen icon
35. 35.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) show a question (b) background music (c) confetti effects (d) an avatar shop
36. 36.⚙️ In an app, is tapping a button an input, processing or an output? (a) processing (b) output (c) input
37. 37.💡 Does an app idea like an app that just says hi solve a real problem? (a) Yes (b) No
38. 38.Which of these app ideas solves no real problem? (a) a lost-and-found board (b) a free study-room finder (c) a bill splitter (d) a blank grey screen
39. 39.True or false: the home page of an app is a screen. (a) False (b) True
40. 40.Which of these is true of a website? (a) is installed on a phone (b) has a home-screen icon (c) needs no installing (d) comes from an app store

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