App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 598 · 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 of these is a feature? (a) a dark mode switch (b) “I keep missing the bus” (c) “I forget my homework” (d) “What should I cook?”
2. 2.Which of these is an input? (a) a buzz (vibration) (b) a result on screen (c) tapping a button (d) adding up a bill
3. 3.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) share your streak (c) custom alert sounds (d) see today’s total
4. 4.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 110; // typed by the user
   line 2: let off = 50; // 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
5. 5.True or false: a medicine reminder solves no real problem. (a) True (b) False
6. 6.Which of these is true of a website? (a) updates from the store (b) opens in a web browser (c) has a home-screen icon (d) comes from an app store
7. 7.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 395; // typed by the user
   line 2: let friends = 5; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 3 (b) line 4 (c) line 2 (d) line 1
8. 8.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a study-room finder (b) a bill splitter (c) a medicine reminder (d) a homework planner
9. 9.👥 A cricket club app has 70 players, 80 coaches and 170 fans as users. Which user group is the biggest? (a) fans (b) coaches (c) players
10. 10.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
11. 11.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) water animations (c) set a reminder time (d) log a glass of water
12. 12.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “missing the bus”?
    losing water bottles: 13 votes
    missing the bus: 9 votes
    forgetting birthdays: 14 votes
13. 13.💡 After a survey, which need should version 1 solve? (a) the most common need (b) the newest trend (c) a random need (d) the rarest need
14. 14.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [switch] Show hints
    [text box] Name
    [button] Send
    [button] Start
    [text box] Email
    [button] Cancel
15. 15.🔢 After an app is released, which comes FIRST? (a) test it again (b) list what to fix (c) fix and improve (d) read user reviews
16. 16.📅 An app team plans for 5 days, builds for 5 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
17. 17.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [switch] Remind me
    [text box] Subject
    [text box] Email
    [text box] Age
    [button] Save (a) Age (b) Subject (c) Save (d) Email
18. 18.⚙️ What number does this app show?
    let km = 10; // typed by the user
    let metres = km * 1000;
    show(metres);
19. 19.True or false: you draw the user flow at the build stage. (a) False (b) True
20. 20.Which of these is an output? (a) adding up a bill (b) a buzz (vibration) (c) checking a password (d) working out a tip
21. 21.⚙️ In an app, is a pop-up message an input, processing or an output? (a) output (b) processing (c) input
22. 22.True or false: sorting the scores is an output. (a) False (b) True
23. 23.🔢 When you make an app, which comes first: “release it” or “test the app”? (a) release it (b) test the app
24. 24.🔍 Which is the odd one out? (a) adding up a bill (b) taking a photo (c) sorting the scores (d) working out a tip
25. 25.🗒️ In MVP, the M stands for ___. (a) mobile (b) maximum (c) minimum (d) music
26. 26.True or false: a unit converter is a learning app. (a) False (b) True
27. 27.📱 Which one has a web address: an app or a website? (a) a website (b) an app
28. 28.Which of these is a button? (a) today’s step count (b) the home page of an app (c) tap to Send (d) the log-in page
29. 29.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “no quiet study place”?
    wasting pocket money: 24 votes
    forgetting homework: 11 votes
    no quiet study place: 9 votes
30. 30.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 10 votes
    wasting pocket money: 9 votes
    forgetting homework: 4 votes (a) forgetting homework (b) wasting pocket money (c) missing the bus
31. 31.🗒️ Why keep version 1 small? (a) to learn from users soon (b) to use up storage (c) to look bigger (d) to confuse users
32. 32.🧩 What do we call one full page of an app? (a) a screen (b) a cable (c) a variable (d) a battery
33. 33.🗒️ Version 1 of a water reminder must be ready in 19 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 4 days
    see today’s total: 5 days
34. 34.🗒️ What is a must-have feature? (a) a sound effect (b) a colour theme (c) one the app cannot skip (d) a nice extra
35. 35.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) export to a file (c) pie-chart colours (d) add money spent
36. 36.True or false: an app that just says hi solves a real problem. (a) False (b) True
37. 37.True or false: you spot a problem to solve at the test stage. (a) True (b) False
38. 38.🔢 When you make an app, which comes FIRST? (a) plan the screens (b) get an idea (c) release it (d) test the app
39. 39.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) earn stickers (c) add a homework task (d) pick a theme colour
40. 40.🗒️ Version 1 of a water reminder must be ready in 6 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

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