App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 270 · 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.🔢 After an app is released, what comes right after “read user reviews”? (a) list what to fix (b) test it again (c) fix and improve (d) release an update
2. 2.⚙️ What number does this app show?
   let price = 550; // typed by the user
   let off = 20; // typed by the user
   let pay = price - off;
   show(pay);
3. 3.👥 A cricket club app has 280 players, 165 coaches and 45 fans as users. How many users does it have in all?
4. 4.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 245; // 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 4 (b) line 2 (c) line 1 (d) line 3
5. 5.⚙️ In an app, is speaking a command an input, processing or an output? (a) output (b) input (c) processing
6. 6.🔍 Which is the odd one out? (a) a spelling coach (b) a calculator (c) a unit converter (d) an alarm clock
7. 7.💡 Which app idea solves this problem: a patient misses doses? (a) a study-room finder (b) a bill splitter (c) a medicine reminder (d) a lost-and-found board
8. 8.🗒️ 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) an avatar shop
9. 9.True or false: a library due-date alert solves no real problem. (a) False (b) True
10. 10.True or false: you sketch the screens at the plan stage. (a) True (b) False
11. 11.💡 Does an app idea like a library due-date alert solve a real problem? (a) No (b) Yes
12. 12.📱 Where do people usually download phone apps from? (a) a charger (b) a web server (c) an app store (d) a printer
13. 13.🔢 After an app is released, which comes LAST? (a) test it again (b) read user reviews (c) fix and improve (d) release an update
14. 14.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [button] Send
    [text box] Name
    [slider] Volume
    [switch] Show hints
    [text box] Phone
    [text box] Age
15. 15.🗒️ What is a must-have feature? (a) a colour theme (b) a sound effect (c) a nice extra (d) one the app cannot skip
16. 16.True or false: the settings page is a screen. (a) True (b) False
17. 17.🗒️ A to-do app with no “add a task” feature is ___. (a) a nice extra (b) missing a must-have (c) ready to release (d) well planned
18. 18.🔍 Which is the odd one out? (a) share the download link (b) write the store text (c) spot a problem to solve (d) put it on an app store
19. 19.📅 An app team plans for 2 days, builds for 12 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
20. 20.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 19 votes
    forgetting birthdays: 4 votes
    no quiet study place: 10 votes (a) forgetting birthdays (b) no quiet study place (c) losing water bottles
21. 21.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “no quiet study place”?
    wasting pocket money: 10 votes
    forgetting homework: 16 votes
    no quiet study place: 3 votes
22. 22.🔍 Which is the odd one out? (a) typing your age (b) speaking a command (c) checking a password (d) tapping a button
23. 23.🎯 Is this a user need or a feature: a search bar? (a) a user need (b) a feature
24. 24.📅 An app team plans for 2 days, builds for 10 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
25. 25.🗒️ Version 1 of a bus tracker must be ready in 7 days. How many days are left for extras after the must-haves?
    see where the bus is: 1 days
    show arrival time: 1 days
    pick your bus stop: 4 days
26. 26.True or false: your saved notes is a button. (a) False (b) True
27. 27.True or false: a bus tracker is the best fit for a student who often misses the school bus. (a) True (b) False
28. 28.⚙️ In an app, is sorting the scores an input, processing or an output? (a) processing (b) input (c) output
29. 29.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 7 votes
    missing the bus: 16 votes
    forgetting birthdays: 11 votes
30. 30.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) pick a theme colour (c) earn stickers (d) see tasks by day
31. 31.🔍 Which is the odd one out? (a) a times-table quiz (b) a torch (c) a spelling coach (d) a flashcard trainer
32. 32.True or false: a unit converter is a tool app. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) typing your age (b) a pop-up message (c) tapping a button (d) speaking a command
34. 34.True or false: you list what users need at the plan stage. (a) False (b) True
35. 35.🔢 When you make an app, what comes right after “plan the screens”? (a) get an idea (b) release it (c) test the app (d) build the app
36. 36.True or false: a bill splitter solves no real problem. (a) True (b) False
37. 37.Which of these app ideas solves no real problem? (a) a lost-and-found board (b) an app that just says hi (c) a library due-date alert (d) a bill splitter
38. 38.🔢 When you make an app, which comes LAST? (a) test the app (b) get an idea (c) build the app (d) release it
39. 39.True or false: a racing challenge is a game. (a) False (b) True
40. 40.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [text box] Name
    [button] Next
    [text box] Notes
    [button] Cancel
    [button] Back
    [switch] Show hints
    [text box] Phone (a) Cancel (b) Phone (c) Name (d) Notes

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