App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 435 · 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.📊 Survey: which problem bugs you most? How many students voted in all?
   wasting pocket money: 5 votes
   losing water bottles: 25 votes
   forgetting birthdays: 12 votes
2. 2.Which of these happens at the build stage? (a) spot a problem to solve (b) put it on an app store (c) write the store text (d) write the code
3. 3.Which of these is an input? (a) typing your age (b) a pop-up message (c) checking a password (d) a result on screen
4. 4.🗂️ What kind of app is a water reminder? (a) a tool app (b) a health app (c) a game (d) a learning app
5. 5.⚙️ In an app, is typing your age an input, processing or an output? (a) output (b) processing (c) input
6. 6.💡 After a survey, which need should version 1 solve? (a) a random need (b) the most common need (c) the rarest need (d) the newest trend
7. 7.🧩 Which input is best for turning something ON or OFF? (a) a slider (b) a title (c) a switch (d) a text box
8. 8.📱 Where do people usually download phone apps from? (a) a printer (b) a web server (c) an app store (d) a charger
9. 9.🧩 In an app, what is tap to Send? (a) an input (b) a button (c) data (d) a screen
10. 10.🔍 Which is the odd one out? (a) a times-table quiz (b) a water reminder (c) a spelling coach (d) a flashcard trainer
11. 11.🧩 How many buttons does this app screen have?
    [title] New Note
    [slider] Volume
    [text box] Phone
    [text box] Notes
    [button] Send
    [text box] Due date
    [button] Help
12. 12.📅 An app team plans for 3 days, builds for 4 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
13. 13.🧩 In an app, what is the game-over page? (a) an input (b) data (c) a button (d) a screen
14. 14.Which of these is an input? (a) tap to Send (b) a switch for dark mode (c) your high score (d) tap to go Next
15. 15.True or false: a bus tracker is the best fit for a runner who forgets to sip water. (a) True (b) False
16. 16.True or false: an alarm clock is a health app. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) a buzz (vibration) (b) a beep sound (c) checking a password (d) a pop-up message
18. 18.Which of these is true of a website? (a) comes from an app store (b) has a home-screen icon (c) has a web address (d) updates from the store
19. 19.🔢 After an app is released, which comes LAST? (a) fix and improve (b) release an update (c) test it again (d) read user reviews
20. 20.🛠️ At which stage do you write the store text? (a) the build stage (b) the plan stage (c) the release stage (d) the idea stage
21. 21.🗒️ Version 1 of a pocket-money tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    add money received: 3 days
    add money spent: 2 days
    show the balance: 5 days
22. 22.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 2; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 1 (b) line 3 (c) line 2
23. 23.👥 A school app has 35 students, 225 teachers and 160 parents as users. Which user group is the biggest? (a) teachers (b) parents (c) students
24. 24.🧩 In an app, what is the settings page? (a) an input (b) a button (c) data (d) a screen
25. 25.💡 Does an app idea like an app that just says hi solve a real problem? (a) No (b) Yes
26. 26.🎯 Why learn about users before you build? (a) to make it longer (b) to slow it down (c) to pick a logo (d) to build what they need
27. 27.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 15 votes
    forgetting homework: 13 votes
    wasting pocket money: 6 votes (a) forgetting homework (b) wasting pocket money (c) missing the bus
28. 28.🔢 After an app is released, what comes right after “read user reviews”? (a) release an update (b) fix and improve (c) test it again (d) list what to fix
29. 29.👥 A school app has 45 students, 105 teachers and 60 parents as users. Which user group is the biggest? (a) parents (b) teachers (c) students
30. 30.📅 An app team plans for 4 days, builds for 8 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
31. 31.📅 An app team plans for 3 days, builds for 5 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
32. 32.🗒️ When should nice-to-have features be built? (a) before anything (b) never (c) on day one (d) after the must-haves
33. 33.🧩 What does a button do when you tap it? (a) saves the battery (b) changes the phone (c) starts an action (d) shows the time
34. 34.Which of these is a feature? (a) a search bar (b) “I keep missing the bus” (c) “What should I cook?” (d) “Small text is hard”
35. 35.⚙️ What number does this app show?
    let bill = 36; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
36. 36.🔍 Which is the odd one out? (a) speaking a command (b) sorting the scores (c) typing your age (d) tapping a button
37. 37.💡 Does an app idea like a library due-date alert solve a real problem? (a) Yes (b) No
38. 38.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 3 votes
    no quiet study place: 19 votes
    forgetting homework: 14 votes (a) forgetting homework (b) forgetting birthdays (c) no quiet study place
39. 39.🗂️ What kind of app is a cricket run chase? (a) a game (b) a learning app (c) a health app (d) a tool app
40. 40.True or false: a puzzle with levels is a tool app. (a) False (b) True

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