App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 800 · 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.🎯 What is a user need? (a) a type of button (b) a problem a user has (c) a colour theme (d) a phone setting
2. 2.🔍 Which is the odd one out? (a) checking a password (b) working out a tip (c) typing your age (d) adding up a bill
3. 3.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting homework: 13 votes
   no quiet study place: 15 votes
   losing water bottles: 24 votes (a) forgetting homework (b) no quiet study place (c) losing water bottles
4. 4.⚙️ What number does this app show?
   let price = 100; // typed by the user
   let qty = 5; // typed by the user
   let total = price * qty;
   show(total);
5. 5.True or false: you write the code at the release stage. (a) False (b) True
6. 6.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
7. 7.🧩 How many buttons does this app screen have?
   [title] Add Homework
   [text box] Due date
   [text box] Age
   [button] Send
   [button] Start
   [text box] Subject
   [switch] Dark mode
8. 8.👥 A school app has 165 students, 50 teachers and 160 parents as users. Which user group is the biggest? (a) parents (b) students (c) teachers
9. 9.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 360; // typed by the user
   line 2: let off = 30; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 2 (b) line 4 (c) line 1 (d) line 3
10. 10.🗂️ What kind of app is a unit converter? (a) a learning app (b) a tool app (c) a health app (d) a game
11. 11.🗒️ Version 1 of a water reminder must be ready in 14 days. How many days are left for extras after the must-haves?
    set a reminder time: 2 days
    log a glass of water: 3 days
    see today’s total: 4 days
12. 12.🎯 Which app would help this user most: a teen whose money runs out by Friday? (a) a recipe finder (b) a homework planner (c) a pocket-money tracker (d) a water reminder
13. 13.🧩 Which input is best for choosing a volume level? (a) a title (b) a text box (c) a switch (d) a slider
14. 14.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “forgetting homework”?
    forgetting homework: 9 votes
    no quiet study place: 25 votes
    missing the bus: 22 votes
15. 15.🗒️ When should nice-to-have features be built? (a) on day one (b) before anything (c) never (d) after the must-haves
16. 16.📱 Which one opens from a link: an app or a website? (a) a website (b) an app
17. 17.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a feature (b) a user need
18. 18.True or false: a sleep tracker is a health app. (a) True (b) False
19. 19.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 70; // typed by the user
    line 2: let qty = 5; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 4 (b) line 2 (c) line 3 (d) line 1
20. 20.📅 An app team plans for 4 days, builds for 7 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
21. 21.🧩 In an app, what is a date picker? (a) a button (b) data (c) a screen (d) an input
22. 22.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) see today’s total (c) share your streak (d) log a glass of water
23. 23.True or false: a pop-up message is an input. (a) True (b) False
24. 24.📊 Survey: which problem bugs you most? How many students voted in all?
    no quiet study place: 3 votes
    forgetting homework: 8 votes
    wasting pocket money: 5 votes
25. 25.Which of these is an input? (a) a buzz (vibration) (b) a pop-up message (c) a result on screen (d) tapping a button
26. 26.True or false: a recipe finder is the best fit for a teen learning to make snacks. (a) True (b) False
27. 27.Which of these is an input? (a) working out a tip (b) a result on screen (c) typing your age (d) a buzz (vibration)
28. 28.🛠️ At which stage do you write the store text? (a) the test stage (b) the idea stage (c) the release stage (d) the build stage
29. 29.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [button] Cancel
    [switch] Sound
    [text box] Due date
    [slider] Text size
    [text box] Notes
    [text box] Phone
30. 30.📅 An app team plans for 2 days, builds for 9 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
31. 31.📅 An app team plans for 2 days, builds for 4 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
32. 32.💡 Does an app idea like a blank grey screen solve a real problem? (a) No (b) Yes
33. 33.Which of these is true of a website? (a) is installed on a phone (b) comes from an app store (c) updates from the store (d) opens from a link
34. 34.📅 An app team plans for 5 days, builds for 8 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
35. 35.🎯 Who are the users of an app? (a) only the testers (b) only the coders (c) the people who use it (d) the app icons
36. 36.📲 What happens when you tap an app’s icon? (a) the app is deleted (b) the app opens (c) the sound turns off (d) the phone charges
37. 37.True or false: an app is installed on a phone. (a) True (b) False
38. 38.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Done
    [text box] City
    [button] Help
    [switch] Sound
    [button] Next
    [text box] Due date
    [text box] Age
39. 39.🔍 Which is the odd one out? (a) an alarm clock (b) a flashcard trainer (c) a torch (d) a unit converter
40. 40.👥 A clinic app has 135 patients, 185 doctors and 215 nurses as users. How many users does it have in all?

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students