App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 676 · 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.True or false: the game-over page is an input. (a) False (b) True
2. 2.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) background music (c) check the answer (d) confetti effects
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 300; // 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 3 (b) line 4 (c) line 2 (d) line 1
4. 4.💡 Which app idea solves this problem: pupils forget due dates? (a) a medicine reminder (b) a bill splitter (c) a homework planner (d) a lost-and-found board
5. 5.💡 Which app idea solves this problem: a team shares one snack bill? (a) a lost-and-found board (b) a bill splitter (c) a medicine reminder (d) a study-room finder
6. 6.📅 An app team plans for 5 days, builds for 10 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
7. 7.🧩 How many buttons does this app screen have?
   [title] Edit Profile
   [text box] Phone
   [slider] Text size
   [button] Send
   [text box] Notes
8. 8.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “wasting pocket money”?
   missing the bus: 22 votes
   wasting pocket money: 19 votes
   losing water bottles: 16 votes
9. 9.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Settings
   [text box] City
   [switch] Remind me
   [button] Next
   [text box] Name
   [text box] Subject
10. 10.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “wasting pocket money”?
    missing the bus: 20 votes
    forgetting homework: 13 votes
    wasting pocket money: 12 votes
11. 11.💡 Does an app idea like a lost-and-found board solve a real problem? (a) No (b) Yes
12. 12.🛠️ At which stage do you sketch the screens? (a) the build stage (b) the plan stage (c) the release stage (d) the idea stage
13. 13.🔍 Which is the odd one out? (a) add the buttons (b) connect the data (c) write the code (d) sketch the screens
14. 14.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Subject
    [text box] Phone
    [button] Next
    [button] Start
    [text box] Due date
15. 15.🧩 Which input is best for choosing a volume level? (a) a switch (b) a text box (c) a slider (d) a title
16. 16.Which of these is a button? (a) your friends list (b) tap to Send (c) the settings page (d) your saved notes
17. 17.Which of these app ideas solves no real problem? (a) a free study-room finder (b) a button with no action (c) a bill splitter (d) a lost-and-found board
18. 18.Which of these is an input? (a) speaking a command (b) a pop-up message (c) sorting the scores (d) checking a password
19. 19.📅 An app team plans for 2 days, builds for 4 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
20. 20.📅 An app team plans for 2 days, builds for 8 days, tests for 3 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
21. 21.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [text box] Subject
    [switch] Sound
    [button] Done
    [button] Next
    [button] Start
22. 22.🔍 Which is the odd one out? (a) a times-table quiz (b) a spelling coach (c) a word battle (d) a flashcard trainer
23. 23.⚙️ What number does this app show?
    let km = 7; // typed by the user
    let metres = km * 1000;
    show(metres);
24. 24.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
25. 25.🧩 In an app, what is tap to go Next? (a) data (b) a button (c) an input (d) a screen
26. 26.👥 A school app has 165 students, 30 teachers and 50 parents as users. Which user group is the biggest? (a) students (b) teachers (c) parents
27. 27.📱 The word “app” is short for ___. (a) appetite (b) appointment (c) application (d) apparatus
28. 28.⚙️ What number does this app show?
    let bill = 290; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
29. 29.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 11 votes
    no quiet study place: 4 votes
    wasting pocket money: 8 votes
30. 30.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [text box] Name
    [switch] Sound
    [text box] Due date
    [slider] Volume
    [text box] Subject
    [button] Back
31. 31.🔢 When you make an app, which comes first: “get an idea” or “test the app”? (a) get an idea (b) test the app
32. 32.🔢 When you make an app, what comes right after “build the app”? (a) get an idea (b) test the app (c) plan the screens (d) release it
33. 33.🧩 How many buttons does this app screen have?
    [title] New Note
    [text box] Email
    [slider] Volume
    [button] Help
    [button] Back
34. 34.👥 A cricket club app has 245 players, 205 coaches and 225 fans as users. How many more fans than coaches are there?
35. 35.Which of these happens at the release stage? (a) list what users need (b) put it on an app store (c) connect the data (d) let friends try it
36. 36.True or false: a homework planner is the best fit for a gamer who forgets to drink. (a) True (b) False
37. 37.True or false: a website has a home-screen icon. (a) True (b) False
38. 38.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) show arrival time (c) a dark mode (d) rate the driver
39. 39.🧩 What does a button do when you tap it? (a) changes the phone (b) shows the time (c) saves the battery (d) starts an action
40. 40.True or false: typing your age is processing. (a) True (b) False

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