App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 501 · 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.🧩 How many buttons does this app screen have?
   [title] Edit Profile
   [switch] Show hints
   [text box] Phone
   [text box] Name
   [button] Start
   [text box] Email
2. 2.True or false: an app has a home-screen icon. (a) False (b) True
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 80; // 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 2 (b) line 4 (c) line 1 (d) line 3
4. 4.Which of these is true of an app? (a) needs no installing (b) has a home-screen icon (c) opens from a link (d) opens in a web browser
5. 5.🔢 When you make an app, which comes first: “release it” or “get an idea”? (a) get an idea (b) release it
6. 6.🔢 When you make an app, which comes FIRST? (a) release it (b) get an idea (c) test the app (d) plan the screens
7. 7.⚙️ In an app, is a beep sound an input, processing or an output? (a) processing (b) output (c) input
8. 8.Which of these is true of a website? (a) opens from a link (b) updates from the store (c) has a home-screen icon (d) comes from an app store
9. 9.💡 Does an app idea like a button with no action solve a real problem? (a) No (b) Yes
10. 10.🔍 Which is the odd one out? (a) try every button (b) write the code (c) write down the bugs (d) let friends try it
11. 11.True or false: a spelling coach is a learning app. (a) True (b) False
12. 12.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [text box] City
    [text box] Age
    [button] Start
    [button] Cancel
    [button] Send (a) Start (b) City (c) Age
13. 13.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a bus tracker (b) a homework planner (c) a pocket-money tracker (d) a water reminder
14. 14.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 560; // typed by the user
    line 2: let off = 40; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 4 (b) line 2 (c) line 1 (d) line 3
15. 15.Which of these is processing? (a) speaking a command (b) checking a password (c) taking a photo (d) a pop-up message
16. 16.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) share tasks to friends (b) set a due date (c) add a homework task (d) see tasks by day
17. 17.True or false: a big-text reader is the best fit for a cook with no idea for dinner. (a) True (b) False
18. 18.🧩 How many buttons does this app screen have?
    [title] Settings
    [text box] City
    [text box] Name
    [slider] Volume
    [button] Done
    [button] Help
    [text box] Due date
19. 19.🔍 Which is the odd one out? (a) a unit converter (b) a calculator (c) a torch (d) a puzzle with levels
20. 20.🔍 Which is the odd one out? (a) checking a password (b) adding up a bill (c) sorting the scores (d) a result on screen
21. 21.⚙️ What number does this app show?
    let price = 30; // typed by the user
    let qty = 2; // typed by the user
    let total = price * qty;
    show(total);
22. 22.Which of these is a feature? (a) “What should I cook?” (b) a reminder alarm (c) “I forget my homework” (d) “I keep missing the bus”
23. 23.🔍 Which is the odd one out? (a) checking a password (b) tapping a button (c) speaking a command (d) taking a photo
24. 24.Which of these happens at the build stage? (a) talk to possible users (b) let friends try it (c) write down the bugs (d) connect the data
25. 25.👥 A school app has 270 students, 30 teachers and 175 parents as users. How many more students than parents are there?
26. 26.Which of these is an input? (a) working out a tip (b) a result on screen (c) speaking a command (d) checking a password
27. 27.🔢 After an app is released, which comes first: “list what to fix” or “release an update”? (a) list what to fix (b) release an update
28. 28.👥 A clinic app has 70 patients, 130 doctors and 40 nurses as users. How many more doctors than nurses are there?
29. 29.💡 Which app idea solves this problem: bottles go missing at school? (a) a bill splitter (b) a medicine reminder (c) a homework planner (d) a lost-and-found board
30. 30.🗂️ What kind of app is a step counter? (a) a health app (b) a tool app (c) a game (d) a learning app
31. 31.🔍 Which is the odd one out? (a) a puzzle with levels (b) a times-table quiz (c) a cricket run chase (d) a racing challenge
32. 32.🎯 Is this a user need or a feature: a search bar? (a) a user need (b) a feature
33. 33.🎯 Which app would help this user most: a runner who forgets to sip water? (a) a recipe finder (b) a pocket-money tracker (c) a homework planner (d) a water reminder
34. 34.⚙️ What number does this app show?
    let km = 8; // typed by the user
    let metres = km * 1000;
    show(metres);
35. 35.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [button] Cancel
    [text box] Name (a) Cancel (b) Name
36. 36.📱 Which one opens in a web browser: an app or a website? (a) a website (b) an app
37. 37.🗒️ Version 1 of a water reminder must be ready in 11 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: 5 days
38. 38.🧩 In an app, what is a slider for volume? (a) a screen (b) an input (c) data (d) a button
39. 39.📅 An app team plans for 5 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?
40. 40.True or false: a times-table quiz is a game. (a) True (b) False

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