App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 684 · 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.🧩 Which of these is a button on this screen?
   [title] New Note
   [text box] Notes
   [button] Next
   [button] Help
   [text box] Name
   [slider] Volume
   [text box] Age (a) Age (b) Notes (c) Help (d) Name
2. 2.📱 Where do people usually download phone apps from? (a) a web server (b) a charger (c) an app store (d) a printer
3. 3.🛠️ At which stage do you connect the data? (a) the build stage (b) the test stage (c) the plan stage (d) the release stage
4. 4.📱 The word “app” is short for ___. (a) appetite (b) appointment (c) application (d) apparatus
5. 5.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) a dark mode (b) rate the driver (c) change the bus icon (d) see where the bus is
6. 6.🔢 When you make an app, what comes right after “get an idea”? (a) test the app (b) plan the screens (c) build the app (d) release it
7. 7.💡 Which app idea solves this problem: a team shares one snack bill? (a) a study-room finder (b) a homework planner (c) a bill splitter (d) a lost-and-found board
8. 8.🔢 When you make an app, what comes right after “test the app”? (a) release it (b) plan the screens (c) get an idea (d) build the app
9. 9.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Sign Up
   [text box] Age
   [button] Back
   [switch] Sound
   [button] Done
10. 10.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Next
    [switch] Dark mode
    [text box] Phone
    [text box] Email
    [slider] Brightness
    [text box] City
11. 11.🧩 How many buttons does this app screen have?
    [title] Settings
    [text box] City
    [text box] Age
    [button] Cancel
12. 12.True or false: a date picker is an input. (a) False (b) True
13. 13.🔢 After an app is released, which comes first: “read user reviews” or “list what to fix”? (a) read user reviews (b) list what to fix
14. 14.🧩 In an app, what is tap to Start? (a) a screen (b) a button (c) data (d) an input
15. 15.⚙️ What number does this app show?
    let bill = 296; // typed by the user
    let friends = 4; // typed by the user
    let share = bill / friends;
    show(share);
16. 16.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) export to a file (b) show the balance (c) savings stickers (d) pie-chart colours
17. 17.🗒️ Why keep version 1 small? (a) to look bigger (b) to confuse users (c) to learn from users soon (d) to use up storage
18. 18.👥 A cricket club app has 285 players, 210 coaches and 95 fans as users. Which user group is the biggest? (a) coaches (b) players (c) fans
19. 19.True or false: a website updates from the store. (a) True (b) False
20. 20.🗒️ What is a must-have feature? (a) a nice extra (b) one the app cannot skip (c) a colour theme (d) a sound effect
21. 21.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [button] Next
    [text box] Name
    [button] Done
    [button] Save
22. 22.💡 Does an app idea like a bill splitter solve a real problem? (a) Yes (b) No
23. 23.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
24. 24.🧩 In an app, what is your saved notes? (a) an input (b) a screen (c) a button (d) data
25. 25.Which of these app ideas solves no real problem? (a) a page of random dots (b) a free study-room finder (c) a medicine reminder (d) a bill splitter
26. 26.💡 Which app idea solves this problem: pupils forget due dates? (a) a bill splitter (b) a homework planner (c) a lost-and-found board (d) a medicine reminder
27. 27.🔍 Which is the odd one out? (a) a pop-up message (b) a beep sound (c) a buzz (vibration) (d) working out a tip
28. 28.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) pick a theme colour (c) add a homework task (d) set a due date
29. 29.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) input (b) output (c) processing
30. 30.🗂️ What kind of app is a spelling coach? (a) a game (b) a health app (c) a learning app (d) a tool app
31. 31.🗒️ Version 1 of a bus tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    see where the bus is: 1 days
    show arrival time: 4 days
    pick your bus stop: 5 days
32. 32.Which of these is true of a website? (a) updates from the store (b) has a home-screen icon (c) opens in a web browser (d) is installed on a phone
33. 33.⚙️ In an app, is speaking a command an input, processing or an output? (a) output (b) input (c) processing
34. 34.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 24 votes
    wasting pocket money: 10 votes
    no quiet study place: 21 votes (a) missing the bus (b) wasting pocket money (c) no quiet study place
35. 35.⚙️ What number does this app show?
    let km = 8; // typed by the user
    let metres = km * 1000;
    show(metres);
36. 36.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 35; // typed by the user
    line 2: let qty = 3; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 4 (b) line 1 (c) line 2 (d) line 3
37. 37.🧩 In an app, what is tap to Send? (a) an input (b) a screen (c) data (d) a button
38. 38.Which of these is an output? (a) taking a photo (b) checking a password (c) a buzz (vibration) (d) typing your age
39. 39.Which of these is true of an app? (a) updates from the store (b) opens from a link (c) needs no installing (d) opens in a web browser
40. 40.True or false: your friends list is a button. (a) False (b) True

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