App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 15 · 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 an output? (a) taking a photo (b) sorting the scores (c) working out a tip (d) a result on screen
2. 2.Which of these is an input? (a) the home page of an app (b) your friends list (c) tap to Start (d) a box to type a name
3. 3.🔍 Which is the odd one out? (a) connect the data (b) add the buttons (c) list what users need (d) write the code
4. 4.🗒️ Version 1 of a bus tracker must be ready in 13 days. How many days are left for extras after the must-haves?
   see where the bus is: 2 days
   show arrival time: 3 days
   pick your bus stop: 3 days
5. 5.🧩 How many buttons does this app screen have?
   [title] Edit Profile
   [switch] Sound
   [text box] Phone
   [slider] Volume
   [button] Done
   [text box] Email
6. 6.⚙️ What number does this app show?
   let price = 270; // typed by the user
   let off = 20; // typed by the user
   let pay = price - off;
   show(pay);
7. 7.📱 Which one has a web address: an app or a website? (a) an app (b) a website
8. 8.🎯 Is this a user need or a feature: a dark mode switch? (a) a user need (b) a feature
9. 9.True or false: you put it on an app store at the build stage. (a) False (b) True
10. 10.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) confetti effects (b) an avatar shop (c) background music (d) show a question
11. 11.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [button] Help
    [button] Back
    [switch] Dark mode
    [text box] Phone
    [button] Done
12. 12.True or false: you add the buttons at the build stage. (a) True (b) False
13. 13.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 310; // typed by the user
    line 2: let off = 20; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 1 (b) line 2 (c) line 3 (d) line 4
14. 14.🧩 In an app, what is a slider for volume? (a) a button (b) an input (c) a screen (d) data
15. 15.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money spent (b) export to a file (c) show the balance (d) add money received
16. 16.📊 Survey: which problem bugs you most? How many students voted in all?
    missing the bus: 5 votes
    losing water bottles: 12 votes
    wasting pocket money: 13 votes
17. 17.🧩 Which input is best for typing your name? (a) a slider (b) a switch (c) a picture (d) a text box
18. 18.🔢 When you make an app, which comes first: “plan the screens” or “build the app”? (a) plan the screens (b) build the app
19. 19.Which of these is true of a website? (a) is installed on a phone (b) has a home-screen icon (c) opens from a link (d) comes from an app store
20. 20.Which of these is a user need? (a) “I keep missing the bus” (b) a share button (c) a search bar (d) a dark mode switch
21. 21.🗒️ In MVP, the M stands for ___. (a) minimum (b) mobile (c) music (d) maximum
22. 22.🔍 Which is the odd one out? (a) a result on screen (b) a pop-up message (c) speaking a command (d) a buzz (vibration)
23. 23.True or false: a times-table quiz is a tool app. (a) False (b) True
24. 24.🔢 After an app is released, which comes first: “release an update” or “read user reviews”? (a) release an update (b) read user reviews
25. 25.🔍 Which is the odd one out? (a) sorting the scores (b) speaking a command (c) taking a photo (d) typing your age
26. 26.🎯 Why learn about users before you build? (a) to pick a logo (b) to make it longer (c) to slow it down (d) to build what they need
27. 27.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [button] Help
    [text box] Phone
    [text box] City
    [text box] Subject
    [switch] Show hints (a) Help (b) Phone (c) Subject (d) City
28. 28.True or false: a result on screen is an output. (a) True (b) False
29. 29.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a slider (c) a switch (d) a text box
30. 30.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 24 votes
    losing water bottles: 5 votes
    missing the bus: 19 votes
31. 31.🔢 When you make an app, which comes LAST? (a) get an idea (b) plan the screens (c) release it (d) build the app
32. 32.⚙️ What number does this app show?
    let price = 410; // typed by the user
    let off = 20; // typed by the user
    let pay = price - off;
    show(pay);
33. 33.🧑 Who is an app really made for? (a) its coder only (b) its users (c) its charger (d) its icon
34. 34.🛠️ At which stage do you connect the data? (a) the release stage (b) the test stage (c) the build stage (d) the idea stage
35. 35.True or false: the game-over page is a screen. (a) True (b) False
36. 36.True or false: your high score is data. (a) True (b) False
37. 37.⚙️ What number does this app show?
    let km = 12; // typed by the user
    let metres = km * 1000;
    show(metres);
38. 38.📱 The word “app” is short for ___. (a) apparatus (b) appetite (c) appointment (d) application
39. 39.True or false: the home page of an app is a screen. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) tapping a button (b) working out a tip (c) speaking a command (d) taking a photo

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