App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 173 · 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 line does the processing (works out the answer)?
   line 1: let price = 350; // 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 3 (c) line 1 (d) line 2
2. 2.Which of these is a button? (a) a box to type a name (b) today’s step count (c) your saved notes (d) tap to Send
3. 3.Which of these is an input? (a) a box to type a name (b) the settings page (c) the home page of an app (d) your high score
4. 4.📅 An app team plans for 3 days, builds for 7 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
5. 5.Which of these is a screen? (a) tap to Start (b) tap to go Next (c) your saved notes (d) the settings page
6. 6.🧩 How many buttons does this app screen have?
   [title] Order Snacks
   [button] Save
   [button] Done
   [button] Send
   [switch] Show hints
   [text box] Name
   [text box] Due date
   [slider] Text size
   [text box] Age
7. 7.🧩 In an app, what is your high score? (a) a button (b) data (c) a screen (d) an input
8. 8.True or false: you add the buttons at the plan stage. (a) False (b) True
9. 9.True or false: your saved notes is data. (a) False (b) True
10. 10.👥 A school app has 20 students, 255 teachers and 120 parents as users. How many more teachers than parents are there?
11. 11.🗂️ What kind of app is a unit converter? (a) a health app (b) a learning app (c) a game (d) a tool app
12. 12.🧩 In an app, what is tap to Send? (a) a button (b) a screen (c) data (d) an input
13. 13.Which of these happens at the build stage? (a) list what users need (b) add the buttons (c) share the download link (d) write the store text
14. 14.🔍 Which is the odd one out? (a) taking a photo (b) typing your age (c) sorting the scores (d) speaking a command
15. 15.True or false: a times-table quiz is a learning app. (a) False (b) True
16. 16.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) rate the driver (c) show arrival time (d) a dark mode
17. 17.🔍 Which is the odd one out? (a) taking a photo (b) typing your age (c) adding up a bill (d) tapping a button
18. 18.True or false: a pop-up message is an output. (a) False (b) True
19. 19.🧩 How many buttons does this app screen have?
    [title] New Note
    [button] Save
    [button] Cancel
    [text box] Age
    [button] Done
    [switch] Sound
    [text box] City
20. 20.🎯 Is this a user need or a feature: “What should I cook?”? (a) a user need (b) a feature
21. 21.🎯 Is this a user need or a feature: “I forget my homework”? (a) a user need (b) a feature
22. 22.🔍 Which is the odd one out? (a) share the download link (b) try every button (c) let friends try it (d) write down the bugs
23. 23.🧩 In an app, what is a slider for volume? (a) data (b) a button (c) a screen (d) an input
24. 24.⚙️ In an app, is checking a password an input, processing or an output? (a) input (b) output (c) processing
25. 25.True or false: you talk to possible users at the idea stage. (a) True (b) False
26. 26.🛠️ At which stage do you list what users need? (a) the test stage (b) the release stage (c) the build stage (d) the idea stage
27. 27.🧩 In an app, what is the home page of an app? (a) a button (b) a screen (c) data (d) an input
28. 28.Which of these is true of an app? (a) needs no installing (b) has a web address (c) has a home-screen icon (d) opens in a web browser
29. 29.👥 A library app has 270 readers, 160 librarians and 245 volunteers as users. How many more volunteers than librarians are there?
30. 30.🔢 When you make an app, what comes right after “test the app”? (a) build the app (b) get an idea (c) release it (d) plan the screens
31. 31.🔢 After an app is released, which comes first: “read user reviews” or “fix and improve”? (a) fix and improve (b) read user reviews
32. 32.True or false: the game-over page is data. (a) True (b) False
33. 33.🗒️ In MVP, the M stands for ___. (a) minimum (b) music (c) maximum (d) mobile
34. 34.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) check the answer (b) show the score (c) background music (d) show a question
35. 35.🗂️ What kind of app is a times-table quiz? (a) a learning app (b) a tool app (c) a health app (d) a game
36. 36.🗂️ What kind of app is a cricket run chase? (a) a learning app (b) a game (c) a tool app (d) a health app
37. 37.Which of these happens at the test stage? (a) draw the user flow (b) talk to possible users (c) write the code (d) try every button
38. 38.True or false: a website opens from a link. (a) True (b) False
39. 39.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 150; // 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 4 (b) line 3 (c) line 1 (d) line 2
40. 40.Which of these is a button? (a) tap to Save (b) today’s step count (c) a box to type a name (d) the game-over page

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