App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 181 · 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.🧩 What does a button do when you tap it? (a) shows the time (b) saves the battery (c) starts an action (d) changes the phone
2. 2.⚙️ What number does this app show?
   let price = 95; // typed by the user
   let qty = 5; // typed by the user
   let total = price * qty;
   show(total);
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 231; // typed by the user
   line 2: let friends = 3; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 1 (b) line 4 (c) line 3 (d) line 2
4. 4.True or false: you add the buttons at the build stage. (a) False (b) True
5. 5.🧩 In an app, what is tap to Send? (a) a screen (b) an input (c) data (d) a button
6. 6.🧩 Which part lets the user give the app information? (a) a logo (b) a title (c) an input (d) an icon
7. 7.📅 An app team plans for 4 days, builds for 11 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
8. 8.👥 A cricket club app has 40 players, 45 coaches and 60 fans as users. How many more fans than players are there?
9. 9.True or false: a puzzle with levels is a health app. (a) True (b) False
10. 10.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) set a due date (c) earn stickers (d) add a homework task
11. 11.True or false: a racing challenge is a game. (a) False (b) True
12. 12.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
13. 13.True or false: a water reminder is the best fit for a grandparent with weak eyesight. (a) True (b) False
14. 14.📴 Which of these can often still work with no internet? (a) a video call (b) an online search (c) a new website (d) an installed app
15. 15.🔍 Which is the odd one out? (a) an alarm clock (b) a calculator (c) a unit converter (d) a sleep tracker
16. 16.⚙️ In an app, is sorting the scores an input, processing or an output? (a) processing (b) input (c) output
17. 17.🗒️ Version 1 of a homework planner must be ready in 8 days. How many days are left for extras after the must-haves?
    add a homework task: 4 days
    set a due date: 1 days
    see tasks by day: 2 days
18. 18.🗒️ Version 1 of a water reminder must be ready in 17 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 4 days
    see today’s total: 4 days
19. 19.🧩 In an app, what is a box to type a name? (a) data (b) an input (c) a screen (d) a button
20. 20.Which of these is a user need? (a) a search bar (b) “I forget my homework” (c) a reminder alarm (d) a dark mode switch
21. 21.💡 Which is a problem statement? (a) “Make it fast” (b) “Use blue buttons” (c) “Kids forget homework” (d) “Add a logo”
22. 22.🛠️ At which stage do you connect the data? (a) the idea stage (b) the test stage (c) the plan stage (d) the build stage
23. 23.True or false: a switch for dark mode is a button. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) put it on an app store (b) share the download link (c) write the store text (d) try every button
25. 25.🛠️ At which stage do you sketch the screens? (a) the build stage (b) the test stage (c) the plan stage (d) the idea stage
26. 26.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show the score (b) show a question (c) check the answer (d) background music
27. 27.🛠️ At which stage do you share the download link? (a) the build stage (b) the idea stage (c) the plan stage (d) the release stage
28. 28.📲 What happens when you tap an app’s icon? (a) the sound turns off (b) the app opens (c) the app is deleted (d) the phone charges
29. 29.🔢 When you make an app, which comes first: “release it” or “test the app”? (a) test the app (b) release it
30. 30.True or false: an app opens in a web browser. (a) False (b) True
31. 31.👥 A school app has 270 students, 80 teachers and 190 parents as users. How many users does it have in all?
32. 32.Which of these is data? (a) a box to type a name (b) your saved notes (c) tap to Save (d) tap to go Next
33. 33.🗒️ Version 1 of a pocket-money tracker must be ready in 13 days. How many days are left for extras after the must-haves?
    add money received: 3 days
    add money spent: 4 days
    show the balance: 2 days
34. 34.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money spent (b) pie-chart colours (c) export to a file (d) savings stickers
35. 35.🧩 In an app, what is your high score? (a) a screen (b) an input (c) a button (d) data
36. 36.Which of these is a user need? (a) “What should I cook?” (b) a share button (c) a reminder alarm (d) a search bar
37. 37.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) see tasks by day (b) share tasks to friends (c) earn stickers (d) pick a theme colour
38. 38.🧩 Which of these is a button on this screen?
    [title] Settings
    [button] Save
    [text box] Name
    [button] Cancel
    [switch] Remind me
    [text box] Subject
    [text box] Email (a) Subject (b) Name (c) Cancel (d) Email
39. 39.🔢 After an app is released, what comes right after “read user reviews”? (a) list what to fix (b) test it again (c) release an update (d) fix and improve
40. 40.True or false: a website opens from a link. (a) False (b) True

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