App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 442 · 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 app ideas solves a real problem? (a) a button with no action (b) a blank grey screen (c) an app that just says hi (d) a medicine reminder
2. 2.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “missing the bus”?
   missing the bus: 11 votes
   losing water bottles: 23 votes
   forgetting homework: 9 votes
3. 3.🎯 Which app would help this user most: a parent waiting at the bus stop? (a) a big-text reader (b) a homework planner (c) a bus tracker (d) a recipe finder
4. 4.🛠️ At which stage do you try every button? (a) the test stage (b) the plan stage (c) the build stage (d) the idea stage
5. 5.🧩 How many buttons does this app screen have?
   [title] Settings
   [switch] Show hints
   [button] Save
   [text box] Age
6. 6.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) confetti effects (b) an avatar shop (c) show the score (d) background music
7. 7.Which of these is true of an app? (a) opens in a web browser (b) updates from the store (c) needs no installing (d) opens from a link
8. 8.⚙️ What number does this app show?
   let price = 10; // typed by the user
   let qty = 2; // typed by the user
   let total = price * qty;
   show(total);
9. 9.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 100; // 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 3 (b) line 4 (c) line 1 (d) line 2
10. 10.💡 Does an app idea like a bill splitter solve a real problem? (a) Yes (b) No
11. 11.🗒️ What is a must-have feature? (a) a colour theme (b) a nice extra (c) a sound effect (d) one the app cannot skip
12. 12.Which of these is processing? (a) a buzz (vibration) (b) adding up a bill (c) a result on screen (d) a pop-up message
13. 13.True or false: a big-text reader is the best fit for a parent waiting at the bus stop. (a) False (b) True
14. 14.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [button] Cancel
    [text box] Name
    [switch] Remind me
    [button] Start
    [button] Done (a) Name (b) Remind me (c) Done
15. 15.True or false: an app has a web address. (a) False (b) True
16. 16.🔢 After an app is released, which comes first: “test it again” or “fix and improve”? (a) test it again (b) fix and improve
17. 17.Which of these is true of an app? (a) comes from an app store (b) has a web address (c) opens from a link (d) opens in a web browser
18. 18.👥 A school app has 130 students, 185 teachers and 195 parents as users. Which user group is the biggest? (a) students (b) teachers (c) parents
19. 19.🔍 Which is the odd one out? (a) talk to possible users (b) try every button (c) let friends try it (d) write down the bugs
20. 20.🗒️ Version 1 of a bus tracker must be ready in 16 days. How many days are left for extras after the must-haves?
    see where the bus is: 4 days
    show arrival time: 4 days
    pick your bus stop: 3 days
21. 21.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a slider (c) a text box (d) a switch
22. 22.True or false: today’s step count is a screen. (a) False (b) True
23. 23.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “forgetting birthdays”?
    forgetting homework: 15 votes
    forgetting birthdays: 9 votes
    missing the bus: 11 votes
24. 24.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [text box] Due date
    [button] Send
    [text box] Email
    [text box] Age
    [button] Start
    [button] Cancel
25. 25.👥 A cricket club app has 150 players, 65 coaches and 265 fans as users. Which user group is the biggest? (a) coaches (b) fans (c) players
26. 26.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) pick a theme colour (b) earn stickers (c) set a due date (d) share tasks to friends
27. 27.🧩 In an app, what is today’s step count? (a) an input (b) a button (c) a screen (d) data
28. 28.🧩 In an app, what is tap to Save? (a) an input (b) a screen (c) data (d) a button
29. 29.True or false: an app comes from an app store. (a) True (b) False
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 55; // typed by the user
    line 2: let qty = 6; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 2 (b) line 1 (c) line 3 (d) line 4
31. 31.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [text box] Age
    [button] Save
    [text box] Email
    [slider] Text size
    [button] Next
    [text box] Name
    [button] Send
    [switch] Remind me
32. 32.🗒️ The first small, working version of an app is often called an ___. (a) CPU (b) URL (c) MVP (d) FAQ
33. 33.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
34. 34.🔢 When you make an app, what comes right after “build the app”? (a) release it (b) get an idea (c) plan the screens (d) test the app
35. 35.Which of these app ideas solves no real problem? (a) a library due-date alert (b) an app that just says hi (c) a medicine reminder (d) a bill splitter
36. 36.🔍 Which is the odd one out? (a) connect the data (b) put it on an app store (c) add the buttons (d) write the code
37. 37.🔍 Which is the odd one out? (a) adding up a bill (b) speaking a command (c) taking a photo (d) tapping a button
38. 38.🔢 When you make an app, which comes FIRST? (a) get an idea (b) test the app (c) plan the screens (d) build the app
39. 39.True or false: an app needs no installing. (a) False (b) True
40. 40.🎯 Which app would help this user most: a runner who forgets to sip water? (a) a water reminder (b) a pocket-money tracker (c) a homework planner (d) a recipe finder

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