App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 574 · 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.💡 A good app idea starts with ___. (a) a cool logo (b) many colours (c) a long name (d) a problem to solve
2. 2.👥 A clinic app has 235 patients, 45 doctors and 255 nurses as users. How many users does it have in all?
3. 3.Which of these is true of an app? (a) has a web address (b) updates from the store (c) needs no installing (d) opens in a web browser
4. 4.🧩 In an app, what is your high score? (a) a screen (b) a button (c) data (d) an input
5. 5.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Sign Up
   [text box] Subject
   [text box] Notes
   [slider] Volume
   [button] Back
   [button] Start
6. 6.Which of these is processing? (a) sorting the scores (b) a buzz (vibration) (c) tapping a button (d) taking a photo
7. 7.Which of these is true of a website? (a) is installed on a phone (b) comes from an app store (c) opens in a web browser (d) has a home-screen icon
8. 8.🔍 Which is the odd one out? (a) adding up a bill (b) sorting the scores (c) checking a password (d) a result on screen
9. 9.Which of these is a feature? (a) “I forget my homework” (b) “What should I cook?” (c) “I keep missing the bus” (d) a share button
10. 10.🗒️ Version 1 of a homework planner must be ready in 9 days. How many days are left for extras after the must-haves?
    add a homework task: 1 days
    set a due date: 3 days
    see tasks by day: 3 days
11. 11.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “losing water bottles”?
    losing water bottles: 7 votes
    forgetting birthdays: 10 votes
    forgetting homework: 3 votes
12. 12.Which of these is an input? (a) adding up a bill (b) a buzz (vibration) (c) a result on screen (d) tapping a button
13. 13.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 25; // typed by the user
    line 2: let qty = 4; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 3 (b) line 4 (c) line 2 (d) line 1
14. 14.True or false: a button with no action solves no real problem. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) connect the data (b) add the buttons (c) write the code (d) draw the user flow
16. 16.True or false: an app comes from an app store. (a) True (b) False
17. 17.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [text box] City
    [text box] Subject
    [slider] Brightness
    [text box] Notes
    [button] Save
18. 18.🗂️ What kind of app is a torch? (a) a health app (b) a game (c) a learning app (d) a tool app
19. 19.True or false: a free study-room finder solves a real problem. (a) False (b) True
20. 20.Which of these is true of an app? (a) opens in a web browser (b) has a web address (c) opens from a link (d) comes from an app store
21. 21.Which of these is processing? (a) tapping a button (b) adding up a bill (c) a result on screen (d) a pop-up message
22. 22.🧩 What do we call one full page of an app? (a) a screen (b) a battery (c) a variable (d) a cable
23. 23.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “no quiet study place”?
    forgetting birthdays: 13 votes
    wasting pocket money: 23 votes
    no quiet study place: 12 votes
24. 24.🗒️ 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: 4 days
    add money spent: 2 days
    show the balance: 4 days
25. 25.📅 An app team plans for 2 days, builds for 11 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
26. 26.💡 Does an app idea like a blank grey screen solve a real problem? (a) No (b) Yes
27. 27.📅 An app team plans for 2 days, builds for 6 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
28. 28.📊 Survey: which problem bugs you most? How many students voted in all?
    missing the bus: 17 votes
    losing water bottles: 21 votes
    forgetting homework: 5 votes
29. 29.🎯 What is the best first step to learn what users need? (a) write the code (b) ask and watch users (c) pick the colours (d) guess on your own
30. 30.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
31. 31.Which of these happens at the build stage? (a) spot a problem to solve (b) try every button (c) add the buttons (d) share the download link
32. 32.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Done
    [text box] Notes
33. 33.Which of these app ideas solves a real problem? (a) a button with no action (b) a page of random dots (c) an app that just says hi (d) a lost-and-found board
34. 34.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a water reminder (b) a homework planner (c) a recipe finder (d) a bus tracker
35. 35.💡 Does an app idea like a bill splitter solve a real problem? (a) No (b) Yes
36. 36.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [button] Cancel
    [text box] Email
    [button] Done
    [button] Back
37. 37.📴 Which of these can often still work with no internet? (a) an installed app (b) a video call (c) a new website (d) an online search
38. 38.Which of these is a button? (a) your high score (b) the home page of an app (c) tap to Start (d) a switch for dark mode
39. 39.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [slider] Volume
    [button] Cancel
    [text box] Name
    [button] Help
40. 40.Which of these is an input? (a) tap to Start (b) today’s step count (c) a box to type a name (d) your high score

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