App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 938 · 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.🗒️ Version 1 of a pocket-money tracker must be ready in 10 days. How many days are left for extras after the must-haves?
   add money received: 1 days
   add money spent: 1 days
   show the balance: 4 days
2. 2.👥 A cricket club app has 200 players, 150 coaches and 155 fans as users. Which user group is the biggest? (a) fans (b) players (c) coaches
3. 3.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [button] Cancel
   [text box] Phone
4. 4.True or false: a result on screen is processing. (a) True (b) False
5. 5.📅 An app team plans for 2 days, builds for 5 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
6. 6.💡 How can you check that people really have the problem? (a) pick a colour (b) just guess (c) ask possible users (d) copy another app
7. 7.🧩 Which of these is a button on this screen?
   [title] Edit Profile
   [text box] Name
   [switch] Dark mode
   [text box] Notes
   [slider] Brightness
   [button] Start
   [text box] Email
   [button] Cancel (a) Notes (b) Start (c) Name (d) Email
8. 8.🧩 In an app, what is a box to type a name? (a) a button (b) data (c) a screen (d) an input
9. 9.🧩 In an app, what is your friends list? (a) an input (b) a button (c) a screen (d) data
10. 10.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
11. 11.💡 Which app idea solves this problem: friends argue over who pays? (a) a homework planner (b) a lost-and-found board (c) a bill splitter (d) a study-room finder
12. 12.🔍 Which is the odd one out? (a) spot a problem to solve (b) list what users need (c) write down the bugs (d) talk to possible users
13. 13.🛠️ At which stage do you pick the features? (a) the build stage (b) the release stage (c) the plan stage (d) the test stage
14. 14.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [slider] Brightness
    [button] Save
    [text box] Notes
    [switch] Remind me
    [button] Help
    [button] Send
15. 15.🗂️ What kind of app is a spelling coach? (a) a tool app (b) a health app (c) a learning app (d) a game
16. 16.Which of these is a button? (a) a box to type a name (b) tap to Send (c) the settings page (d) a switch for dark mode
17. 17.True or false: a button with no action solves a real problem. (a) False (b) True
18. 18.Which of these is an output? (a) taking a photo (b) a result on screen (c) checking a password (d) typing your age
19. 19.True or false: you put it on an app store at the idea stage. (a) False (b) True
20. 20.🗒️ When should nice-to-have features be built? (a) after the must-haves (b) before anything (c) on day one (d) never
21. 21.Which of these happens at the test stage? (a) talk to possible users (b) draw the user flow (c) write the store text (d) write down the bugs
22. 22.True or false: an app that just says hi solves a real problem. (a) False (b) True
23. 23.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [button] Next
    [button] Start
    [button] Done
    [text box] City
    [text box] Notes
    [text box] Due date
24. 24.Which of these app ideas solves a real problem? (a) a button with no action (b) an app that just says hi (c) a free study-room finder (d) a blank grey screen
25. 25.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [text box] Notes
    [button] Done
    [switch] Show hints
26. 26.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) show the balance (c) add money spent (d) export to a file
27. 27.True or false: taking a photo is an output. (a) True (b) False
28. 28.⚙️ What number does this app show?
    let bill = 192; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
29. 29.Which of these app ideas solves a real problem? (a) an app that just says hi (b) a bill splitter (c) a page of random dots (d) a blank grey screen
30. 30.📅 An app team plans for 3 days, builds for 11 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
31. 31.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 6; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 2 (b) line 3 (c) line 1
32. 32.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [button] Cancel
    [button] Help
    [button] Next
    [text box] Email
    [text box] Phone
    [slider] Volume
    [text box] Notes
33. 33.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “wasting pocket money”?
    wasting pocket money: 5 votes
    losing water bottles: 16 votes
    no quiet study place: 17 votes
34. 34.⚙️ What number does this app show?
    let price = 35; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
35. 35.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 12; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
36. 36.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [slider] Text size
    [button] Save
    [text box] Name
    [text box] Age
    [button] Back
37. 37.🛠️ At which stage do you list what users need? (a) the idea stage (b) the plan stage (c) the build stage (d) the release stage
38. 38.🔍 Which is the odd one out? (a) write the store text (b) let friends try it (c) try every button (d) write down the bugs
39. 39.Which of these is a button? (a) a switch for dark mode (b) a slider for volume (c) your friends list (d) tap to Save
40. 40.Which of these is true of a website? (a) comes from an app store (b) is installed on a phone (c) has a home-screen icon (d) has a web address

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