App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 89 · 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.💡 How can you check that people really have the problem? (a) copy another app (b) just guess (c) ask possible users (d) pick a colour
2. 2.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 9; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
3. 3.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
4. 4.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 184; // typed by the user
   line 2: let friends = 4; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 4 (b) line 1 (c) line 2 (d) line 3
5. 5.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “wasting pocket money”?
   missing the bus: 4 votes
   wasting pocket money: 13 votes
   forgetting homework: 14 votes
6. 6.🔍 Which is the odd one out? (a) a result on screen (b) a pop-up message (c) typing your age (d) a beep sound
7. 7.🗒️ Version 1 of a homework planner must be ready in 12 days. How many days are left for extras after the must-haves?
   add a homework task: 3 days
   set a due date: 4 days
   see tasks by day: 4 days
8. 8.📱 The word “app” is short for ___. (a) appointment (b) application (c) appetite (d) apparatus
9. 9.Which of these is a user need? (a) “Small text is hard” (b) a dark mode switch (c) a share button (d) a reminder alarm
10. 10.🎯 What is the best first step to learn what users need? (a) ask and watch users (b) guess on your own (c) write the code (d) pick the colours
11. 11.True or false: you spot a problem to solve at the idea stage. (a) True (b) False
12. 12.True or false: tap to Start is an input. (a) True (b) False
13. 13.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 175; // 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 1 (b) line 4 (c) line 2 (d) line 3
14. 14.🔢 When you make an app, which comes FIRST? (a) plan the screens (b) get an idea (c) release it (d) test the app
15. 15.💡 Does an app idea like a library due-date alert solve a real problem? (a) No (b) Yes
16. 16.⚙️ In an app, is a beep sound an input, processing or an output? (a) output (b) input (c) processing
17. 17.👥 A school app has 75 students, 170 teachers and 150 parents as users. How many more teachers than students are there?
18. 18.🗂️ What kind of app is a times-table quiz? (a) a game (b) a learning app (c) a tool app (d) a health app
19. 19.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 13 votes
    forgetting homework: 23 votes
    wasting pocket money: 22 votes (a) wasting pocket money (b) forgetting homework (c) forgetting birthdays
20. 20.💡 An app that tries to do everything at once is usually ___. (a) finished fast (b) easy to build (c) hard to use (d) very small
21. 21.📅 An app team plans for 2 days, builds for 11 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
22. 22.🧩 In an app, what is the game-over page? (a) data (b) a button (c) an input (d) a screen
23. 23.🧩 Which of these is a button on this screen?
    [title] Settings
    [button] Start
    [button] Send
    [switch] Remind me
    [button] Next
    [text box] Notes
    [text box] Email (a) Send (b) Remind me (c) Notes (d) Email
24. 24.🧩 Which part lets the user give the app information? (a) a logo (b) an input (c) an icon (d) a title
25. 25.Which of these is a feature? (a) “What should I cook?” (b) “Small text is hard” (c) “I keep missing the bus” (d) a share button
26. 26.🧩 In an app, what is today’s step count? (a) a screen (b) an input (c) a button (d) data
27. 27.True or false: a free study-room finder solves no real problem. (a) True (b) False
28. 28.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “wasting pocket money”?
    wasting pocket money: 12 votes
    forgetting homework: 4 votes
    losing water bottles: 18 votes
29. 29.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) a dark mode (c) change the bus icon (d) pick your bus stop
30. 30.Which of these is data? (a) a switch for dark mode (b) the home page of an app (c) a box to type a name (d) your saved notes
31. 31.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Next
    [button] Send
    [text box] Phone
    [button] Help
32. 32.🎯 An app for “everyone” with no clear user usually ___. (a) needs no testing (b) is easy to build (c) helps nobody well (d) wins every prize
33. 33.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a water reminder (b) a recipe finder (c) a homework planner (d) a bus tracker
34. 34.👥 A cricket club app has 25 players, 275 coaches and 45 fans as users. Which user group is the biggest? (a) players (b) coaches (c) fans
35. 35.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Name
    [switch] Sound
    [button] Help
    [text box] Phone
36. 36.🧩 In an app, what is a date picker? (a) a screen (b) a button (c) an input (d) data
37. 37.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 4; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
38. 38.📅 An app team plans for 3 days, builds for 9 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
39. 39.Which of these is a user need? (a) “I keep missing the bus” (b) a reminder alarm (c) a search bar (d) a dark mode switch
40. 40.True or false: a cricket run chase is a game. (a) False (b) True

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