App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 994 · 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 number does this app show?
   let price = 480; // typed by the user
   let off = 40; // typed by the user
   let pay = price - off;
   show(pay);
2. 2.Which of these happens at the idea stage? (a) write the store text (b) list what users need (c) add the buttons (d) let friends try it
3. 3.💡 Which app idea solves this problem: friends argue over who pays? (a) a study-room finder (b) a medicine reminder (c) a homework planner (d) a bill splitter
4. 4.🎯 Which app would help this user most: a reader who finds small print hard? (a) a bus tracker (b) a recipe finder (c) a water reminder (d) a big-text reader
5. 5.⚙️ In an app, is working out a tip an input, processing or an output? (a) output (b) input (c) processing
6. 6.🧩 Which part lets the user give the app information? (a) a logo (b) an icon (c) an input (d) a title
7. 7.🔍 Which is the odd one out? (a) checking a password (b) typing your age (c) adding up a bill (d) sorting the scores
8. 8.📱 Which one updates from the store: an app or a website? (a) a website (b) an app
9. 9.Which of these happens at the build stage? (a) put it on an app store (b) add the buttons (c) draw the user flow (d) write the store text
10. 10.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money received (b) savings stickers (c) pie-chart colours (d) export to a file
11. 11.🔍 Which is the odd one out? (a) typing your age (b) adding up a bill (c) tapping a button (d) speaking a command
12. 12.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Name
    [switch] Sound
    [slider] Volume
    [text box] Due date
    [button] Help
    [button] Send
13. 13.True or false: you spot a problem to solve at the release stage. (a) True (b) False
14. 14.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) add money spent (c) show the balance (d) pie-chart colours
15. 15.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) pick a theme colour (c) add a homework task (d) see tasks by day
16. 16.👥 A clinic app has 105 patients, 155 doctors and 165 nurses as users. Which user group is the biggest? (a) nurses (b) doctors (c) patients
17. 17.True or false: a big-text reader is the best fit for a grandparent with weak eyesight. (a) True (b) False
18. 18.🗒️ Version 1 of a quiz app must be ready in 11 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 2 days
    show the score: 5 days
19. 19.🗒️ Version 1 of a quiz app must be ready in 10 days. How many days are left for extras after the must-haves?
    show a question: 2 days
    check the answer: 3 days
    show the score: 5 days
20. 20.🗒️ Version 1 of a quiz app must be ready in 13 days. How many days are left for extras after the must-haves?
    show a question: 2 days
    check the answer: 2 days
    show the score: 4 days
21. 21.🎯 Is this a user need or a feature: a dark mode switch? (a) a feature (b) a user need
22. 22.🧩 In an app, what is tap to Start? (a) data (b) an input (c) a button (d) a screen
23. 23.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 20 votes
    no quiet study place: 8 votes
    missing the bus: 15 votes (a) no quiet study place (b) losing water bottles (c) missing the bus
24. 24.🗒️ Why keep version 1 small? (a) to confuse users (b) to look bigger (c) to learn from users soon (d) to use up storage
25. 25.🗒️ In MVP, the M stands for ___. (a) minimum (b) music (c) maximum (d) mobile
26. 26.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
27. 27.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
28. 28.🔢 When you make an app, which comes LAST? (a) release it (b) test the app (c) plan the screens (d) get an idea
29. 29.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a user need (b) a feature
30. 30.💡 Which app idea solves this problem: a team shares one snack bill? (a) a homework planner (b) a lost-and-found board (c) a bill splitter (d) a medicine reminder
31. 31.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
32. 32.📅 An app team plans for 2 days, builds for 7 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
33. 33.💡 Does an app idea like a lost-and-found board solve a real problem? (a) Yes (b) No
34. 34.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 108; // 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 4 (b) line 1 (c) line 2 (d) line 3
35. 35.🗒️ A to-do app with no “add a task” feature is ___. (a) a nice extra (b) ready to release (c) well planned (d) missing a must-have
36. 36.Which of these is a button? (a) the settings page (b) a slider for volume (c) tap to Send (d) today’s step count
37. 37.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) share your streak (b) log a glass of water (c) water animations (d) custom alert sounds
38. 38.📅 An app team plans for 2 days, builds for 12 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
39. 39.👥 A school app has 195 students, 215 teachers and 85 parents as users. How many users does it have in all?
40. 40.Which of these is a user need? (a) a dark mode switch (b) a search bar (c) a reminder alarm (d) “What should I cook?”

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