App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 363 · 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 9 days. How many days are left for extras after the must-haves?
   add money received: 2 days
   add money spent: 4 days
   show the balance: 3 days
2. 2.Which of these app ideas solves a real problem? (a) a medicine reminder (b) a page of random dots (c) an app that just says hi (d) a button with no action
3. 3.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “forgetting homework”?
   forgetting homework: 15 votes
   wasting pocket money: 25 votes
   forgetting birthdays: 10 votes
4. 4.🔍 Which is the odd one out? (a) a flashcard trainer (b) a times-table quiz (c) a torch (d) a spelling coach
5. 5.💡 A good app idea starts with ___. (a) a long name (b) a problem to solve (c) a cool logo (d) many colours
6. 6.💡 Which app idea solves this problem: students cannot find a quiet room? (a) a homework planner (b) a medicine reminder (c) a lost-and-found board (d) a study-room finder
7. 7.💡 Which app idea solves this problem: friends argue over who pays? (a) a study-room finder (b) a lost-and-found board (c) a bill splitter (d) a medicine reminder
8. 8.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) see today’s total (b) log a glass of water (c) water animations (d) set a reminder time
9. 9.📊 Survey: which problem bugs you most? How many students voted in all?
   forgetting homework: 9 votes
   forgetting birthdays: 20 votes
   losing water bottles: 21 votes
10. 10.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 10 votes
    forgetting birthdays: 5 votes
    losing water bottles: 19 votes (a) forgetting birthdays (b) forgetting homework (c) losing water bottles
11. 11.💡 How can you check that people really have the problem? (a) just guess (b) pick a colour (c) copy another app (d) ask possible users
12. 12.Which of these is an input? (a) a slider for volume (b) your high score (c) the home page of an app (d) the settings page
13. 13.🗒️ What is a must-have feature? (a) one the app cannot skip (b) a sound effect (c) a colour theme (d) a nice extra
14. 14.🎯 Which app would help this user most: a reader who finds small print hard? (a) a big-text reader (b) a recipe finder (c) a homework planner (d) a pocket-money tracker
15. 15.🧩 Which input is best for choosing a volume level? (a) a switch (b) a text box (c) a title (d) a slider
16. 16.📅 An app team plans for 5 days, builds for 4 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
17. 17.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
18. 18.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) custom alert sounds (c) log a glass of water (d) see today’s total
19. 19.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) see today’s total (c) log a glass of water (d) share your streak
20. 20.🧩 In an app, what is the log-in page? (a) a button (b) data (c) a screen (d) an input
21. 21.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “forgetting homework”?
    wasting pocket money: 25 votes
    missing the bus: 23 votes
    forgetting homework: 10 votes
22. 22.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) check the answer (c) confetti effects (d) an avatar shop
23. 23.👥 A library app has 90 readers, 75 librarians and 165 volunteers as users. How many users does it have in all?
24. 24.🔍 Which is the odd one out? (a) write down the bugs (b) connect the data (c) let friends try it (d) try every button
25. 25.💡 Which app idea solves this problem: projects pile up at once? (a) a homework planner (b) a bill splitter (c) a study-room finder (d) a medicine reminder
26. 26.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) custom alert sounds (c) set a reminder time (d) share your streak
27. 27.👥 A school app has 95 students, 215 teachers and 50 parents as users. How many more teachers than parents are there?
28. 28.True or false: typing your age is processing. (a) True (b) False
29. 29.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [slider] Text size
    [button] Back
    [button] Next
    [text box] Name
30. 30.True or false: you draw the user flow at the test stage. (a) True (b) False
31. 31.True or false: a date picker is a button. (a) False (b) True
32. 32.True or false: today’s step count is an input. (a) False (b) True
33. 33.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) share your streak (c) custom alert sounds (d) log a glass of water
34. 34.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Help
    [button] Start
    [text box] Due date
    [slider] Volume
    [button] Back
35. 35.💡 Does an app idea like a blank grey screen solve a real problem? (a) No (b) Yes
36. 36.⚙️ What number does this app show?
    let km = 11; // typed by the user
    let metres = km * 1000;
    show(metres);
37. 37.Which of these is true of an app? (a) opens from a link (b) has a web address (c) is installed on a phone (d) opens in a web browser
38. 38.True or false: a free study-room finder solves no real problem. (a) False (b) True
39. 39.🎯 Which app would help this user most: a runner who forgets to sip water? (a) a homework planner (b) a bus tracker (c) a water reminder (d) a big-text reader
40. 40.🔍 Which is the odd one out? (a) a beep sound (b) a buzz (vibration) (c) a result on screen (d) typing your age

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