App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 241 · 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 clinic app has 160 patients, 35 doctors and 290 nurses as users. Which user group is the biggest? (a) doctors (b) nurses (c) patients
2. 2.🔢 When you make an app, what comes right after “test the app”? (a) release it (b) build the app (c) plan the screens (d) get an idea
3. 3.🔍 Which is the odd one out? (a) write down the bugs (b) write the store text (c) try every button (d) let friends try it
4. 4.🔢 After an app is released, what comes right after “fix and improve”? (a) list what to fix (b) test it again (c) release an update (d) read user reviews
5. 5.🔢 After an app is released, which comes first: “release an update” or “read user reviews”? (a) read user reviews (b) release an update
6. 6.🔢 After an app is released, which comes FIRST? (a) test it again (b) list what to fix (c) fix and improve (d) read user reviews
7. 7.True or false: a result on screen is an output. (a) True (b) False
8. 8.💡 Which app idea solves this problem: bottles go missing at school? (a) a bill splitter (b) a medicine reminder (c) a lost-and-found board (d) a homework planner
9. 9.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [text box] Phone
   [text box] Age
   [text box] Subject
   [button] Cancel
10. 10.⚙️ What number does this app show?
    let km = 6; // typed by the user
    let metres = km * 1000;
    show(metres);
11. 11.🗒️ Why keep version 1 small? (a) to use up storage (b) to confuse users (c) to look bigger (d) to learn from users soon
12. 12.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) pie-chart colours (b) add money received (c) show the balance (d) add money spent
13. 13.🧩 In an app, what is tap to Start? (a) an input (b) a button (c) data (d) a screen
14. 14.🧩 How many buttons does this app screen have?
    [title] Settings
    [text box] Name
    [button] Cancel
    [button] Help
15. 15.📅 An app team plans for 3 days, builds for 5 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
16. 16.🧩 Which input is best for typing your name? (a) a switch (b) a slider (c) a picture (d) a text box
17. 17.True or false: a website has a home-screen icon. (a) True (b) False
18. 18.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [text box] Name
    [switch] Dark mode
    [button] Save
    [button] Send
19. 19.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [text box] City
    [text box] Phone
    [button] Save
    [slider] Brightness
    [text box] Subject
20. 20.🔍 Which is the odd one out? (a) an alarm clock (b) a calculator (c) a times-table quiz (d) a torch
21. 21.🗒️ 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: 4 days
    add money spent: 3 days
    show the balance: 2 days
22. 22.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [switch] Show hints
    [text box] Email
    [button] Back
23. 23.📱 Where do people usually download phone apps from? (a) a charger (b) a web server (c) an app store (d) a printer
24. 24.⚙️ What number does this app show?
    let bill = 87; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
25. 25.⚙️ In an app, is typing your age an input, processing or an output? (a) input (b) processing (c) output
26. 26.🎯 Which app would help this user most: a student who keeps forgetting due dates? (a) a recipe finder (b) a homework planner (c) a pocket-money tracker (d) a big-text reader
27. 27.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 6 votes
    missing the bus: 9 votes
    forgetting birthdays: 4 votes (a) forgetting birthdays (b) missing the bus (c) forgetting homework
28. 28.⚙️ What number does this app show?
    let bill = 75; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
29. 29.💡 Does an app idea like a bill splitter solve a real problem? (a) Yes (b) No
30. 30.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 23 votes
    wasting pocket money: 7 votes
    no quiet study place: 4 votes (a) wasting pocket money (b) no quiet study place (c) forgetting homework
31. 31.Which of these is data? (a) tap to go Next (b) your saved notes (c) tap to Send (d) the home page of an app
32. 32.📅 An app team plans for 4 days, builds for 6 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
33. 33.🔢 When you make an app, which comes first: “test the app” or “release it”? (a) release it (b) test the app
34. 34.🎯 What is the best first step to learn what users need? (a) guess on your own (b) write the code (c) ask and watch users (d) pick the colours
35. 35.True or false: today’s step count is data. (a) True (b) False
36. 36.🌐 Which program do you need to open a website? (a) a calculator (b) a web browser (c) a camera app (d) an app store
37. 37.Which of these is a feature? (a) “I keep missing the bus” (b) “I forget my homework” (c) “What should I cook?” (d) a reminder alarm
38. 38.🎯 Which app would help this user most: a parent waiting at the bus stop? (a) a pocket-money tracker (b) a homework planner (c) a big-text reader (d) a bus tracker
39. 39.💡 Which is a problem statement? (a) “Add a logo” (b) “Use blue buttons” (c) “Kids forget homework” (d) “Make it fast”
40. 40.👥 A school app has 115 students, 185 teachers and 300 parents as users. How many more parents than teachers are there?

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