App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 88 · 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.🔍 Which is the odd one out? (a) a beep sound (b) typing your age (c) a pop-up message (d) a result on screen
2. 2.⚙️ What number does this app show?
   let bill = 300; // typed by the user
   let friends = 5; // typed by the user
   let share = bill / friends;
   show(share);
3. 3.🧩 Which of these is a button on this screen?
   [title] New Note
   [text box] City
   [text box] Name
   [button] Back
   [button] Done
   [button] Save
   [text box] Notes (a) City (b) Notes (c) Back (d) Name
4. 4.👥 A clinic app has 35 patients, 60 doctors and 205 nurses as users. How many users does it have in all?
5. 5.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) an avatar shop (c) show a question (d) confetti effects
6. 6.👥 A school app has 140 students, 60 teachers and 285 parents as users. Which user group is the biggest? (a) students (b) parents (c) teachers
7. 7.Which of these is true of a website? (a) comes from an app store (b) updates from the store (c) has a home-screen icon (d) opens from a link
8. 8.Which of these is an output? (a) typing your age (b) working out a tip (c) a beep sound (d) tapping a button
9. 9.👥 A cricket club app has 25 players, 245 coaches and 165 fans as users. How many users does it have in all?
10. 10.👥 A library app has 265 readers, 80 librarians and 35 volunteers as users. Which user group is the biggest? (a) readers (b) librarians (c) volunteers
11. 11.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [switch] Show hints
    [button] Start
    [button] Back
    [text box] Phone (a) Back (b) Show hints (c) Phone
12. 12.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
13. 13.Which of these is a screen? (a) the game-over page (b) your high score (c) tap to Send (d) a slider for volume
14. 14.Which of these is a button? (a) your high score (b) the home page of an app (c) tap to Send (d) your friends list
15. 15.🛠️ At which stage do you add the buttons? (a) the release stage (b) the test stage (c) the build stage (d) the idea stage
16. 16.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 23 votes
    missing the bus: 20 votes
    no quiet study place: 21 votes (a) forgetting homework (b) no quiet study place (c) missing the bus
17. 17.True or false: a box to type a name is an input. (a) True (b) False
18. 18.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a study-room finder (b) a homework planner (c) a bill splitter (d) a medicine reminder
19. 19.Which of these is an input? (a) a result on screen (b) speaking a command (c) checking a password (d) a buzz (vibration)
20. 20.⚙️ What number does this app show?
    let price = 10; // typed by the user
    let qty = 4; // typed by the user
    let total = price * qty;
    show(total);
21. 21.💡 Which app idea solves this problem: a team shares one snack bill? (a) a lost-and-found board (b) a medicine reminder (c) a study-room finder (d) a bill splitter
22. 22.Which of these is a button? (a) tap to Start (b) the settings page (c) your friends list (d) the game-over page
23. 23.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [slider] Text size
    [switch] Show hints
    [text box] City
    [button] Next
    [text box] Subject
    [button] Back
    [text box] Name
    [button] Start (a) Name (b) Subject (c) Next (d) City
24. 24.📱 The word “app” is short for ___. (a) appointment (b) appetite (c) apparatus (d) application
25. 25.🔢 After an app is released, what comes right after “fix and improve”? (a) release an update (b) list what to fix (c) read user reviews (d) test it again
26. 26.⚙️ What number does this app show?
    let price = 30; // typed by the user
    let qty = 5; // typed by the user
    let total = price * qty;
    show(total);
27. 27.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [button] Next
    [text box] City
    [text box] Email
    [slider] Volume
    [button] Start
    [button] Help
28. 28.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) add money spent (c) pie-chart colours (d) export to a file
29. 29.⚙️ What number does this app show?
    let price = 75; // typed by the user
    let qty = 4; // typed by the user
    let total = price * qty;
    show(total);
30. 30.🎯 An app for “everyone” with no clear user usually ___. (a) needs no testing (b) helps nobody well (c) is easy to build (d) wins every prize
31. 31.True or false: an app has a web address. (a) True (b) False
32. 32.True or false: a result on screen is an input. (a) False (b) True
33. 33.🗒️ 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: 3 days
    check the answer: 1 days
    show the score: 5 days
34. 34.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a water reminder (b) a homework planner (c) a pocket-money tracker (d) a recipe finder
35. 35.🧩 What do we call one full page of an app? (a) a variable (b) a screen (c) a battery (d) a cable
36. 36.Which of these is true of an app? (a) needs no installing (b) opens from a link (c) opens in a web browser (d) is installed on a phone
37. 37.🛠️ At which stage do you share the download link? (a) the idea stage (b) the plan stage (c) the release stage (d) the build stage
38. 38.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
39. 39.True or false: an app needs no installing. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) a flashcard trainer (b) a spelling coach (c) a calculator (d) a times-table quiz

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