App Dev Worksheet: Final Test

App development lesson 24: App development final test · Set 92 · 40 questions

Developer's tip (Plan, design, build, check): Find the topic: what apps are, designing apps, or logic and building. Read every screen, list or code line carefully, top to bottom. For code, write each value down step by step and check it again.

1. 1.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Menu → Size → Address
   Design B: Home → Confirm → Item (a) Design A (b) Design B
2. 2.🧰 How do you run (call) a function called greet? (a) greet[] (b) #greet (c) run greet (d) greet()
3. 3.🔁 In for (let i = 0; i < 3; i++), which values does i take? (a) 1, 2, 3 (b) 0, 1, 2 (c) 3 (d) 0, 1, 2, 3
4. 4.🚀 Your app is at version 2.8.8. The next release fixes a small bug. What is its version number? (a) 2.9.8 (b) 2.8.9 (c) 2.9.0 (d) 3.0.0
5. 5.🔢 In a quiz-app flow, which comes first: “read a question” or “tap “Start quiz””? (a) read a question (b) tap “Start quiz”
6. 6.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud
7. 7.🧪 What is the ACTUAL result of Test 2?
   🎟️ Rule: a ticket costs 50 for children under 11, and 100 for everyone else.
   function price(age) {
     if (age <= 11) {
       return 50;
     }
     return 100;
   }
   Test 1: price(12) → expected 100
   Test 2: price(11) → expected 100
   Test 3: price(9) → expected 50
8. 8.Which colour pair is easy to read? (a) black on yellow (b) light grey on white (c) dark blue on black (d) yellow on white
9. 9.Which of these is an output? (a) checking a password (b) a buzz (vibration) (c) tapping a button (d) sorting the scores
10. 10.📊 Survey: which problem bugs you most? How many students voted in all?
    missing the bus: 14 votes
    no quiet study place: 13 votes
    losing water bottles: 25 votes
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Menu: 24 px
    Footer: 21 px
    Body text: 16 px
    Label: 10 px
12. 12.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ filter buttons ]
    [ list of items ]
    [ menu icon ]
13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) colour as the only clue (d) text that can grow
14. 14.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) is a quick sketch (d) looks like the real app
15. 15.True or false: a website updates from the store. (a) False (b) True
16. 16.🗂️ What kind of app is a flashcard trainer? (a) a game (b) a tool app (c) a health app (d) a learning app
17. 17.True or false: an app opens from a link. (a) True (b) False
18. 18.🔢 In a food-order flow, what comes right after “check the cart”? (a) pick a dish (b) track the order (c) pay for the order (d) add it to the cart
19. 19.True or false: a recipe finder is the best fit for a pupil juggling five projects. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) a puzzle with levels (b) a racing challenge (c) a times-table quiz (d) a word battle
21. 21.🗒️ A to-do app with no “add a task” feature is ___. (a) well planned (b) ready to release (c) a nice extra (d) missing a must-have
22. 22.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) see tasks by day (b) earn stickers (c) share tasks to friends (d) pick a theme colour
23. 23.🧰 What does this code show?
    function greet(name) {
      return "Hi, " + name + "!";
    }
    show(greet("Zoya")); (a) Hi, Zoya! (b) Hi, name! (c) Zoya (d) greet
24. 24.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) check the answer (b) an avatar shop (c) show a question (d) show the score
25. 25.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) pie-chart colours (b) show the balance (c) add money spent (d) add money received
26. 26.👥 A school app has 115 students, 45 teachers and 195 parents as users. Which user group is the biggest? (a) students (b) parents (c) teachers
27. 27.🔀 What number does this shop app show?
    let total = 640;
    if (total > 500) {
      total = total - 50;
    }
    show(total);
28. 28.🧪 A test fails when ___. (a) the app is new (b) both are the same (c) the font is big (d) actual is not expected
29. 29.🗒️ The first small, working version of an app is often called an ___. (a) FAQ (b) URL (c) MVP (d) CPU
30. 30.Which of these is data? (a) tap to Save (b) tap to Start (c) your saved notes (d) a box to type a name
31. 31.🧩 How many buttons does this app screen have?
    [title] Settings
    [text box] Subject
    [button] Cancel
    [button] Next
    [text box] Phone
    [button] Help
32. 32.📅 An app team plans for 4 days, builds for 5 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
33. 33.🔐 Is this permission request fair or too much: torch → contacts? (a) too much (b) fair
34. 34.🧩 In an app, what is tap to go Next? (a) a button (b) data (c) an input (d) a screen
35. 35.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) check the answer (c) an avatar shop (d) confetti effects
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Map”
    4. open “Friend list”
    Which screen are you on now? (a) Friend list (b) Map (c) Quiz (d) Lessons
37. 37.🗒️ 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) set a reminder time
38. 38.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 40 px tall
    Back button: 60 px tall
    Cancel button: 60 px tall
    Done button: 56 px tall (a) Cancel (b) Back (c) Next (d) Done
39. 39.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ menu icon ]
    [ Save button ]
    [ Add button ]
    [ filter buttons ] (a) Save button (b) filter buttons (c) Add button
40. 40.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see the final score (b) pick an answer (c) read a question (d) see if it is right

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