App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 773 · 40 questions

Developer's tip (Think like the user): First decide which topic the question is about. Use that lesson’s rule: 48 px buttons, 16 px text, the screen stack, the flow order. For code, count positions from 0.

1. 1.🖼️ How many parts (boxes) does this wireframe have?
   [ tab bar ]
   [ list of items ]
   [ search box ]
   [ menu icon ]
   [ title text ]
   [ Save button ]
2. 2.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Send button: 72 px tall
   Done button: 52 px tall
   Help button: 40 px tall (a) Send (b) Help (c) Done
3. 3.🔢 In a food-order flow, which comes first: “check the cart” or “track the order”? (a) track the order (b) check the cart
4. 4.✏️ What is a wireframe? (a) a charging cable (b) a type of password (c) a simple screen sketch (d) the finished app
5. 5.True or false: a shared to-do list fits saving on the phone. (a) False (b) True
6. 6.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Map”
   2. tap the Chat tab
   3. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
8. 8.Which colour pair is hard to read? (a) white on black (b) black on pale grey (c) white on dark green (d) pale pink on white
9. 9.🔍 Which is the odd one out? (a) the screen layout (b) the button colours (c) whether users get lost (d) the theme colours
10. 10.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 2 (c) 10 (d) 0
11. 11.💾 Which can hold many values in order? (a) a single number (b) a switch (c) a button (d) a list
12. 12.🔢 In a food-order flow, what comes right after “check the cart”? (a) open the menu (b) add it to the cart (c) pick a dish (d) pay for the order
13. 13.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
14. 14.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Offers → Pens
    Design B: Home → Item → Pens → Address → Cart → Search (a) Design B (b) Design A
15. 15.💾 What number does this code show?
    let coins = 9;
    coins = coins - 5;
    coins = coins + 4;
    show(coins);
16. 16.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ search box ]
    [ list of items ]
    [ Save button ]
    [ top bar ]
    [ filter buttons ] (a) list of items (b) top bar (c) search box (d) filter buttons
17. 17.💾 What number does this code show?
    let notes = ["Hindi", "Sports", "Art"];
    notes.push("Maths");
    notes.push("Music");
    show(notes.length);
18. 18.Which colour pair is easy to read? (a) white on black (b) red on green (c) pale pink on white (d) light grey on white
19. 19.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Cart → Pens
    Design B: Home → Confirm → Results → Pay → Pens → Item (a) Design A (b) Design B
20. 20.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) tap “Start quiz” (b) pick an answer (c) read a question (d) see the final score
21. 21.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ list of items ]
    [ Add button ]
    [ search box ]
    [ top bar ] (a) search box (b) top bar (c) Add button
22. 22.🔘 Our rule: buttons are at least 48 px tall. The Send button is 24 px tall. How many px taller must it be?
23. 23.🔢 In a sign-up flow, which comes first: “make a password” or “enter the code sent”? (a) enter the code sent (b) make a password
24. 24.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
25. 25.🎨 Is this about UI or UX: the screen layout? (a) UX (b) UI
26. 26.Which of these is about UI (the look)? (a) how users feel after (b) whether users get lost (c) how many taps it takes (d) the screen layout
27. 27.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) undoes one move
28. 28.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
29. 29.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Music", "Art"];
    show(notes[1]); (a) Art (b) Music (c) Hindi
30. 30.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
31. 31.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) in the cloud (b) on the phone
32. 32.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
33. 33.Which of these helps everyone use the app? (a) big touch targets (b) icons with no labels (c) tiny tap areas (d) sudden loud sounds
34. 34.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) a phone case (c) a 3D printer (d) pencil and paper
35. 35.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “see the final score”? (a) see the final score (b) tap “Start quiz”
36. 36.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) text that can grow (d) labels on every icon
37. 37.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 36 px tall
    Start button: 56 px tall
    Help button: 36 px tall
    Cancel button: 64 px tall
38. 38.🖼️ How many parts (boxes) does this wireframe have?
    [ tab bar ]
    [ top bar ]
    [ menu icon ]
    [ big picture ]
    [ Add button ]
39. 39.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) pick an answer (c) tap “Start quiz” (d) read a question
40. 40.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 36 px tall
    Next button: 72 px tall
    Done button: 52 px tall (a) Next (b) Send (c) Done

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