App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 532 · 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.🧩 How many buttons does this app screen have?
   [title] New Note
   [text box] Notes
   [button] Cancel
   [button] Next
   [text box] Due date
2. 2.True or false: a date picker is data. (a) True (b) False
3. 3.True or false: a pocket-money tracker is the best fit for a runner who forgets to sip water. (a) True (b) False
4. 4.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [switch] Dark mode
   [button] Start
   [text box] Age
   [button] Send
5. 5.🧩 How many buttons does this app screen have?
   [title] Order Snacks
   [text box] Due date
   [button] Save
   [text box] Notes
6. 6.🧩 What do we call one full page of an app? (a) a cable (b) a screen (c) a battery (d) a variable
7. 7.True or false: you try every button at the test stage. (a) True (b) False
8. 8.🧩 In an app, what is your saved notes? (a) a button (b) a screen (c) data (d) an input
9. 9.🗒️ Version 1 of a bus tracker must be ready in 10 days. How many days are left for extras after the must-haves?
   see where the bus is: 3 days
   show arrival time: 3 days
   pick your bus stop: 2 days
10. 10.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) rate the driver (c) a dark mode (d) show arrival time
11. 11.🎯 Who are the users of an app? (a) only the coders (b) the app icons (c) the people who use it (d) only the testers
12. 12.💡 Which app idea solves this problem: the library is always full? (a) a bill splitter (b) a medicine reminder (c) a study-room finder (d) a homework planner
13. 13.⚙️ What number does this app show?
    let km = 6; // typed by the user
    let metres = km * 1000;
    show(metres);
14. 14.True or false: your friends list is a screen. (a) True (b) False
15. 15.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 10; // typed by the user
    line 2: let qty = 2; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 1 (b) line 4 (c) line 2 (d) line 3
16. 16.True or false: a pocket-money tracker is the best fit for a student who keeps forgetting due dates. (a) True (b) False
17. 17.🧩 Which input is best for typing your name? (a) a switch (b) a text box (c) a slider (d) a picture
18. 18.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 12 votes
    missing the bus: 8 votes
    forgetting homework: 25 votes (a) forgetting birthdays (b) missing the bus (c) forgetting homework
19. 19.True or false: a website needs no installing. (a) False (b) True
20. 20.👥 A library app has 130 readers, 220 librarians and 120 volunteers as users. Which user group is the biggest? (a) readers (b) librarians (c) volunteers
21. 21.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
22. 22.👥 A cricket club app has 230 players, 125 coaches and 65 fans as users. Which user group is the biggest? (a) coaches (b) fans (c) players
23. 23.True or false: a lost-and-found board solves a real problem. (a) False (b) True
24. 24.True or false: a website opens from a link. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) a result on screen (b) a beep sound (c) taking a photo (d) a buzz (vibration)
26. 26.💡 Which app idea solves this problem: a patient misses doses? (a) a lost-and-found board (b) a medicine reminder (c) a bill splitter (d) a study-room finder
27. 27.⚙️ In an app, is working out a tip an input, processing or an output? (a) input (b) processing (c) output
28. 28.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money spent (b) savings stickers (c) pie-chart colours (d) export to a file
29. 29.📲 What happens when you tap an app’s icon? (a) the app is deleted (b) the app opens (c) the sound turns off (d) the phone charges
30. 30.⚙️ In an app, is adding up a bill an input, processing or an output? (a) output (b) processing (c) input
31. 31.🗂️ What kind of app is a step counter? (a) a game (b) a tool app (c) a learning app (d) a health app
32. 32.📱 Which one comes from an app store: an app or a website? (a) an app (b) a website
33. 33.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
34. 34.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Done
    [text box] City
    [button] Start
    [switch] Sound
    [text box] Name
    [slider] Brightness
    [button] Save
    [text box] Subject (a) Name (b) City (c) Subject (d) Start
35. 35.👥 A school app has 140 students, 195 teachers and 30 parents as users. How many users does it have in all?
36. 36.🗒️ Version 1 of a water reminder must be ready in 11 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 4 days
    see today’s total: 2 days
37. 37.🗒️ Version 1 of a pocket-money tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    add money received: 3 days
    add money spent: 4 days
    show the balance: 2 days
38. 38.True or false: you connect the data at the idea stage. (a) False (b) True
39. 39.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) see where the bus is (b) pick your bus stop (c) change the bus icon (d) show arrival time
40. 40.📅 An app team plans for 2 days, builds for 8 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?

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