App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 716 · 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.⚙️ What number does this app show?
   let price = 160; // typed by the user
   let off = 40; // typed by the user
   let pay = price - off;
   show(pay);
2. 2.🧩 Which input is best for turning something ON or OFF? (a) a slider (b) a title (c) a text box (d) a switch
3. 3.🎯 Is this a user need or a feature: “Small text is hard”? (a) a user need (b) a feature
4. 4.🗒️ Version 1 of a quiz app must be ready in 16 days. How many days are left for extras after the must-haves?
   show a question: 2 days
   check the answer: 4 days
   show the score: 5 days
5. 5.🧩 In an app, what is the game-over page? (a) data (b) a button (c) an input (d) a screen
6. 6.True or false: a recipe finder is the best fit for a student who keeps forgetting due dates. (a) True (b) False
7. 7.Which of these app ideas solves a real problem? (a) a free study-room finder (b) a page of random dots (c) an app that just says hi (d) a blank grey screen
8. 8.True or false: sorting the scores is an output. (a) False (b) True
9. 9.True or false: taking a photo is an input. (a) True (b) False
10. 10.🧩 In an app, what is your high score? (a) data (b) a screen (c) an input (d) a button
11. 11.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [text box] City
    [button] Next
    [text box] Due date
    [slider] Volume
12. 12.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
13. 13.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] Due date
    [button] Start
    [button] Back
    [slider] Brightness
    [button] Help (a) Start (b) Due date (c) Brightness
14. 14.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
15. 15.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) earn stickers (c) see tasks by day (d) pick a theme colour
16. 16.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Send
    [text box] Phone
17. 17.True or false: a result on screen is an output. (a) False (b) True
18. 18.📱 Where do people usually download phone apps from? (a) a charger (b) an app store (c) a web server (d) a printer
19. 19.True or false: a cricket run chase is a learning app. (a) False (b) True
20. 20.Which of these is an input? (a) a pop-up message (b) taking a photo (c) a beep sound (d) a result on screen
21. 21.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] Email
    [button] Save
    [switch] Sound
    [text box] Subject
    [text box] Notes (a) Email (b) Notes (c) Subject (d) Save
22. 22.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) an avatar shop (c) confetti effects (d) check the answer
23. 23.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) share tasks to friends (c) see tasks by day (d) add a homework task
24. 24.🔍 Which is the odd one out? (a) a spelling coach (b) a times-table quiz (c) a step counter (d) a flashcard trainer
25. 25.👥 A school app has 20 students, 30 teachers and 300 parents as users. Which user group is the biggest? (a) students (b) teachers (c) parents
26. 26.💡 Which is a problem statement? (a) “Use blue buttons” (b) “Add a logo” (c) “Make it fast” (d) “Kids forget homework”
27. 27.🗒️ Version 1 of a homework planner must be ready in 11 days. How many days are left for extras after the must-haves?
    add a homework task: 3 days
    set a due date: 4 days
    see tasks by day: 4 days
28. 28.👥 A school app has 285 students, 185 teachers and 75 parents as users. How many more students than parents are there?
29. 29.🎯 Who are the users of an app? (a) the app icons (b) only the coders (c) only the testers (d) the people who use it
30. 30.🎯 What is a user need? (a) a phone setting (b) a problem a user has (c) a colour theme (d) a type of button
31. 31.True or false: a website comes from an app store. (a) False (b) True
32. 32.Which of these is an input? (a) the settings page (b) tap to Save (c) a box to type a name (d) your high score
33. 33.⚙️ In an app, is a pop-up message an input, processing or an output? (a) processing (b) input (c) output
34. 34.🗒️ Version 1 of a quiz app must be ready in 14 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: 4 days
35. 35.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
36. 36.📅 An app team plans for 5 days, builds for 4 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
37. 37.Which of these is true of a website? (a) updates from the store (b) opens in a web browser (c) comes from an app store (d) has a home-screen icon
38. 38.⚙️ In an app, is checking a password an input, processing or an output? (a) input (b) output (c) processing
39. 39.👥 A cricket club app has 70 players, 160 coaches and 45 fans as users. Which user group is the biggest? (a) fans (b) coaches (c) players
40. 40.🔍 Which is the odd one out? (a) a flashcard trainer (b) a spelling coach (c) a times-table quiz (d) a unit converter

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