App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 189 · 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.🧩 In an app, what is a date picker? (a) data (b) a button (c) an input (d) a screen
2. 2.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   missing the bus: 12 votes
   wasting pocket money: 22 votes
   forgetting birthdays: 11 votes (a) wasting pocket money (b) missing the bus (c) forgetting birthdays
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 30; // typed by the user
   line 2: let qty = 6; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 2 (b) line 1 (c) line 4 (d) line 3
4. 4.Which of these is an output? (a) working out a tip (b) typing your age (c) taking a photo (d) a pop-up message
5. 5.True or false: you sketch the screens at the idea stage. (a) False (b) True
6. 6.📅 An app team plans for 2 days, builds for 12 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
7. 7.⚙️ What number does this app show?
   let km = 10; // typed by the user
   let metres = km * 1000;
   show(metres);
8. 8.🗒️ 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
9. 9.True or false: a beep sound is an input. (a) False (b) True
10. 10.🧩 What does a button do when you tap it? (a) saves the battery (b) changes the phone (c) shows the time (d) starts an action
11. 11.👥 A school app has 95 students, 100 teachers and 195 parents as users. Which user group is the biggest? (a) teachers (b) students (c) parents
12. 12.Which of these is true of an app? (a) needs no installing (b) has a web address (c) has a home-screen icon (d) opens from a link
13. 13.True or false: a recipe finder is the best fit for a student who often misses the school bus. (a) True (b) False
14. 14.True or false: sorting the scores is an input. (a) True (b) False
15. 15.True or false: an app is installed on a phone. (a) True (b) False
16. 16.🔔 What is a message an app shows on your lock screen called? (a) a notification (b) a wireframe (c) a web address (d) a variable
17. 17.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [button] Help
    [text box] City
    [text box] Name
18. 18.🗂️ What kind of app is a step counter? (a) a health app (b) a tool app (c) a game (d) a learning app
19. 19.🗒️ 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: 1 days
    set a due date: 2 days
    see tasks by day: 5 days
20. 20.Which of these is data? (a) your friends list (b) tap to Save (c) the log-in page (d) a switch for dark mode
21. 21.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 4; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 1 (b) line 3 (c) line 2
22. 22.🗒️ Why keep version 1 small? (a) to use up storage (b) to look bigger (c) to confuse users (d) to learn from users soon
23. 23.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) confetti effects (b) an avatar shop (c) show a question (d) background music
24. 24.🔢 After an app is released, what comes right after “test it again”? (a) release an update (b) read user reviews (c) fix and improve (d) list what to fix
25. 25.True or false: you spot a problem to solve at the plan stage. (a) True (b) False
26. 26.📅 An app team plans for 2 days, builds for 5 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
27. 27.💡 Does an app idea like a medicine reminder solve a real problem? (a) Yes (b) No
28. 28.🗒️ Version 1 of a quiz app must be ready in 12 days. How many days are left for extras after the must-haves?
    show a question: 3 days
    check the answer: 3 days
    show the score: 5 days
29. 29.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 6 votes
    missing the bus: 17 votes
    forgetting homework: 15 votes (a) wasting pocket money (b) forgetting homework (c) missing the bus
30. 30.True or false: an app needs no installing. (a) False (b) True
31. 31.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [button] Next
    [switch] Remind me
    [button] Help
    [text box] Phone
32. 32.True or false: typing your age is an output. (a) True (b) False
33. 33.True or false: a times-table quiz is a health app. (a) False (b) True
34. 34.🧩 In an app, what is the game-over page? (a) a screen (b) a button (c) data (d) an input
35. 35.🧩 In an app, what is tap to go Next? (a) a screen (b) a button (c) an input (d) data
36. 36.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
37. 37.👥 A library app has 120 readers, 45 librarians and 95 volunteers as users. Which user group is the biggest? (a) librarians (b) volunteers (c) readers
38. 38.🔢 When you make an app, what comes right after “get an idea”? (a) test the app (b) release it (c) build the app (d) plan the screens
39. 39.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting homework: 6 votes
    no quiet study place: 4 votes
    losing water bottles: 22 votes (a) forgetting homework (b) no quiet study place (c) losing water bottles
40. 40.True or false: a pocket-money tracker is the best fit for a runner who forgets to sip water. (a) False (b) True

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students