App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 19 · 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.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 490; // typed by the user
   line 2: let off = 30; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 4 (b) line 2 (c) line 1 (d) line 3
2. 2.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) check the answer (b) show the score (c) show a question (d) an avatar shop
3. 3.Which of these is an output? (a) typing your age (b) working out a tip (c) a pop-up message (d) speaking a command
4. 4.📱 Which one opens from a link: an app or a website? (a) a website (b) an app
5. 5.🗂️ What kind of app is a racing challenge? (a) a learning app (b) a game (c) a tool app (d) a health app
6. 6.📴 Which of these can often still work with no internet? (a) a new website (b) a video call (c) an online search (d) an installed app
7. 7.Which of these happens at the plan stage? (a) connect the data (b) talk to possible users (c) list what users need (d) pick the features
8. 8.True or false: a medicine reminder solves no real problem. (a) False (b) True
9. 9.Which of these app ideas solves a real problem? (a) a button with no action (b) a page of random dots (c) a blank grey screen (d) a medicine reminder
10. 10.👥 A cricket club app has 125 players, 295 coaches and 165 fans as users. How many more coaches than fans are there?
11. 11.🗒️ Version 1 of a water reminder must be ready in 13 days. How many days are left for extras after the must-haves?
    set a reminder time: 3 days
    log a glass of water: 3 days
    see today’s total: 5 days
12. 12.🔢 When you make an app, which comes FIRST? (a) build the app (b) release it (c) plan the screens (d) get an idea
13. 13.👥 A library app has 190 readers, 280 librarians and 55 volunteers as users. Which user group is the biggest? (a) readers (b) librarians (c) volunteers
14. 14.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) confetti effects (b) show a question (c) an avatar shop (d) background music
15. 15.🗂️ What kind of app is a torch? (a) a tool app (b) a health app (c) a learning app (d) a game
16. 16.True or false: a homework planner is the best fit for a runner who forgets to sip water. (a) False (b) True
17. 17.True or false: an app opens from a link. (a) False (b) True
18. 18.Which of these is a button? (a) a switch for dark mode (b) your friends list (c) the log-in page (d) tap to Start
19. 19.🧩 How many buttons does this app screen have?
    [title] New Note
    [button] Save
    [text box] Name
    [button] Cancel
    [slider] Brightness
20. 20.🧩 How many buttons does this app screen have?
    [title] Settings
    [text box] Due date
    [button] Cancel
    [button] Start
    [switch] Dark mode
    [button] Next
    [text box] Email
21. 21.🗒️ What is a must-have feature? (a) one the app cannot skip (b) a colour theme (c) a sound effect (d) a nice extra
22. 22.Which of these is an input? (a) tap to go Next (b) the home page of an app (c) a box to type a name (d) the game-over page
23. 23.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 150; // typed by the user
    line 2: let off = 10; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 2 (b) line 3 (c) line 1 (d) line 4
24. 24.🧩 In an app, what is your high score? (a) an input (b) a button (c) data (d) a screen
25. 25.👥 A school app has 135 students, 235 teachers and 255 parents as users. Which user group is the biggest? (a) students (b) parents (c) teachers
26. 26.🧩 How many buttons does this app screen have?
    [title] Settings
    [text box] Subject
    [text box] Email
    [slider] Volume
    [button] Back
27. 27.🔢 When you make an app, which comes first: “release it” or “test the app”? (a) test the app (b) release it
28. 28.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 5; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 1 (b) line 2 (c) line 3
29. 29.🗒️ Version 1 of a water reminder must be ready in 15 days. How many days are left for extras after the must-haves?
    set a reminder time: 4 days
    log a glass of water: 1 days
    see today’s total: 4 days
30. 30.🗒️ Version 1 of a pocket-money tracker must be ready in 12 days. How many days are left for extras after the must-haves?
    add money received: 4 days
    add money spent: 3 days
    show the balance: 2 days
31. 31.🔢 When you make an app, which comes LAST? (a) build the app (b) release it (c) get an idea (d) plan the screens
32. 32.True or false: a times-table quiz is a learning app. (a) True (b) False
33. 33.🗒️ 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: 4 days
    check the answer: 1 days
    show the score: 5 days
34. 34.🔍 Which is the odd one out? (a) a sleep tracker (b) a water reminder (c) a step counter (d) a spelling coach
35. 35.🔢 After an app is released, which comes first: “read user reviews” or “test it again”? (a) read user reviews (b) test it again
36. 36.True or false: adding up a bill is an output. (a) True (b) False
37. 37.True or false: a library due-date alert solves no real problem. (a) False (b) True
38. 38.🗒️ The first small, working version of an app is often called an ___. (a) MVP (b) FAQ (c) CPU (d) URL
39. 39.🔢 After an app is released, what comes right after “test it again”? (a) release an update (b) fix and improve (c) read user reviews (d) list what to fix
40. 40.🗂️ What kind of app is a calculator? (a) a game (b) a health app (c) a learning app (d) a tool app

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