App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 858 · 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.🗒️ Version 1 of a homework planner must be ready in 10 days. How many days are left for extras after the must-haves?
   add a homework task: 1 days
   set a due date: 1 days
   see tasks by day: 3 days
2. 2.🧩 In an app, what is the game-over page? (a) a screen (b) an input (c) a button (d) data
3. 3.True or false: a homework planner is the best fit for a student who often misses the school bus. (a) True (b) False
4. 4.👥 A library app has 260 readers, 95 librarians and 50 volunteers as users. Which user group is the biggest? (a) volunteers (b) librarians (c) readers
5. 5.Which of these is data? (a) a switch for dark mode (b) today’s step count (c) tap to Send (d) the home page of an app
6. 6.🧩 What do we call one full page of an app? (a) a variable (b) a screen (c) a cable (d) a battery
7. 7.🧩 What does a button do when you tap it? (a) shows the time (b) saves the battery (c) changes the phone (d) starts an action
8. 8.🎯 Is this a user need or a feature: a share button? (a) a user need (b) a feature
9. 9.True or false: an app is installed on a phone. (a) True (b) False
10. 10.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) confetti effects (c) an avatar shop (d) check the answer
11. 11.🔍 Which is the odd one out? (a) a spelling coach (b) a puzzle with levels (c) a word battle (d) a cricket run chase
12. 12.Which of these is an output? (a) taking a photo (b) working out a tip (c) a result on screen (d) typing your age
13. 13.💡 Does an app idea like a button with no action solve a real problem? (a) No (b) Yes
14. 14.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 205; // typed by the user
    line 2: let friends = 5; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 3 (b) line 4 (c) line 1 (d) line 2
15. 15.⚙️ What number does this app show?
    let km = 10; // typed by the user
    let metres = km * 1000;
    show(metres);
16. 16.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [switch] Remind me
    [text box] Notes
    [button] Back
    [slider] Text size
    [text box] Phone
    [button] Start
    [text box] Subject
17. 17.True or false: a pocket-money tracker is the best fit for a runner who forgets to sip water. (a) True (b) False
18. 18.🎯 Is this a user need or a feature: “What should I cook?”? (a) a user need (b) a feature
19. 19.🛠️ At which stage do you spot a problem to solve? (a) the test stage (b) the release stage (c) the idea stage (d) the plan stage
20. 20.🎯 Is this a user need or a feature: “I forget my homework”? (a) a user need (b) a feature
21. 21.True or false: you write the code at the test stage. (a) False (b) True
22. 22.📊 Survey: which problem bugs you most? How many students voted in all?
    missing the bus: 15 votes
    forgetting birthdays: 12 votes
    forgetting homework: 22 votes
23. 23.True or false: a slider for volume is an input. (a) False (b) True
24. 24.True or false: a water reminder is the best fit for a gamer who forgets to drink. (a) False (b) True
25. 25.⚙️ What number does this app show?
    let km = 8; // typed by the user
    let metres = km * 1000;
    show(metres);
26. 26.⚙️ In an app, is a beep sound an input, processing or an output? (a) processing (b) input (c) output
27. 27.Which of these is processing? (a) a pop-up message (b) adding up a bill (c) typing your age (d) a result on screen
28. 28.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 2; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
29. 29.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [button] Start
    [text box] Name
30. 30.🗂️ What kind of app is a unit converter? (a) a tool app (b) a game (c) a learning app (d) a health app
31. 31.⚙️ In an app, is a pop-up message an input, processing or an output? (a) output (b) input (c) processing
32. 32.🔍 Which is the odd one out? (a) a beep sound (b) typing your age (c) a pop-up message (d) a buzz (vibration)
33. 33.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) pick a theme colour (c) add a homework task (d) share tasks to friends
34. 34.🎯 Who are the users of an app? (a) the app icons (b) only the coders (c) the people who use it (d) only the testers
35. 35.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 9 votes
    losing water bottles: 6 votes
    forgetting birthdays: 25 votes (a) no quiet study place (b) forgetting birthdays (c) losing water bottles
36. 36.Which of these is true of an app? (a) needs no installing (b) has a home-screen icon (c) opens from a link (d) has a web address
37. 37.⚙️ What number does this app show?
    let km = 4; // typed by the user
    let metres = km * 1000;
    show(metres);
38. 38.🔢 When you make an app, which comes first: “plan the screens” or “get an idea”? (a) get an idea (b) plan the screens
39. 39.True or false: a homework planner is the best fit for a runner who forgets to sip water. (a) False (b) True
40. 40.True or false: a pocket-money tracker is the best fit for a teen whose money runs out by Friday. (a) True (b) False

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