App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 462 · 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 slider for volume? (a) a button (b) a screen (c) an input (d) data
2. 2.⚙️ What number does this app show?
   let km = 2; // typed by the user
   let metres = km * 1000;
   show(metres);
3. 3.🗒️ Version 1 of a quiz app must be ready in 11 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: 3 days
4. 4.Which of these is a user need? (a) a search bar (b) a reminder alarm (c) a dark mode switch (d) “Small text is hard”
5. 5.⚙️ In an app, is sorting the scores an input, processing or an output? (a) output (b) processing (c) input
6. 6.🔍 Which is the odd one out? (a) a step counter (b) a puzzle with levels (c) a word battle (d) a racing challenge
7. 7.🎯 Is this a user need or a feature: “I forget my homework”? (a) a feature (b) a user need
8. 8.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 390; // typed by the user
   line 2: let off = 40; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 2 (b) line 3 (c) line 4 (d) line 1
9. 9.Which of these is a user need? (a) a reminder alarm (b) a share button (c) a dark mode switch (d) “I keep missing the bus”
10. 10.🧩 In an app, what is your high score? (a) a screen (b) a button (c) data (d) an input
11. 11.🧩 In an app, what is the log-in page? (a) a button (b) a screen (c) data (d) an input
12. 12.🗂️ What kind of app is a sleep tracker? (a) a game (b) a tool app (c) a learning app (d) a health app
13. 13.📱 The word “app” is short for ___. (a) application (b) appetite (c) apparatus (d) appointment
14. 14.🛠️ At which stage do you write the store text? (a) the release stage (b) the plan stage (c) the test stage (d) the build stage
15. 15.🧩 In an app, what is the home page of an app? (a) a button (b) data (c) an input (d) a screen
16. 16.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 11 votes
    losing water bottles: 13 votes
    missing the bus: 21 votes (a) missing the bus (b) losing water bottles (c) no quiet study place
17. 17.🧩 Which part lets the user give the app information? (a) an input (b) a logo (c) a title (d) an icon
18. 18.📅 An app team plans for 3 days, builds for 8 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
19. 19.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 300; // typed by the user
    line 2: let friends = 4; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 3 (b) line 4 (c) line 2 (d) line 1
20. 20.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 250; // typed by the user
    line 2: let off = 20; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 2 (b) line 3 (c) line 4 (d) line 1
21. 21.True or false: taking a photo is an input. (a) False (b) True
22. 22.⚙️ What number does this app show?
    let km = 15; // typed by the user
    let metres = km * 1000;
    show(metres);
23. 23.🎯 A short made-up profile of a typical user is called a ___. (a) password (b) protocol (c) persona (d) pixel
24. 24.True or false: today’s step count is a screen. (a) True (b) False
25. 25.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [text box] Phone
    [button] Done
    [slider] Volume
    [text box] City
    [button] Save (a) City (b) Volume (c) Phone (d) Done
26. 26.Which of these happens at the idea stage? (a) sketch the screens (b) write the store text (c) write the code (d) spot a problem to solve
27. 27.🗒️ Version 1 of a homework planner must be ready in 15 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 2 days
    see tasks by day: 5 days
28. 28.🔔 What is a message an app shows on your lock screen called? (a) a notification (b) a web address (c) a wireframe (d) a variable
29. 29.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 25; // 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 3 (b) line 4 (c) line 1 (d) line 2
31. 31.True or false: a water reminder is the best fit for a cook with no idea for dinner. (a) False (b) True
32. 32.🔢 When you make an app, which comes FIRST? (a) release it (b) build the app (c) test the app (d) get an idea
33. 33.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
34. 34.🔢 When you make an app, which comes first: “plan the screens” or “build the app”? (a) plan the screens (b) build the app
35. 35.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) add a homework task (c) share tasks to friends (d) pick a theme colour
36. 36.True or false: a buzz (vibration) is an output. (a) False (b) True
37. 37.📱 Which one updates from the store: an app or a website? (a) an app (b) a website
38. 38.Which of these is true of an app? (a) has a web address (b) needs no installing (c) opens in a web browser (d) is installed on a phone
39. 39.Which of these is a button? (a) tap to go Next (b) your saved notes (c) the home page of an app (d) the game-over page
40. 40.📱 Which one has a web address: an app or a website? (a) a website (b) an app

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