App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 248 · 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.👥 A school app has 145 students, 190 teachers and 35 parents as users. How many users does it have in all?
2. 2.📊 Survey: which problem bugs you most? How many students voted in all?
   losing water bottles: 25 votes
   missing the bus: 15 votes
   no quiet study place: 10 votes
3. 3.🗒️ 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: 1 days
   show the score: 3 days
4. 4.True or false: a sleep tracker is a health app. (a) False (b) True
5. 5.True or false: a slider for volume is a screen. (a) False (b) True
6. 6.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 147; // typed by the user
   line 2: let friends = 3; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 2 (b) line 4 (c) line 3 (d) line 1
7. 7.📅 An app team plans for 3 days, builds for 6 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
8. 8.🧩 In an app, what is your high score? (a) an input (b) a button (c) data (d) a screen
9. 9.🧩 What do we call one full page of an app? (a) a variable (b) a battery (c) a screen (d) a cable
10. 10.True or false: checking a password is processing. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) a word battle (b) a step counter (c) a racing challenge (d) a cricket run chase
12. 12.🎯 Is this a user need or a feature: “I forget my homework”? (a) a feature (b) a user need
13. 13.Which of these is a screen? (a) a slider for volume (b) the settings page (c) tap to Send (d) a switch for dark mode
14. 14.🎯 Is this a user need or a feature: a search bar? (a) a user need (b) a feature
15. 15.True or false: a racing challenge is a health app. (a) False (b) True
16. 16.⚙️ 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 2 (b) line 1 (c) line 4 (d) line 3
17. 17.⚙️ In an app, is typing your age an input, processing or an output? (a) processing (b) input (c) output
18. 18.Which of these is true of a website? (a) updates from the store (b) is installed on a phone (c) comes from an app store (d) has a web address
19. 19.🧩 How many buttons does this app screen have?
    [title] Settings
    [slider] Brightness
    [text box] City
    [button] Help
20. 20.🔍 Which is the odd one out? (a) working out a tip (b) checking a password (c) adding up a bill (d) speaking a command
21. 21.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 6; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 2 (b) line 3 (c) line 1
22. 22.⚙️ What number does this app show?
    let price = 70; // typed by the user
    let qty = 6; // typed by the user
    let total = price * qty;
    show(total);
23. 23.🛠️ At which stage do you try every button? (a) the idea stage (b) the release stage (c) the build stage (d) the test stage
24. 24.🎯 Who are the users of an app? (a) only the coders (b) the people who use it (c) only the testers (d) the app icons
25. 25.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) show the score (c) an avatar shop (d) confetti effects
26. 26.📱 Which one opens in a web browser: an app or a website? (a) a website (b) an app
27. 27.🧩 Which input is best for typing your name? (a) a slider (b) a switch (c) a picture (d) a text box
28. 28.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) earn stickers (b) pick a theme colour (c) see tasks by day (d) share tasks to friends
29. 29.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) export to a file (c) add money spent (d) show the balance
30. 30.🗂️ What kind of app is a spelling coach? (a) a tool app (b) a game (c) a learning app (d) a health app
31. 31.👥 A clinic app has 130 patients, 110 doctors and 270 nurses as users. How many users does it have in all?
32. 32.Which of these is true of an app? (a) needs no installing (b) updates from the store (c) opens in a web browser (d) opens from a link
33. 33.🔢 When you make an app, what comes right after “get an idea”? (a) release it (b) test the app (c) plan the screens (d) build the app
34. 34.True or false: a recipe finder is the best fit for a reader who finds small print hard. (a) False (b) True
35. 35.⚙️ What number does this app show?
    let bill = 325; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
36. 36.Which of these is a button? (a) your high score (b) a date picker (c) tap to Send (d) the log-in page
37. 37.📅 An app team plans for 4 days, builds for 9 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
38. 38.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Send
    [slider] Brightness
    [text box] Name
    [switch] Sound (a) Brightness (b) Name (c) Sound (d) Send
39. 39.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) check the answer (c) confetti effects (d) background music
40. 40.💡 An app that tries to do everything at once is usually ___. (a) hard to use (b) easy to build (c) very small (d) finished fast

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