App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 194 · 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.🔔 What is a message an app shows on your lock screen called? (a) a wireframe (b) a variable (c) a web address (d) a notification
2. 2.👥 A cricket club app has 120 players, 185 coaches and 230 fans as users. How many users does it have in all?
3. 3.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) confetti effects (b) background music (c) an avatar shop (d) show a question
4. 4.👥 A library app has 255 readers, 90 librarians and 230 volunteers as users. How many more volunteers than librarians are there?
5. 5.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 330; // 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 1 (b) line 4 (c) line 2 (d) line 3
6. 6.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 128; // 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 1 (b) line 4 (c) line 2 (d) line 3
7. 7.⚙️ What number does this app show?
   let bill = 105; // typed by the user
   let friends = 3; // typed by the user
   let share = bill / friends;
   show(share);
8. 8.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
9. 9.True or false: a bus tracker is the best fit for a gamer who forgets to drink. (a) False (b) True
10. 10.📱 Where do people usually download phone apps from? (a) a charger (b) an app store (c) a printer (d) a web server
11. 11.🗒️ Version 1 of a homework planner must be ready in 13 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 4 days
    see tasks by day: 3 days
12. 12.🗂️ What kind of app is a racing challenge? (a) a game (b) a learning app (c) a tool app (d) a health app
13. 13.💡 Which app idea solves this problem: students cannot find a quiet room? (a) a homework planner (b) a medicine reminder (c) a study-room finder (d) a bill splitter
14. 14.🗂️ What kind of app is a puzzle with levels? (a) a learning app (b) a game (c) a health app (d) a tool app
15. 15.🔢 When you make an app, which comes FIRST? (a) release it (b) test the app (c) get an idea (d) plan the screens
16. 16.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 110; // 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 4 (b) line 1 (c) line 2 (d) line 3
17. 17.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) share your streak (c) set a reminder time (d) custom alert sounds
18. 18.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a big-text reader (b) a recipe finder (c) a bus tracker (d) a water reminder
19. 19.🧩 Which of these is a button on this screen?
    [title] New Note
    [text box] City
    [button] Cancel
    [button] Done (a) City (b) Done
20. 20.Which of these is true of an app? (a) opens in a web browser (b) has a web address (c) needs no installing (d) is installed on a phone
21. 21.🗒️ Version 1 of a bus tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    see where the bus is: 3 days
    show arrival time: 1 days
    pick your bus stop: 4 days
22. 22.🔍 Which is the odd one out? (a) put it on an app store (b) write the store text (c) talk to possible users (d) share the download link
23. 23.🎯 Is this a user need or a feature: “Small text is hard”? (a) a user need (b) a feature
24. 24.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “losing water bottles”?
    forgetting birthdays: 8 votes
    wasting pocket money: 20 votes
    losing water bottles: 18 votes
25. 25.Which of these is true of a website? (a) is installed on a phone (b) comes from an app store (c) updates from the store (d) opens from a link
26. 26.Which of these is a user need? (a) “I keep missing the bus” (b) a share button (c) a search bar (d) a reminder alarm
27. 27.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [button] Cancel
    [button] Back
    [text box] City
    [switch] Show hints
    [button] Next
28. 28.Which of these is an output? (a) a result on screen (b) taking a photo (c) speaking a command (d) checking a password
29. 29.True or false: taking a photo is an output. (a) True (b) False
30. 30.📲 What happens when you tap an app’s icon? (a) the app is deleted (b) the phone charges (c) the app opens (d) the sound turns off
31. 31.Which of these is true of an app? (a) opens from a link (b) has a web address (c) comes from an app store (d) needs no installing
32. 32.💡 Does an app idea like a lost-and-found board solve a real problem? (a) No (b) Yes
33. 33.👥 A cricket club app has 55 players, 250 coaches and 95 fans as users. Which user group is the biggest? (a) coaches (b) players (c) fans
34. 34.Which of these is true of a website? (a) is installed on a phone (b) updates from the store (c) comes from an app store (d) has a web address
35. 35.Which of these app ideas solves a real problem? (a) a page of random dots (b) a blank grey screen (c) a button with no action (d) a free study-room finder
36. 36.⚙️ What number does this app show?
    let price = 180; // typed by the user
    let off = 40; // typed by the user
    let pay = price - off;
    show(pay);
37. 37.🔍 Which is the odd one out? (a) sorting the scores (b) adding up a bill (c) a result on screen (d) checking a password
38. 38.True or false: taking a photo is processing. (a) True (b) False
39. 39.🗂️ What kind of app is a word battle? (a) a learning app (b) a game (c) a tool app (d) a health app
40. 40.True or false: an app has a home-screen icon. (a) True (b) False

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