App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 163 · 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 today’s step count? (a) a screen (b) an input (c) data (d) a button
2. 2.💡 Does an app idea like a bill splitter solve a real problem? (a) No (b) Yes
3. 3.🎯 Is this a user need or a feature: a share button? (a) a user need (b) a feature
4. 4.True or false: a date picker is an input. (a) True (b) False
5. 5.Which of these is an output? (a) taking a photo (b) a buzz (vibration) (c) speaking a command (d) working out a tip
6. 6.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 55; // 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
7. 7.True or false: a word battle is a learning app. (a) False (b) True
8. 8.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show a question (b) confetti effects (c) check the answer (d) show the score
9. 9.🗒️ Version 1 of a homework planner must be ready in 14 days. How many days are left for extras after the must-haves?
   add a homework task: 3 days
   set a due date: 4 days
   see tasks by day: 4 days
10. 10.Which of these happens at the build stage? (a) write down the bugs (b) spot a problem to solve (c) share the download link (d) add the buttons
11. 11.🔍 Which is the odd one out? (a) a times-table quiz (b) a sleep tracker (c) a step counter (d) a water reminder
12. 12.🗒️ A to-do app with no “add a task” feature is ___. (a) missing a must-have (b) well planned (c) ready to release (d) a nice extra
13. 13.Which of these app ideas solves no real problem? (a) a library due-date alert (b) an app that just says hi (c) a lost-and-found board (d) a bill splitter
14. 14.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “wasting pocket money”?
    wasting pocket money: 13 votes
    forgetting homework: 24 votes
    missing the bus: 22 votes
15. 15.True or false: tap to Save is an input. (a) True (b) False
16. 16.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 60; // typed by the user
    line 2: let qty = 4; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 2 (b) line 3 (c) line 1 (d) line 4
17. 17.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
18. 18.Which of these is an output? (a) speaking a command (b) adding up a bill (c) a pop-up message (d) checking a password
19. 19.Which of these is true of a website? (a) comes from an app store (b) is installed on a phone (c) has a home-screen icon (d) needs no installing
20. 20.👥 A school app has 65 students, 260 teachers and 25 parents as users. How many users does it have in all?
21. 21.🗂️ What kind of app is a racing challenge? (a) a tool app (b) a health app (c) a learning app (d) a game
22. 22.True or false: taking a photo is processing. (a) False (b) True
23. 23.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a medicine reminder (b) a bill splitter (c) a homework planner (d) a lost-and-found board
24. 24.Which of these is an input? (a) the game-over page (b) your friends list (c) a box to type a name (d) the home page of an app
25. 25.🧩 Which part lets the user give the app information? (a) an icon (b) a title (c) an input (d) a logo
26. 26.True or false: a button with no action solves a real problem. (a) True (b) False
27. 27.True or false: a times-table quiz is a learning app. (a) False (b) True
28. 28.Which of these app ideas solves a real problem? (a) a page of random dots (b) an app that just says hi (c) a button with no action (d) a free study-room finder
29. 29.💡 How can you check that people really have the problem? (a) pick a colour (b) just guess (c) copy another app (d) ask possible users
30. 30.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “wasting pocket money”?
    forgetting homework: 3 votes
    losing water bottles: 13 votes
    wasting pocket money: 5 votes
31. 31.Which of these is processing? (a) tapping a button (b) adding up a bill (c) speaking a command (d) a result on screen
32. 32.Which of these app ideas solves no real problem? (a) a medicine reminder (b) a page of random dots (c) a bill splitter (d) a library due-date alert
33. 33.🧩 In an app, what is the home page of an app? (a) a screen (b) an input (c) data (d) a button
34. 34.🎯 Who are the users of an app? (a) only the testers (b) only the coders (c) the app icons (d) the people who use it
35. 35.🛠️ At which stage do you write down the bugs? (a) the release stage (b) the idea stage (c) the test stage (d) the plan stage
36. 36.🗂️ What kind of app is a step counter? (a) a game (b) a learning app (c) a health app (d) a tool app
37. 37.⚙️ What number does this app show?
    let price = 90; // typed by the user
    let qty = 4; // typed by the user
    let total = price * qty;
    show(total);
38. 38.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 12 votes
    forgetting homework: 21 votes
    missing the bus: 25 votes (a) forgetting homework (b) missing the bus (c) losing water bottles
39. 39.Which of these is true of a website? (a) is installed on a phone (b) has a web address (c) has a home-screen icon (d) updates from the store
40. 40.🗒️ Version 1 of a homework planner must be ready in 6 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 1 days
    see tasks by day: 2 days

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