App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 586 · 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.Which of these app ideas solves no real problem? (a) a medicine reminder (b) a blank grey screen (c) a library due-date alert (d) a bill splitter
2. 2.🗒️ A to-do app with no “add a task” feature is ___. (a) ready to release (b) missing a must-have (c) a nice extra (d) well planned
3. 3.Which of these is an input? (a) a slider for volume (b) tap to Send (c) the log-in page (d) today’s step count
4. 4.📅 An app team plans for 5 days, builds for 11 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
5. 5.📅 An app team plans for 5 days, builds for 8 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
6. 6.🧩 Which part lets the user give the app information? (a) an input (b) an icon (c) a title (d) a logo
7. 7.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 500; // 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 1 (c) line 3 (d) line 4
8. 8.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) a dark mode (b) show arrival time (c) see where the bus is (d) pick your bus stop
9. 9.💡 A good app idea starts with ___. (a) a problem to solve (b) a cool logo (c) many colours (d) a long name
10. 10.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 14 votes
    forgetting homework: 17 votes
    no quiet study place: 11 votes (a) losing water bottles (b) forgetting homework (c) no quiet study place
11. 11.🎯 Is this a user need or a feature: “What should I cook?”? (a) a user need (b) a feature
12. 12.💡 After a survey, which need should version 1 solve? (a) the rarest need (b) the newest trend (c) a random need (d) the most common need
13. 13.True or false: you sketch the screens at the plan stage. (a) True (b) False
14. 14.True or false: a step counter is a tool app. (a) False (b) True
15. 15.🛠️ At which stage do you put it on an app store? (a) the release stage (b) the idea stage (c) the test stage (d) the build stage
16. 16.Which of these app ideas solves no real problem? (a) a library due-date alert (b) an app that just says hi (c) a free study-room finder (d) a lost-and-found board
17. 17.Which of these is a feature? (a) “I forget my homework” (b) “Small text is hard” (c) a share button (d) “I keep missing the bus”
18. 18.🎯 What is the best first step to learn what users need? (a) pick the colours (b) guess on your own (c) write the code (d) ask and watch users
19. 19.Which of these is an output? (a) taking a photo (b) a pop-up message (c) speaking a command (d) sorting the scores
20. 20.📱 Which one has a web address: an app or a website? (a) an app (b) a website
21. 21.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) log a glass of water (c) share your streak (d) water animations
22. 22.True or false: a website opens in a web browser. (a) False (b) True
23. 23.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “missing the bus”?
    missing the bus: 7 votes
    forgetting homework: 12 votes
    forgetting birthdays: 15 votes
24. 24.⚙️ What number does this app show?
    let price = 440; // typed by the user
    let off = 20; // typed by the user
    let pay = price - off;
    show(pay);
25. 25.True or false: a water reminder is a health app. (a) True (b) False
26. 26.True or false: checking a password is processing. (a) True (b) False
27. 27.💡 Which app idea solves this problem: nobody knows whose bag it is? (a) a homework planner (b) a lost-and-found board (c) a study-room finder (d) a medicine reminder
28. 28.🗒️ 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
29. 29.🧩 How many buttons does this app screen have?
    [title] Settings
    [button] Help
    [text box] Name
30. 30.🧩 In an app, what is a slider for volume? (a) a button (b) an input (c) data (d) a screen
31. 31.True or false: a beep sound is an input. (a) False (b) True
32. 32.Which of these is true of a website? (a) has a home-screen icon (b) is installed on a phone (c) comes from an app store (d) opens in a web browser
33. 33.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [button] Save
    [button] Help
    [text box] City (a) City (b) Help
34. 34.📅 An app team plans for 3 days, builds for 4 days, tests for 3 days and releases on 1 more day. How many days does the whole project take?
35. 35.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 8 votes
    missing the bus: 24 votes
    forgetting homework: 20 votes
36. 36.🎯 Who are the users of an app? (a) only the testers (b) the people who use it (c) only the coders (d) the app icons
37. 37.💡 Which app idea solves this problem: pupils forget due dates? (a) a lost-and-found board (b) a medicine reminder (c) a homework planner (d) a study-room finder
38. 38.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) log a glass of water (b) set a reminder time (c) see today’s total (d) water animations
39. 39.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [slider] Volume
    [button] Back
    [text box] City
    [switch] Show hints
40. 40.🧩 In an app, what is tap to Save? (a) data (b) an input (c) a screen (d) a button

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