App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 975 · 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 is a screen? (a) the log-in page (b) your saved notes (c) your friends list (d) a switch for dark mode
2. 2.👥 A library app has 60 readers, 300 librarians and 225 volunteers as users. How many users does it have in all?
3. 3.🔢 When you make an app, which comes first: “build the app” or “get an idea”? (a) build the app (b) get an idea
4. 4.⚙️ What number does this app show?
   let price = 520; // typed by the user
   let off = 10; // typed by the user
   let pay = price - off;
   show(pay);
5. 5.📱 Where do people usually download phone apps from? (a) a web server (b) a printer (c) a charger (d) an app store
6. 6.🎯 Is this a user need or a feature: a dark mode switch? (a) a feature (b) a user need
7. 7.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Settings
   [slider] Volume
   [switch] Dark mode
   [button] Send
   [text box] Email
   [button] Cancel
   [button] Start
8. 8.True or false: you try every button at the release stage. (a) False (b) True
9. 9.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 15; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
10. 10.Which of these is an output? (a) checking a password (b) a result on screen (c) sorting the scores (d) typing your age
11. 11.🔢 When you make an app, what comes right after “plan the screens”? (a) get an idea (b) release it (c) test the app (d) build the app
12. 12.🔍 Which is the odd one out? (a) a calculator (b) a torch (c) an alarm clock (d) a puzzle with levels
13. 13.Which of these happens at the plan stage? (a) write the code (b) pick the features (c) add the buttons (d) try every button
14. 14.🎯 Which app would help this user most: a gamer who forgets to drink? (a) a homework planner (b) a water reminder (c) a big-text reader (d) a bus tracker
15. 15.📅 An app team plans for 4 days, builds for 8 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
16. 16.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 15 votes
    missing the bus: 18 votes
    wasting pocket money: 24 votes (a) wasting pocket money (b) no quiet study place (c) missing the bus
17. 17.👥 A cricket club app has 290 players, 20 coaches and 145 fans as users. Which user group is the biggest? (a) coaches (b) players (c) fans
18. 18.True or false: a pocket-money tracker is the best fit for a teen whose money runs out by Friday. (a) True (b) False
19. 19.🔢 After an app is released, what comes right after “list what to fix”? (a) read user reviews (b) release an update (c) fix and improve (d) test it again
20. 20.🔢 After an app is released, which comes first: “read user reviews” or “test it again”? (a) read user reviews (b) test it again
21. 21.🔢 When you make an app, what comes right after “get an idea”? (a) plan the screens (b) release it (c) test the app (d) build the app
22. 22.🔍 Which is the odd one out? (a) a buzz (vibration) (b) adding up a bill (c) checking a password (d) sorting the scores
23. 23.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [button] Cancel
    [button] Start
    [text box] City
    [button] Done
    [text box] Notes
24. 24.👥 A library app has 210 readers, 55 librarians and 65 volunteers as users. Which user group is the biggest? (a) volunteers (b) readers (c) librarians
25. 25.🔢 After an app is released, what comes right after “fix and improve”? (a) release an update (b) read user reviews (c) test it again (d) list what to fix
26. 26.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “wasting pocket money”?
    forgetting homework: 23 votes
    wasting pocket money: 9 votes
    forgetting birthdays: 7 votes
27. 27.🔢 After an app is released, which comes first: “release an update” or “fix and improve”? (a) release an update (b) fix and improve
28. 28.True or false: a spelling coach is a health app. (a) False (b) True
29. 29.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) confetti effects (b) show a question (c) show the score (d) check the answer
30. 30.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Cancel
    [text box] City
    [slider] Volume (a) Cancel (b) City (c) Volume
31. 31.📱 Which one is installed on a phone: an app or a website? (a) a website (b) an app
32. 32.👥 A clinic app has 135 patients, 220 doctors and 75 nurses as users. How many more patients than nurses are there?
33. 33.Which of these app ideas solves no real problem? (a) an app that just says hi (b) a free study-room finder (c) a library due-date alert (d) a lost-and-found board
34. 34.👥 A cricket club app has 290 players, 165 coaches and 45 fans as users. Which user group is the biggest? (a) fans (b) coaches (c) players
35. 35.🛠️ At which stage do you write the code? (a) the test stage (b) the build stage (c) the release stage (d) the plan stage
36. 36.🔍 Which is the odd one out? (a) spot a problem to solve (b) sketch the screens (c) list what users need (d) talk to possible users
37. 37.True or false: you spot a problem to solve at the idea stage. (a) False (b) True
38. 38.👥 A clinic app has 240 patients, 245 doctors and 280 nurses as users. Which user group is the biggest? (a) doctors (b) nurses (c) patients
39. 39.🎯 Is this a user need or a feature: “Small text is hard”? (a) a feature (b) a user need
40. 40.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 54; // 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 4 (b) line 3 (c) line 1 (d) line 2

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