App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 977 · 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 line does the processing (works out the answer)?
   line 1: let price = 25; // typed by the user
   line 2: let qty = 5; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 4 (b) line 2 (c) line 3 (d) line 1
2. 2.⚙️ What number does this app show?
   let price = 20; // typed by the user
   let qty = 4; // typed by the user
   let total = price * qty;
   show(total);
3. 3.True or false: a website is installed on a phone. (a) True (b) False
4. 4.📱 Which one has a web address: an app or a website? (a) an app (b) a website
5. 5.👥 A cricket club app has 105 players, 85 coaches and 250 fans as users. Which user group is the biggest? (a) fans (b) players (c) coaches
6. 6.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] New Note
   [button] Send
   [text box] Subject
   [text box] Name
   [slider] Volume
   [switch] Dark mode
7. 7.🔢 When you make an app, what comes right after “get an idea”? (a) release it (b) plan the screens (c) build the app (d) test the app
8. 8.💡 How can you check that people really have the problem? (a) ask possible users (b) pick a colour (c) copy another app (d) just guess
9. 9.🗒️ What is a must-have feature? (a) a colour theme (b) a sound effect (c) one the app cannot skip (d) a nice extra
10. 10.💡 Does an app idea like a bill splitter solve a real problem? (a) Yes (b) No
11. 11.🛠️ At which stage do you let friends try it? (a) the build stage (b) the idea stage (c) the plan stage (d) the test stage
12. 12.🔍 Which is the odd one out? (a) add the buttons (b) connect the data (c) sketch the screens (d) write the code
13. 13.💡 After a survey, which need should version 1 solve? (a) the most common need (b) the rarest need (c) the newest trend (d) a random need
14. 14.🧩 In an app, what is tap to Save? (a) data (b) a button (c) a screen (d) an input
15. 15.🛠️ At which stage do you write down the bugs? (a) the plan stage (b) the release stage (c) the test stage (d) the build stage
16. 16.📱 Where do people usually download phone apps from? (a) a charger (b) an app store (c) a printer (d) a web server
17. 17.Which of these is true of an app? (a) has a home-screen icon (b) has a web address (c) opens in a web browser (d) needs no installing
18. 18.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money received (b) savings stickers (c) pie-chart colours (d) export to a file
19. 19.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) check the answer (b) background music (c) confetti effects (d) an avatar shop
20. 20.👥 A cricket club app has 35 players, 90 coaches and 110 fans as users. Which user group is the biggest? (a) coaches (b) fans (c) players
21. 21.⚙️ In an app, is speaking a command an input, processing or an output? (a) output (b) input (c) processing
22. 22.True or false: a website needs no installing. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) a step counter (b) a calculator (c) a unit converter (d) a torch
24. 24.🗂️ What kind of app is a flashcard trainer? (a) a game (b) a health app (c) a tool app (d) a learning app
25. 25.🎯 Is this a user need or a feature: a reminder alarm? (a) a user need (b) a feature
26. 26.True or false: you write the code at the build stage. (a) True (b) False
27. 27.⚙️ What number does this app show?
    let bill = 117; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
28. 28.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “forgetting homework”?
    no quiet study place: 23 votes
    forgetting homework: 13 votes
    losing water bottles: 22 votes
29. 29.🧩 In an app, what is the home page of an app? (a) a screen (b) data (c) a button (d) an input
30. 30.🔢 After an app is released, which comes FIRST? (a) list what to fix (b) fix and improve (c) read user reviews (d) test it again
31. 31.🔍 Which is the odd one out? (a) a water reminder (b) an alarm clock (c) a sleep tracker (d) a step counter
32. 32.🔍 Which is the odd one out? (a) speaking a command (b) tapping a button (c) working out a tip (d) typing your age
33. 33.🔢 When you make an app, which comes first: “test the app” or “get an idea”? (a) get an idea (b) test the app
34. 34.True or false: a blank grey screen solves no real problem. (a) True (b) False
35. 35.💡 A good app idea starts with ___. (a) a cool logo (b) many colours (c) a long name (d) a problem to solve
36. 36.🔍 Which is the odd one out? (a) write the store text (b) put it on an app store (c) share the download link (d) draw the user flow
37. 37.🛠️ At which stage do you connect the data? (a) the test stage (b) the idea stage (c) the build stage (d) the release stage
38. 38.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
39. 39.👥 A school app has 295 students, 50 teachers and 155 parents as users. How many users does it have in all?
40. 40.True or false: an app updates from the store. (a) True (b) False

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