App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 169 · 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 number does this app show?
   let bill = 370; // typed by the user
   let friends = 5; // typed by the user
   let share = bill / friends;
   show(share);
2. 2.📱 Which one is installed on a phone: an app or a website? (a) an app (b) a website
3. 3.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) add a homework task (b) earn stickers (c) see tasks by day (d) set a due date
4. 4.🎯 Is this a user need or a feature: “I forget my homework”? (a) a feature (b) a user need
5. 5.🗒️ When should nice-to-have features be built? (a) before anything (b) on day one (c) never (d) after the must-haves
6. 6.🗒️ Version 1 of a quiz app must be ready in 12 days. How many days are left for extras after the must-haves?
   show a question: 1 days
   check the answer: 3 days
   show the score: 2 days
7. 7.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Edit Profile
   [text box] Age
   [text box] Email
   [switch] Sound
   [button] Back
8. 8.🎯 A short made-up profile of a typical user is called a ___. (a) protocol (b) pixel (c) persona (d) password
9. 9.🔢 After an app is released, what comes right after “test it again”? (a) fix and improve (b) release an update (c) read user reviews (d) list what to fix
10. 10.🔍 Which is the odd one out? (a) a buzz (vibration) (b) tapping a button (c) a beep sound (d) a pop-up message
11. 11.🔢 After an app is released, which comes LAST? (a) test it again (b) release an update (c) list what to fix (d) fix and improve
12. 12.True or false: a website is installed on a phone. (a) True (b) False
13. 13.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    losing water bottles: 14 votes
    forgetting homework: 24 votes
    no quiet study place: 23 votes (a) losing water bottles (b) no quiet study place (c) forgetting homework
14. 14.True or false: a website has a home-screen icon. (a) False (b) True
15. 15.🗒️ Why keep version 1 small? (a) to confuse users (b) to learn from users soon (c) to use up storage (d) to look bigger
16. 16.🛠️ At which stage do you write down the bugs? (a) the idea stage (b) the test stage (c) the build stage (d) the plan stage
17. 17.💡 Which app idea solves this problem: bottles go missing at school? (a) a bill splitter (b) a lost-and-found board (c) a medicine reminder (d) a homework planner
18. 18.Which of these is an input? (a) a beep sound (b) speaking a command (c) working out a tip (d) adding up a bill
19. 19.Which of these is a screen? (a) your friends list (b) a box to type a name (c) your saved notes (d) the settings page
20. 20.🧩 In an app, what is tap to Start? (a) a button (b) an input (c) data (d) a screen
21. 21.True or false: you add the buttons at the test stage. (a) True (b) False
22. 22.🧩 Which input is best for turning something ON or OFF? (a) a title (b) a text box (c) a slider (d) a switch
23. 23.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 12; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 3 (b) line 1 (c) line 2
24. 24.🎯 Which app would help this user most: a pupil juggling five projects? (a) a bus tracker (b) a recipe finder (c) a homework planner (d) a water reminder
25. 25.🔢 When you make an app, which comes first: “test the app” or “get an idea”? (a) test the app (b) get an idea
26. 26.💡 An app that tries to do everything at once is usually ___. (a) very small (b) finished fast (c) easy to build (d) hard to use
27. 27.Which of these is data? (a) your high score (b) tap to Start (c) the game-over page (d) tap to go Next
28. 28.👥 A school app has 25 students, 220 teachers and 235 parents as users. Which user group is the biggest? (a) students (b) teachers (c) parents
29. 29.🔍 Which is the odd one out? (a) sketch the screens (b) connect the data (c) add the buttons (d) write the code
30. 30.🗒️ Version 1 of a quiz app must be ready in 13 days. How many days are left for extras after the must-haves?
    show a question: 4 days
    check the answer: 2 days
    show the score: 2 days
31. 31.🎯 Is this a user need or a feature: “What should I cook?”? (a) a feature (b) a user need
32. 32.🔍 Which is the odd one out? (a) adding up a bill (b) checking a password (c) a result on screen (d) sorting the scores
33. 33.🎯 An app for “everyone” with no clear user usually ___. (a) is easy to build (b) wins every prize (c) helps nobody well (d) needs no testing
34. 34.True or false: the settings page is data. (a) False (b) True
35. 35.⚙️ What number does this app show?
    let km = 7; // typed by the user
    let metres = km * 1000;
    show(metres);
36. 36.🔢 When you make an app, what comes right after “test the app”? (a) get an idea (b) release it (c) plan the screens (d) build the app
37. 37.🧩 Which input is best for typing your name? (a) a picture (b) a switch (c) a text box (d) a slider
38. 38.🧩 Which of these is a button on this screen?
    [title] Settings
    [button] Start
    [text box] Email
    [button] Next
    [text box] Phone
    [switch] Show hints (a) Email (b) Show hints (c) Next (d) Phone
39. 39.🔢 After an app is released, which comes first: “list what to fix” or “release an update”? (a) list what to fix (b) release an update
40. 40.🗒️ What is a must-have feature? (a) a nice extra (b) a colour theme (c) one the app cannot skip (d) a sound effect

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