App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 672 · 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.True or false: a unit converter is a tool app. (a) False (b) True
2. 2.👥 A school app has 245 students, 70 teachers and 30 parents as users. Which user group is the biggest? (a) parents (b) teachers (c) students
3. 3.⚙️ What number does this app show?
   let price = 85; // typed by the user
   let qty = 3; // typed by the user
   let total = price * qty;
   show(total);
4. 4.📊 Survey: which problem bugs you most? How many students voted in all?
   missing the bus: 24 votes
   no quiet study place: 11 votes
   forgetting homework: 6 votes
5. 5.🔍 Which is the odd one out? (a) a buzz (vibration) (b) a beep sound (c) taking a photo (d) a result on screen
6. 6.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
7. 7.💡 An app that tries to do everything at once is usually ___. (a) finished fast (b) hard to use (c) very small (d) easy to build
8. 8.🔢 After an app is released, which comes first: “list what to fix” or “test it again”? (a) list what to fix (b) test it again
9. 9.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 8; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 3 (b) line 2 (c) line 1
10. 10.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) log a glass of water (b) custom alert sounds (c) share your streak (d) water animations
11. 11.True or false: a buzz (vibration) is an output. (a) False (b) True
12. 12.🗒️ Version 1 of a quiz app must be ready in 6 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 2 days
    show the score: 2 days
13. 13.🧩 In an app, what is your friends list? (a) data (b) an input (c) a screen (d) a button
14. 14.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) see today’s total (c) log a glass of water (d) water animations
15. 15.💡 Which is a problem statement? (a) “Add a logo” (b) “Make it fast” (c) “Use blue buttons” (d) “Kids forget homework”
16. 16.Which of these is an input? (a) a result on screen (b) checking a password (c) sorting the scores (d) typing your age
17. 17.🔢 When you make an app, which comes first: “get an idea” or “plan the screens”? (a) plan the screens (b) get an idea
18. 18.🗒️ A to-do app with no “add a task” feature is ___. (a) ready to release (b) missing a must-have (c) well planned (d) a nice extra
19. 19.True or false: a page of random dots solves no real problem. (a) True (b) False
20. 20.🗒️ Why keep version 1 small? (a) to confuse users (b) to use up storage (c) to look bigger (d) to learn from users soon
21. 21.👥 A clinic app has 175 patients, 270 doctors and 285 nurses as users. Which user group is the biggest? (a) doctors (b) nurses (c) patients
22. 22.💡 Which app idea solves this problem: projects pile up at once? (a) a lost-and-found board (b) a homework planner (c) a bill splitter (d) a medicine reminder
23. 23.True or false: a big-text reader is the best fit for a pupil juggling five projects. (a) False (b) True
24. 24.Which of these is a feature? (a) “What should I cook?” (b) “I keep missing the bus” (c) a search bar (d) “I forget my homework”
25. 25.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 550; // typed by the user
    line 2: let off = 50; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 4 (b) line 3 (c) line 1 (d) line 2
26. 26.🗒️ Version 1 of a quiz app must be ready in 9 days. How many days are left for extras after the must-haves?
    show a question: 2 days
    check the answer: 2 days
    show the score: 4 days
27. 27.⚙️ In an app, is working out a tip an input, processing or an output? (a) output (b) processing (c) input
28. 28.🛠️ At which stage do you write the store text? (a) the release stage (b) the idea stage (c) the test stage (d) the build stage
29. 29.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 95; // typed by the user
    line 2: let qty = 3; // 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
30. 30.💡 Does an app idea like a bill splitter solve a real problem? (a) No (b) Yes
31. 31.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) set a due date (c) add a homework task (d) pick a theme colour
32. 32.🗒️ 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) check the answer (d) show the score
33. 33.🗒️ When should nice-to-have features be built? (a) never (b) before anything (c) after the must-haves (d) on day one
34. 34.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [switch] Dark mode
    [button] Back
    [slider] Volume
    [text box] Phone
    [button] Save
35. 35.🔢 When you make an app, which comes FIRST? (a) plan the screens (b) get an idea (c) release it (d) test the app
36. 36.🔍 Which is the odd one out? (a) a beep sound (b) taking a photo (c) speaking a command (d) tapping a button
37. 37.💡 How can you check that people really have the problem? (a) pick a colour (b) copy another app (c) ask possible users (d) just guess
38. 38.True or false: a box to type a name is an input. (a) True (b) False
39. 39.Which of these is true of an app? (a) has a web address (b) updates from the store (c) needs no installing (d) opens from a link
40. 40.💡 A good app idea starts with ___. (a) many colours (b) a problem to solve (c) a cool logo (d) a long name

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