App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 203 · 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 pop-up message is processing. (a) False (b) True
2. 2.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 35; // typed by the user
   line 2: let qty = 6; // typed by the user
   line 3: let total = price * qty;
   line 4: show(total); (a) line 2 (b) line 4 (c) line 3 (d) line 1
3. 3.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “no quiet study place”?
   wasting pocket money: 25 votes
   no quiet study place: 7 votes
   losing water bottles: 20 votes
4. 4.True or false: checking a password is an input. (a) False (b) True
5. 5.Which of these is processing? (a) checking a password (b) taking a photo (c) tapping a button (d) speaking a command
6. 6.💡 An app that tries to do everything at once is usually ___. (a) easy to build (b) very small (c) hard to use (d) finished fast
7. 7.True or false: typing your age is processing. (a) True (b) False
8. 8.⚙️ What number does this app show?
   let bill = 44; // typed by the user
   let friends = 2; // typed by the user
   let share = bill / friends;
   show(share);
9. 9.🧩 In an app, what is the home page of an app? (a) data (b) a button (c) a screen (d) an input
10. 10.True or false: a bus tracker is the best fit for a runner who forgets to sip water. (a) False (b) True
11. 11.True or false: a bill splitter solves no real problem. (a) True (b) False
12. 12.Which of these is a button? (a) tap to Save (b) your saved notes (c) the home page of an app (d) a box to type a name
13. 13.True or false: a recipe finder is the best fit for a runner who forgets to sip water. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) adding up a bill (b) checking a password (c) a beep sound (d) working out a tip
15. 15.⚙️ In an app, is working out a tip an input, processing or an output? (a) input (b) processing (c) output
16. 16.Which of these is an input? (a) checking a password (b) sorting the scores (c) typing your age (d) a buzz (vibration)
17. 17.True or false: you spot a problem to solve at the build stage. (a) False (b) True
18. 18.💡 Does an app idea like a bill splitter solve a real problem? (a) Yes (b) No
19. 19.🔍 Which is the odd one out? (a) speaking a command (b) taking a photo (c) working out a tip (d) typing your age
20. 20.Which of these is an output? (a) typing your age (b) checking a password (c) working out a tip (d) a result on screen
21. 21.🧩 Which input is best for turning something ON or OFF? (a) a switch (b) a title (c) a text box (d) a slider
22. 22.🔢 When you make an app, which comes first: “get an idea” or “plan the screens”? (a) plan the screens (b) get an idea
23. 23.True or false: an app comes from an app store. (a) True (b) False
24. 24.Which of these is true of a website? (a) comes from an app store (b) is installed on a phone (c) has a web address (d) has a home-screen icon
25. 25.📊 Survey: which problem bugs you most? How many more votes did “no quiet study place” get than “forgetting homework”?
    forgetting homework: 17 votes
    no quiet study place: 21 votes
    wasting pocket money: 23 votes
26. 26.Which of these is an output? (a) checking a password (b) sorting the scores (c) a buzz (vibration) (d) tapping a button
27. 27.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Send
    [button] Save
    [switch] Remind me
    [text box] Notes
    [button] Done
28. 28.💡 Does an app idea like a medicine reminder solve a real problem? (a) Yes (b) No
29. 29.Which of these is a feature? (a) a reminder alarm (b) “What should I cook?” (c) “I forget my homework” (d) “I keep missing the bus”
30. 30.💡 A good app idea starts with ___. (a) a cool logo (b) a problem to solve (c) many colours (d) a long name
31. 31.True or false: your friends list is an input. (a) True (b) False
32. 32.🗒️ 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
33. 33.🗂️ What kind of app is an alarm clock? (a) a game (b) a health app (c) a learning app (d) a tool app
34. 34.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “forgetting homework”?
    forgetting homework: 6 votes
    forgetting birthdays: 16 votes
    wasting pocket money: 7 votes
35. 35.💡 Which app idea solves this problem: nobody knows whose bag it is? (a) a study-room finder (b) a bill splitter (c) a medicine reminder (d) a lost-and-found board
36. 36.🧩 Scores, notes and settings that an app keeps are called ___. (a) screens (b) tabs (c) buttons (d) data
37. 37.📱 Which one has a web address: an app or a website? (a) a website (b) an app
38. 38.🔍 Which is the odd one out? (a) a torch (b) a unit converter (c) an alarm clock (d) a water reminder
39. 39.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money spent (b) show the balance (c) add money received (d) savings stickers
40. 40.🗒️ Version 1 of a water reminder must be ready in 14 days. How many days are left for extras after the must-haves?
    set a reminder time: 3 days
    log a glass of water: 2 days
    see today’s total: 4 days

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