App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 985 · 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 kind of app is a cricket run chase? (a) a learning app (b) a health app (c) a tool app (d) a game
2. 2.⚙️ What number does this app show?
   let price = 420; // typed by the user
   let off = 10; // typed by the user
   let pay = price - off;
   show(pay);
3. 3.🎯 Who are the users of an app? (a) only the coders (b) the people who use it (c) only the testers (d) the app icons
4. 4.Which of these is an output? (a) speaking a command (b) a beep sound (c) taking a photo (d) typing your age
5. 5.🔍 Which is the odd one out? (a) connect the data (b) add the buttons (c) write the code (d) spot a problem to solve
6. 6.Which of these is true of a website? (a) updates from the store (b) is installed on a phone (c) comes from an app store (d) opens from a link
7. 7.💡 Which app idea solves this problem: friends argue over who pays? (a) a lost-and-found board (b) a bill splitter (c) a medicine reminder (d) a study-room finder
8. 8.⚙️ In an app, is taking a photo an input, processing or an output? (a) output (b) input (c) processing
9. 9.Which of these happens at the plan stage? (a) write down the bugs (b) write the store text (c) sketch the screens (d) share the download link
10. 10.Which of these app ideas solves a real problem? (a) a page of random dots (b) a lost-and-found board (c) a button with no action (d) a blank grey screen
11. 11.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Email
    [text box] Due date
    [button] Save
    [text box] Phone
    [button] Send
12. 12.🔍 Which is the odd one out? (a) a beep sound (b) a pop-up message (c) a result on screen (d) taking a photo
13. 13.Which of these is true of an app? (a) opens from a link (b) needs no installing (c) has a home-screen icon (d) opens in a web browser
14. 14.🔍 Which is the odd one out? (a) write the store text (b) add the buttons (c) put it on an app store (d) share the download link
15. 15.💡 A good app idea starts with ___. (a) a long name (b) a cool logo (c) many colours (d) a problem to solve
16. 16.True or false: a slider for volume is an input. (a) False (b) True
17. 17.🗂️ What kind of app is a water reminder? (a) a game (b) a learning app (c) a health app (d) a tool app
18. 18.🔍 Which is the odd one out? (a) working out a tip (b) a pop-up message (c) a result on screen (d) a buzz (vibration)
19. 19.Which of these app ideas solves no real problem? (a) a medicine reminder (b) an app that just says hi (c) a free study-room finder (d) a lost-and-found board
20. 20.🧩 What do we call one full page of an app? (a) a cable (b) a battery (c) a variable (d) a screen
21. 21.Which of these is true of an app? (a) opens from a link (b) opens in a web browser (c) updates from the store (d) has a web address
22. 22.True or false: taking a photo is an input. (a) True (b) False
23. 23.💡 Does an app idea like a bill splitter solve a real problem? (a) No (b) Yes
24. 24.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) confetti effects (c) show the score (d) background music
25. 25.🧩 In an app, what is a switch for dark mode? (a) a button (b) a screen (c) data (d) an input
26. 26.💡 Does an app idea like a medicine reminder solve a real problem? (a) Yes (b) No
27. 27.🎯 Which app would help this user most: a student who often misses the school bus? (a) a big-text reader (b) a homework planner (c) a water reminder (d) a bus tracker
28. 28.🔢 When you make an app, what comes right after “plan the screens”? (a) test the app (b) get an idea (c) build the app (d) release it
29. 29.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) share your streak (c) see today’s total (d) water animations
30. 30.🧩 Which of these is a button on this screen?
    [title] Sign Up
    [text box] Age
    [text box] Notes
    [button] Next
    [slider] Volume
    [text box] Due date (a) Due date (b) Age (c) Next (d) Notes
31. 31.Which of these is true of an app? (a) is installed on a phone (b) needs no installing (c) opens in a web browser (d) opens from a link
32. 32.🧑 Who is an app really made for? (a) its icon (b) its users (c) its charger (d) its coder only
33. 33.Which of these happens at the build stage? (a) spot a problem to solve (b) share the download link (c) list what users need (d) write the code
34. 34.Which of these is true of a website? (a) comes from an app store (b) needs no installing (c) has a home-screen icon (d) is installed on a phone
35. 35.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 100; // typed by the user
    line 2: let qty = 2; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 1 (b) line 3 (c) line 2 (d) line 4
36. 36.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) show the balance (c) export to a file (d) add money spent
37. 37.🔢 When you make an app, what comes right after “test the app”? (a) build the app (b) plan the screens (c) release it (d) get an idea
38. 38.True or false: tap to Start is a button. (a) False (b) True
39. 39.True or false: a website comes from an app store. (a) True (b) False
40. 40.🎯 Which app would help this user most: a child saving up for a cycle? (a) a water reminder (b) a bus tracker (c) a big-text reader (d) a pocket-money tracker

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