App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 811 · 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 of these is true of an app? (a) needs no installing (b) has a web address (c) is installed on a phone (d) opens in a web browser
2. 2.True or false: a times-table quiz is a game. (a) False (b) True
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 26; // typed by the user
   line 2: let friends = 2; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 4 (b) line 2 (c) line 1 (d) line 3
4. 4.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [text box] Age
   [button] Help
   [text box] Phone
5. 5.🧩 How many buttons does this app screen have?
   [title] New Note
   [text box] Email
   [button] Next
   [slider] Volume
   [text box] Name
6. 6.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) MVP (c) CPU (d) FAQ
7. 7.🧩 How many buttons does this app screen have?
   [title] Order Snacks
   [button] Back
   [button] Next
   [text box] Due date
   [button] Save
   [text box] Name
   [text box] Email
8. 8.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) pie-chart colours (c) add money spent (d) show the balance
9. 9.💡 Which app idea solves this problem: a team shares one snack bill? (a) a homework planner (b) a bill splitter (c) a study-room finder (d) a lost-and-found board
10. 10.🔍 Which is the odd one out? (a) speaking a command (b) sorting the scores (c) taking a photo (d) tapping a button
11. 11.True or false: a big-text reader is the best fit for a cook with no idea for dinner. (a) True (b) False
12. 12.🎯 What is the best first step to learn what users need? (a) guess on your own (b) pick the colours (c) ask and watch users (d) write the code
13. 13.True or false: an app opens from a link. (a) True (b) False
14. 14.True or false: a website opens from a link. (a) True (b) False
15. 15.📅 An app team plans for 4 days, builds for 12 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
16. 16.Which of these is an output? (a) a pop-up message (b) checking a password (c) typing your age (d) taking a photo
17. 17.⚙️ What number does this app show?
    let price = 15; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
18. 18.True or false: your friends list is data. (a) True (b) False
19. 19.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Due date
    [slider] Brightness
    [button] Help
    [text box] Age
    [text box] Subject
20. 20.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 10 votes
    losing water bottles: 16 votes
    no quiet study place: 12 votes
21. 21.🔍 Which is the odd one out? (a) share the download link (b) write the store text (c) put it on an app store (d) write down the bugs
22. 22.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Done
    [text box] Subject
23. 23.👥 A cricket club app has 65 players, 110 coaches and 25 fans as users. Which user group is the biggest? (a) players (b) fans (c) coaches
24. 24.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) a dark mode (c) change the bus icon (d) show arrival time
25. 25.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [button] Cancel
    [button] Back
    [text box] Subject
    [text box] Notes
    [text box] Due date
    [button] Help
26. 26.Which of these is true of an app? (a) updates from the store (b) opens in a web browser (c) needs no installing (d) has a web address
27. 27.🎯 Is this a user need or a feature: “I keep missing the bus”? (a) a user need (b) a feature
28. 28.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) set a reminder time (b) water animations (c) log a glass of water (d) see today’s total
29. 29.🛠️ At which stage do you list what users need? (a) the test stage (b) the plan stage (c) the build stage (d) the idea stage
30. 30.⚙️ What number does this app show?
    let bill = 200; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
31. 31.True or false: a racing challenge is a game. (a) False (b) True
32. 32.True or false: you let friends try it at the release stage. (a) True (b) False
33. 33.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Name
    [text box] Notes
    [text box] Age
    [button] Save
34. 34.🛠️ At which stage do you share the download link? (a) the build stage (b) the idea stage (c) the plan stage (d) the release stage
35. 35.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) pick a theme colour (c) set a due date (d) earn stickers
36. 36.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) custom alert sounds (b) water animations (c) log a glass of water (d) share your streak
37. 37.True or false: your friends list is a screen. (a) False (b) True
38. 38.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) add a homework task (b) share tasks to friends (c) set a due date (d) see tasks by day
39. 39.💡 Does an app idea like a free study-room finder solve a real problem? (a) Yes (b) No
40. 40.⚙️ What number does this app show?
    let price = 190; // typed by the user
    let off = 30; // typed by the user
    let pay = price - off;
    show(pay);

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