App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 301 · 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.⚙️ In an app, is checking a password an input, processing or an output? (a) processing (b) output (c) input
2. 2.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] New Note
   [button] Help
   [text box] Due date
   [text box] Age
   [button] Send
   [switch] Dark mode
   [button] Save
3. 3.🔍 Which is the odd one out? (a) a pop-up message (b) a buzz (vibration) (c) a beep sound (d) tapping a button
4. 4.🗒️ Version 1 of a homework planner must be ready in 9 days. How many days are left for extras after the must-haves?
   add a homework task: 1 days
   set a due date: 3 days
   see tasks by day: 3 days
5. 5.👥 A school app has 75 students, 275 teachers and 185 parents as users. Which user group is the biggest? (a) teachers (b) students (c) parents
6. 6.🧩 How many buttons does this app screen have?
   [title] Sign Up
   [switch] Show hints
   [text box] Email
   [slider] Text size
   [button] Start
   [button] Back
   [button] Help
7. 7.💡 Does an app idea like a blank grey screen solve a real problem? (a) Yes (b) No
8. 8.True or false: a page of random dots solves no real problem. (a) True (b) False
9. 9.⚙️ What number does this app show?
   let price = 80; // typed by the user
   let qty = 6; // typed by the user
   let total = price * qty;
   show(total);
10. 10.Which of these is a screen? (a) your saved notes (b) the home page of an app (c) a box to type a name (d) a date picker
11. 11.🧩 Which of these is a button on this screen?
    [title] New Note
    [text box] Name
    [text box] Phone
    [button] Done
    [button] Back
    [button] Cancel (a) Done (b) Phone (c) Name
12. 12.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) add a homework task (b) pick a theme colour (c) see tasks by day (d) set a due date
13. 13.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) pick your bus stop (b) see where the bus is (c) change the bus icon (d) show arrival time
14. 14.Which of these is data? (a) tap to Send (b) your high score (c) tap to go Next (d) the settings page
15. 15.Which of these is true of an app? (a) opens from a link (b) has a home-screen icon (c) opens in a web browser (d) has a web address
16. 16.True or false: a box to type a name is a button. (a) False (b) True
17. 17.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a lost-and-found board (b) a bill splitter (c) a medicine reminder (d) a study-room finder
18. 18.🧑 Who is an app really made for? (a) its icon (b) its coder only (c) its users (d) its charger
19. 19.Which of these is a screen? (a) a box to type a name (b) the settings page (c) today’s step count (d) a date picker
20. 20.⚙️ What number does this app show?
    let km = 15; // typed by the user
    let metres = km * 1000;
    show(metres);
21. 21.🎯 Is this a user need or a feature: a dark mode switch? (a) a user need (b) a feature
22. 22.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [button] Start
    [text box] City
    [text box] Notes
    [slider] Volume
23. 23.📱 Which one updates from the store: an app or a website? (a) an app (b) a website
24. 24.⚙️ What number does this app show?
    let bill = 84; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
25. 25.🧩 What do we call one full page of an app? (a) a screen (b) a variable (c) a cable (d) a battery
26. 26.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) rate the driver (c) see where the bus is (d) a dark mode
27. 27.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) show the balance (b) savings stickers (c) add money received (d) add money spent
28. 28.⚙️ What number does this app show?
    let price = 450; // typed by the user
    let off = 20; // typed by the user
    let pay = price - off;
    show(pay);
29. 29.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 10; // 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 1 (d) line 3
30. 30.🎯 Which app would help this user most: a student who often misses the school bus? (a) a water reminder (b) a homework planner (c) a bus tracker (d) a big-text reader
31. 31.🌐 Which program do you need to open a website? (a) an app store (b) a web browser (c) a camera app (d) a calculator
32. 32.Which of these app ideas solves a real problem? (a) a page of random dots (b) a button with no action (c) an app that just says hi (d) a bill splitter
33. 33.⚙️ What number does this app show?
    let km = 3; // typed by the user
    let metres = km * 1000;
    show(metres);
34. 34.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “wasting pocket money”?
    no quiet study place: 4 votes
    wasting pocket money: 18 votes
    missing the bus: 24 votes
35. 35.🧩 How many buttons does this app screen have?
    [title] Add Homework
    [switch] Show hints
    [slider] Text size
    [button] Next
    [button] Back
    [text box] Due date
    [text box] Subject
    [button] Cancel
36. 36.Which of these happens at the test stage? (a) try every button (b) share the download link (c) put it on an app store (d) list what users need
37. 37.True or false: you talk to possible users at the plan stage. (a) False (b) True
38. 38.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “wasting pocket money”?
    missing the bus: 8 votes
    wasting pocket money: 12 votes
    losing water bottles: 19 votes
39. 39.💡 A good app idea starts with ___. (a) a problem to solve (b) many colours (c) a long name (d) a cool logo
40. 40.🧩 In an app, what is the settings page? (a) a screen (b) an input (c) data (d) a button

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