App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 570 · 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.📊 Survey: which problem bugs you most? How many students voted in all?
   forgetting birthdays: 17 votes
   forgetting homework: 13 votes
   no quiet study place: 23 votes
2. 2.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 136; // typed by the user
   line 2: let friends = 4; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 4 (b) line 3 (c) line 1 (d) line 2
3. 3.🔍 Which is the odd one out? (a) sketch the screens (b) draw the user flow (c) let friends try it (d) pick the features
4. 4.Which of these happens at the plan stage? (a) put it on an app store (b) try every button (c) spot a problem to solve (d) sketch the screens
5. 5.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Settings
   [button] Start
   [text box] Due date
   [text box] Age
   [slider] Volume
6. 6.⚙️ What number does this app show?
   let bill = 48; // typed by the user
   let friends = 3; // typed by the user
   let share = bill / friends;
   show(share);
7. 7.🧩 In an app, what is the settings page? (a) an input (b) a button (c) a screen (d) data
8. 8.🔍 Which is the odd one out? (a) a torch (b) an alarm clock (c) a sleep tracker (d) a unit converter
9. 9.True or false: an app is installed on a phone. (a) False (b) True
10. 10.⚙️ What number does this app show?
    let price = 430; // typed by the user
    let off = 10; // typed by the user
    let pay = price - off;
    show(pay);
11. 11.💡 How can you check that people really have the problem? (a) pick a colour (b) just guess (c) copy another app (d) ask possible users
12. 12.True or false: taking a photo is an input. (a) False (b) True
13. 13.Which of these is processing? (a) tapping a button (b) a beep sound (c) speaking a command (d) sorting the scores
14. 14.True or false: a homework planner is the best fit for a pupil juggling five projects. (a) False (b) True
15. 15.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 25; // 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 1 (b) line 3 (c) line 4 (d) line 2
16. 16.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [text box] Phone
    [text box] Subject
    [switch] Remind me
    [button] Cancel
17. 17.🗒️ In MVP, the M stands for ___. (a) music (b) mobile (c) minimum (d) maximum
18. 18.Which of these is an input? (a) a pop-up message (b) a result on screen (c) sorting the scores (d) speaking a command
19. 19.🗂️ What kind of app is a calculator? (a) a health app (b) a learning app (c) a game (d) a tool app
20. 20.🎯 Is this a user need or a feature: a dark mode switch? (a) a user need (b) a feature
21. 21.True or false: working out a tip is processing. (a) True (b) False
22. 22.🧩 In an app, what is a slider for volume? (a) an input (b) data (c) a screen (d) a button
23. 23.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 6; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 1 (b) line 3 (c) line 2
24. 24.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Phone
    [text box] Age
    [button] Cancel
    [text box] Name
25. 25.True or false: a water reminder is a game. (a) True (b) False
26. 26.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [text box] Name
    [text box] Email
    [switch] Sound
    [button] Start (a) Name (b) Start (c) Email (d) Sound
27. 27.Which of these is a user need? (a) a reminder alarm (b) a dark mode switch (c) a share button (d) “I keep missing the bus”
28. 28.True or false: a lost-and-found board solves a real problem. (a) False (b) True
29. 29.Which of these is a feature? (a) “What should I cook?” (b) a share button (c) “Small text is hard” (d) “I forget my homework”
30. 30.🛠️ At which stage do you let friends try it? (a) the build stage (b) the release stage (c) the idea stage (d) the test stage
31. 31.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 60; // typed by the user
    line 2: let friends = 3; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 2 (b) line 4 (c) line 3 (d) line 1
32. 32.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “wasting pocket money”?
    forgetting homework: 20 votes
    losing water bottles: 5 votes
    wasting pocket money: 15 votes
33. 33.True or false: a calculator is a learning app. (a) True (b) False
34. 34.📊 Survey: which problem bugs you most? How many more votes did “forgetting homework” get than “missing the bus”?
    forgetting birthdays: 11 votes
    missing the bus: 15 votes
    forgetting homework: 24 votes
35. 35.👥 A library app has 285 readers, 50 librarians and 290 volunteers as users. How many more volunteers than librarians are there?
36. 36.Which of these is true of an app? (a) needs no installing (b) opens from a link (c) comes from an app store (d) opens in a web browser
37. 37.True or false: a date picker is a button. (a) True (b) False
38. 38.🧩 What do we call one full page of an app? (a) a variable (b) a cable (c) a screen (d) a battery
39. 39.Which of these is an input? (a) a pop-up message (b) a beep sound (c) taking a photo (d) a result on screen
40. 40.⚙️ What number does this app show?
    let km = 7; // typed by the user
    let metres = km * 1000;
    show(metres);

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