App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 694 · 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 number does this app show?
   let km = 10; // typed by the user
   let metres = km * 1000;
   show(metres);
2. 2.True or false: a website updates from the store. (a) True (b) False
3. 3.🔢 When you make an app, which comes FIRST? (a) release it (b) plan the screens (c) get an idea (d) build the app
4. 4.📱 Where do people usually download phone apps from? (a) a printer (b) a charger (c) an app store (d) a web server
5. 5.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) pie-chart colours (c) export to a file (d) add money spent
6. 6.📱 Which one has a web address: an app or a website? (a) an app (b) a website
7. 7.🌐 Which program do you need to open a website? (a) a calculator (b) a web browser (c) an app store (d) a camera app
8. 8.True or false: a spelling coach is a learning app. (a) False (b) True
9. 9.True or false: a page of random dots solves a real problem. (a) True (b) False
10. 10.True or false: a lost-and-found board solves a real problem. (a) True (b) False
11. 11.Which of these is true of an app? (a) has a web address (b) opens in a web browser (c) comes from an app store (d) needs no installing
12. 12.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [button] Start
    [slider] Volume
    [switch] Remind me
    [text box] City (a) Volume (b) City (c) Remind me (d) Start
13. 13.👥 A clinic app has 80 patients, 120 doctors and 135 nurses as users. How many more nurses than doctors are there?
14. 14.🗒️ Version 1 of a water reminder must be ready in 11 days. How many days are left for extras after the must-haves?
    set a reminder time: 1 days
    log a glass of water: 1 days
    see today’s total: 3 days
15. 15.True or false: a big-text reader is the best fit for a parent waiting at the bus stop. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) typing your age (b) sorting the scores (c) speaking a command (d) tapping a button
17. 17.📅 An app team plans for 5 days, builds for 9 days, tests for 2 days and releases on 1 more day. How many more days does building take than testing?
18. 18.🗒️ Version 1 of a quiz app must be ready in 9 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 1 days
    show the score: 5 days
19. 19.👥 A library app has 160 readers, 285 librarians and 50 volunteers as users. Which user group is the biggest? (a) readers (b) volunteers (c) librarians
20. 20.True or false: your saved notes is a screen. (a) True (b) False
21. 21.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [button] Send
    [button] Help
    [text box] Name
    [slider] Volume
    [text box] Phone
    [button] Start
22. 22.True or false: your high score is a button. (a) True (b) False
23. 23.🗂️ What kind of app is a water reminder? (a) a tool app (b) a health app (c) a game (d) a learning app
24. 24.🧩 Which of these is a button on this screen?
    [title] New Note
    [text box] Email
    [button] Save
    [button] Help
    [slider] Brightness (a) Email (b) Help (c) Brightness
25. 25.👥 A library app has 30 readers, 55 librarians and 40 volunteers as users. How many users does it have in all?
26. 26.⚙️ What number does this app show?
    let bill = 44; // typed by the user
    let friends = 4; // typed by the user
    let share = bill / friends;
    show(share);
27. 27.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “missing the bus”?
    forgetting homework: 10 votes
    wasting pocket money: 25 votes
    missing the bus: 21 votes
28. 28.Which of these is an input? (a) a slider for volume (b) the game-over page (c) the home page of an app (d) tap to Start
29. 29.🗒️ What is a must-have feature? (a) a nice extra (b) a colour theme (c) one the app cannot skip (d) a sound effect
30. 30.🗒️ Why keep version 1 small? (a) to use up storage (b) to learn from users soon (c) to look bigger (d) to confuse users
31. 31.👥 A library app has 30 readers, 180 librarians and 60 volunteers as users. How many users does it have in all?
32. 32.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [slider] Brightness
    [button] Done
    [button] Next
    [text box] Notes
    [text box] Phone
    [text box] Subject
    [switch] Show hints
33. 33.True or false: a bus tracker is the best fit for a parent waiting at the bus stop. (a) True (b) False
34. 34.📅 An app team plans for 3 days, builds for 11 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
35. 35.Which of these is true of a website? (a) opens in a web browser (b) has a home-screen icon (c) comes from an app store (d) updates from the store
36. 36.True or false: sorting the scores is processing. (a) True (b) False
37. 37.⚙️ What number does this app show?
    let km = 2; // typed by the user
    let metres = km * 1000;
    show(metres);
38. 38.🎯 Why learn about users before you build? (a) to slow it down (b) to make it longer (c) to pick a logo (d) to build what they need
39. 39.🔢 When you make an app, what comes right after “plan the screens”? (a) build the app (b) test the app (c) release it (d) get an idea
40. 40.🗒️ Version 1 of a pocket-money tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    add money received: 4 days
    add money spent: 3 days
    show the balance: 2 days

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