App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 518 · 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.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Settings
   [button] Back
   [text box] Email
   [text box] Subject
   [button] Start
   [slider] Text size
   [text box] Phone
   [button] Cancel
2. 2.Which of these is a feature? (a) “I keep missing the bus” (b) “Small text is hard” (c) a reminder alarm (d) “I forget my homework”
3. 3.📊 Survey: which problem bugs you most? How many students voted in all?
   forgetting birthdays: 14 votes
   missing the bus: 25 votes
   losing water bottles: 17 votes
4. 4.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “forgetting birthdays”?
   losing water bottles: 14 votes
   missing the bus: 17 votes
   forgetting birthdays: 4 votes
5. 5.📱 Which one updates from the store: an app or a website? (a) an app (b) a website
6. 6.🔍 Which is the odd one out? (a) pick the features (b) sketch the screens (c) draw the user flow (d) spot a problem to solve
7. 7.📅 An app team plans for 3 days, builds for 8 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
8. 8.⚙️ What number does this app show?
   let price = 220; // typed by the user
   let off = 20; // typed by the user
   let pay = price - off;
   show(pay);
9. 9.🧩 How many buttons does this app screen have?
   [title] Order Snacks
   [text box] Phone
   [slider] Brightness
   [button] Back
10. 10.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Save
    [text box] Email
    [slider] Text size
    [text box] Phone (a) Phone (b) Email (c) Text size (d) Save
11. 11.👥 A cricket club app has 225 players, 300 coaches and 65 fans as users. How many more coaches than players are there?
12. 12.⚙️ What number does this app show?
    let km = 8; // typed by the user
    let metres = km * 1000;
    show(metres);
13. 13.🧩 Which input is best for choosing a volume level? (a) a switch (b) a text box (c) a slider (d) a title
14. 14.🧩 What do we call one full page of an app? (a) a cable (b) a battery (c) a screen (d) a variable
15. 15.Which of these is true of an app? (a) is installed on a phone (b) has a web address (c) needs no installing (d) opens in a web browser
16. 16.📱 Which one opens from a link: an app or a website? (a) an app (b) a website
17. 17.⚙️ What number does this app show?
    let price = 560; // typed by the user
    let off = 30; // typed by the user
    let pay = price - off;
    show(pay);
18. 18.True or false: a library due-date alert solves a real problem. (a) False (b) True
19. 19.🧩 Which of these is a button on this screen?
    [title] Order Snacks
    [button] Back
    [text box] Name
    [button] Help
    [switch] Show hints (a) Name (b) Help (c) Show hints
20. 20.🔍 Which is the odd one out? (a) a word battle (b) a puzzle with levels (c) a racing challenge (d) a calculator
21. 21.🔍 Which is the odd one out? (a) a word battle (b) a flashcard trainer (c) a spelling coach (d) a times-table quiz
22. 22.True or false: a homework planner is the best fit for a student who keeps forgetting due dates. (a) False (b) True
23. 23.🎯 Why learn about users before you build? (a) to slow it down (b) to make it longer (c) to build what they need (d) to pick a logo
24. 24.True or false: you add the buttons at the idea stage. (a) False (b) True
25. 25.👥 A library app has 40 readers, 25 librarians and 260 volunteers as users. How many users does it have in all?
26. 26.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 4 votes
    missing the bus: 24 votes
    forgetting birthdays: 22 votes (a) no quiet study place (b) missing the bus (c) forgetting birthdays
27. 27.🧩 Which part lets the user give the app information? (a) an input (b) a logo (c) an icon (d) a title
28. 28.Which of these app ideas solves a real problem? (a) a blank grey screen (b) an app that just says hi (c) a free study-room finder (d) a page of random dots
29. 29.💡 An app that tries to do everything at once is usually ___. (a) easy to build (b) finished fast (c) very small (d) hard to use
30. 30.🌐 Which program do you need to open a website? (a) an app store (b) a camera app (c) a calculator (d) a web browser
31. 31.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) savings stickers (b) export to a file (c) show the balance (d) pie-chart colours
32. 32.True or false: a homework planner is the best fit for a teen whose money runs out by Friday. (a) False (b) True
33. 33.🧩 Which input is best for typing your name? (a) a picture (b) a text box (c) a slider (d) a switch
34. 34.🗒️ What is a must-have feature? (a) one the app cannot skip (b) a colour theme (c) a sound effect (d) a nice extra
35. 35.📱 The word “app” is short for ___. (a) appetite (b) apparatus (c) appointment (d) application
36. 36.🎯 An app for “everyone” with no clear user usually ___. (a) helps nobody well (b) wins every prize (c) is easy to build (d) needs no testing
37. 37.True or false: a times-table quiz is a health app. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) adding up a bill (b) working out a tip (c) checking a password (d) typing your age
39. 39.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [text box] Age
    [text box] Due date
    [button] Done
    [text box] Subject
    [button] Back
40. 40.🗂️ What kind of app is a calculator? (a) a learning app (b) a health app (c) a tool app (d) a game

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