App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 618 · 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.True or false: tap to go Next is a screen. (a) True (b) False
2. 2.True or false: a button with no action solves a real problem. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) taking a photo (b) speaking a command (c) tapping a button (d) working out a tip
4. 4.👥 A library app has 125 readers, 20 librarians and 280 volunteers as users. How many more readers than librarians are there?
5. 5.Which of these app ideas solves a real problem? (a) a blank grey screen (b) an app that just says hi (c) a page of random dots (d) a medicine reminder
6. 6.⚙️ 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
7. 7.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Add Homework
   [button] Help
   [slider] Brightness
   [switch] Sound
   [text box] Subject
8. 8.Which of these is true of an app? (a) has a web address (b) comes from an app store (c) needs no installing (d) opens in a web browser
9. 9.🧩 In an app, what is a date picker? (a) data (b) an input (c) a button (d) a screen
10. 10.🔢 When you make an app, which comes FIRST? (a) test the app (b) plan the screens (c) get an idea (d) release it
11. 11.⚙️ In an app, is checking a password an input, processing or an output? (a) processing (b) output (c) input
12. 12.True or false: a switch for dark mode is an input. (a) False (b) True
13. 13.🎯 What is the best first step to learn what users need? (a) guess on your own (b) write the code (c) pick the colours (d) ask and watch users
14. 14.True or false: an app opens from a link. (a) True (b) False
15. 15.True or false: a website comes from an app store. (a) False (b) True
16. 16.True or false: a racing challenge is a health app. (a) True (b) False
17. 17.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
18. 18.🎯 Is this a user need or a feature: a search bar? (a) a user need (b) a feature
19. 19.Which of these happens at the idea stage? (a) write down the bugs (b) share the download link (c) spot a problem to solve (d) draw the user flow
20. 20.📴 Which of these can often still work with no internet? (a) an installed app (b) an online search (c) a video call (d) a new website
21. 21.Which of these app ideas solves a real problem? (a) a page of random dots (b) a blank grey screen (c) a button with no action (d) a lost-and-found board
22. 22.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) change the bus icon (c) see where the bus is (d) a dark mode
23. 23.📲 What happens when you tap an app’s icon? (a) the phone charges (b) the app is deleted (c) the sound turns off (d) the app opens
24. 24.🗂️ What kind of app is an alarm clock? (a) a tool app (b) a health app (c) a learning app (d) a game
25. 25.🔍 Which is the odd one out? (a) sketch the screens (b) draw the user flow (c) list what users need (d) pick the features
26. 26.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “no quiet study place”?
    losing water bottles: 7 votes
    forgetting birthdays: 10 votes
    no quiet study place: 5 votes
27. 27.True or false: a website has a home-screen icon. (a) False (b) True
28. 28.Which of these is true of an app? (a) opens in a web browser (b) needs no installing (c) updates from the store (d) opens from a link
29. 29.True or false: the home page of an app is an input. (a) True (b) False
30. 30.🗒️ A to-do app with no “add a task” feature is ___. (a) ready to release (b) a nice extra (c) well planned (d) missing a must-have
31. 31.True or false: a racing challenge is a game. (a) True (b) False
32. 32.True or false: today’s step count is an input. (a) True (b) False
33. 33.Which of these happens at the build stage? (a) let friends try it (b) list what users need (c) try every button (d) add the buttons
34. 34.Which of these is a user need? (a) a reminder alarm (b) a share button (c) a dark mode switch (d) “Small text is hard”
35. 35.🌐 Which program do you need to open a website? (a) a camera app (b) an app store (c) a calculator (d) a web browser
36. 36.Which of these is an input? (a) a buzz (vibration) (b) a pop-up message (c) typing your age (d) adding up a bill
37. 37.Which of these is processing? (a) a beep sound (b) a pop-up message (c) working out a tip (d) a result on screen
38. 38.⚙️ What number does this app show?
    let bill = 234; // typed by the user
    let friends = 3; // typed by the user
    let share = bill / friends;
    show(share);
39. 39.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [slider] Volume
    [button] Cancel
    [button] Done
    [text box] Notes (a) Notes (b) Volume (c) Cancel
40. 40.True or false: an app has a home-screen icon. (a) True (b) False

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