App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 491 · 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.🗒️ Version 1 of a bus tracker must be ready in 12 days. How many days are left for extras after the must-haves?
   see where the bus is: 1 days
   show arrival time: 1 days
   pick your bus stop: 5 days
2. 2.🔢 After an app is released, what comes right after “fix and improve”? (a) release an update (b) list what to fix (c) test it again (d) read user reviews
3. 3.True or false: a blank grey screen solves a real problem. (a) True (b) False
4. 4.True or false: a big-text reader is the best fit for a child saving up for a cycle. (a) False (b) True
5. 5.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting birthdays: 23 votes
   missing the bus: 12 votes
   losing water bottles: 24 votes (a) forgetting birthdays (b) losing water bottles (c) missing the bus
6. 6.🔍 Which is the odd one out? (a) a puzzle with levels (b) a word battle (c) a flashcard trainer (d) a racing challenge
7. 7.🧩 Which of these is a button on this screen?
   [title] Sign Up
   [text box] Subject
   [text box] City
   [button] Done
   [text box] Phone
   [switch] Dark mode (a) Subject (b) Done (c) Phone (d) City
8. 8.Which of these is a screen? (a) tap to Send (b) a slider for volume (c) your friends list (d) the game-over page
9. 9.Which of these happens at the build stage? (a) try every button (b) add the buttons (c) put it on an app store (d) list what users need
10. 10.Which of these is an output? (a) adding up a bill (b) checking a password (c) a buzz (vibration) (d) speaking a command
11. 11.🎯 Is this a user need or a feature: a search bar? (a) a feature (b) a user need
12. 12.True or false: you write the store text at the release stage. (a) True (b) False
13. 13.💡 Does an app idea like a medicine reminder solve a real problem? (a) No (b) Yes
14. 14.True or false: a sleep tracker is a game. (a) False (b) True
15. 15.Which of these is an input? (a) the game-over page (b) the home page of an app (c) a switch for dark mode (d) the settings page
16. 16.True or false: a bus tracker is the best fit for a teen whose money runs out by Friday. (a) True (b) False
17. 17.🔢 After an app is released, which comes LAST? (a) fix and improve (b) read user reviews (c) test it again (d) release an update
18. 18.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 44; // typed by the user
    line 2: let friends = 2; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 3 (b) line 2 (c) line 1 (d) line 4
19. 19.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) input (b) output (c) processing
20. 20.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
21. 21.Which of these is true of a website? (a) is installed on a phone (b) updates from the store (c) has a home-screen icon (d) opens from a link
22. 22.Which of these is true of an app? (a) needs no installing (b) opens in a web browser (c) updates from the store (d) opens from a link
23. 23.🧩 In an app, what is tap to Send? (a) data (b) a screen (c) an input (d) a button
24. 24.👥 A cricket club app has 65 players, 125 coaches and 285 fans as users. Which user group is the biggest? (a) fans (b) coaches (c) players
25. 25.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 25; // typed by the user
    line 2: let qty = 6; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 2 (b) line 3 (c) line 4 (d) line 1
26. 26.👥 A school app has 25 students, 60 teachers and 210 parents as users. How many users does it have in all?
27. 27.📴 Which of these can often still work with no internet? (a) a video call (b) an online search (c) a new website (d) an installed app
28. 28.Which of these is true of a website? (a) updates from the store (b) has a web address (c) is installed on a phone (d) comes from an app store
29. 29.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [button] Help
    [button] Done
    [text box] City
    [text box] Due date
    [text box] Email
    [slider] Text size
30. 30.🔍 Which is the odd one out? (a) a beep sound (b) a pop-up message (c) a result on screen (d) taking a photo
31. 31.Which of these is an input? (a) working out a tip (b) typing your age (c) a beep sound (d) a pop-up message
32. 32.⚙️ What number does this app show?
    let km = 8; // typed by the user
    let metres = km * 1000;
    show(metres);
33. 33.Which of these is a screen? (a) today’s step count (b) your high score (c) tap to Send (d) the log-in page
34. 34.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) pick a theme colour (b) see tasks by day (c) add a homework task (d) set a due date
35. 35.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) water animations (b) custom alert sounds (c) set a reminder time (d) share your streak
36. 36.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
37. 37.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [text box] Age
    [button] Cancel
    [button] Back
    [text box] Phone
    [text box] Due date
    [slider] Volume
    [button] Save
38. 38.🧩 In an app, what is a switch for dark mode? (a) a button (b) a screen (c) an input (d) data
39. 39.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 600; // typed by the user
    line 2: let off = 30; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 1 (b) line 2 (c) line 3 (d) line 4
40. 40.Which of these is data? (a) the home page of an app (b) the game-over page (c) your high score (d) tap to go Next

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