App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 999 · 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.Which of these is data? (a) your saved notes (b) a box to type a name (c) the settings page (d) the game-over page
2. 2.🛠️ At which stage do you write the code? (a) the build stage (b) the plan stage (c) the idea stage (d) the test stage
3. 3.True or false: a box to type a name is an input. (a) False (b) True
4. 4.🗒️ A to-do app with no “add a task” feature is ___. (a) a nice extra (b) well planned (c) missing a must-have (d) ready to release
5. 5.🗒️ Why keep version 1 small? (a) to use up storage (b) to look bigger (c) to learn from users soon (d) to confuse users
6. 6.Which of these is true of a website? (a) updates from the store (b) opens from a link (c) comes from an app store (d) is installed on a phone
7. 7.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
8. 8.🧩 Which input is best for turning something ON or OFF? (a) a switch (b) a slider (c) a title (d) a text box
9. 9.📊 Survey: which problem bugs you most? How many students voted in all?
   missing the bus: 9 votes
   forgetting birthdays: 17 votes
   losing water bottles: 15 votes
10. 10.💡 Which app idea solves this problem: Grandpa forgets his tablets? (a) a bill splitter (b) a homework planner (c) a lost-and-found board (d) a medicine reminder
11. 11.Which of these app ideas solves a real problem? (a) a page of random dots (b) an app that just says hi (c) a free study-room finder (d) a blank grey screen
12. 12.True or false: a website comes from an app store. (a) True (b) False
13. 13.True or false: a free study-room finder solves no real problem. (a) True (b) False
14. 14.🔢 After an app is released, what comes right after “read user reviews”? (a) list what to fix (b) release an update (c) fix and improve (d) test it again
15. 15.True or false: a racing challenge is a game. (a) True (b) False
16. 16.Which of these happens at the build stage? (a) write down the bugs (b) spot a problem to solve (c) talk to possible users (d) write the code
17. 17.📅 An app team plans for 2 days, builds for 4 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
18. 18.📱 Where do people usually download phone apps from? (a) a charger (b) a printer (c) a web server (d) an app store
19. 19.🔍 Which is the odd one out? (a) typing your age (b) tapping a button (c) working out a tip (d) speaking a command
20. 20.True or false: an app has a home-screen icon. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a cricket run chase (b) a sleep tracker (c) a step counter (d) a water reminder
22. 22.🧩 How many buttons does this app screen have?
    [title] Sign Up
    [text box] Age
    [text box] Subject
    [slider] Brightness
    [button] Cancel
    [button] Help
23. 23.🗒️ Version 1 of a pocket-money tracker must be ready in 9 days. How many days are left for extras after the must-haves?
    add money received: 2 days
    add money spent: 4 days
    show the balance: 2 days
24. 24.True or false: an app needs no installing. (a) False (b) True
25. 25.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 13; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 1 (b) line 3 (c) line 2
26. 26.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) show arrival time (b) a dark mode (c) rate the driver (d) change the bus icon
27. 27.Which of these is true of an app? (a) needs no installing (b) has a web address (c) opens from a link (d) updates from the store
28. 28.🧩 In an app, what is the game-over page? (a) an input (b) data (c) a button (d) a screen
29. 29.Which of these app ideas solves no real problem? (a) a library due-date alert (b) a button with no action (c) a medicine reminder (d) a bill splitter
30. 30.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 150; // typed by the user
    line 2: let off = 40; // typed by the user
    line 3: let pay = price - off;
    line 4: show(pay); (a) line 4 (b) line 3 (c) line 2 (d) line 1
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) add money spent (d) pie-chart colours
32. 32.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 4 votes
    forgetting homework: 23 votes
    missing the bus: 8 votes
33. 33.🌐 Which program do you need to open a website? (a) a camera app (b) a web browser (c) a calculator (d) an app store
34. 34.Which of these is an input? (a) your high score (b) today’s step count (c) the game-over page (d) a box to type a name
35. 35.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 6 votes
    forgetting homework: 20 votes
    no quiet study place: 4 votes (a) forgetting homework (b) no quiet study place (c) wasting pocket money
36. 36.📊 Survey: which problem bugs you most? How many students voted in all?
    missing the bus: 24 votes
    forgetting homework: 17 votes
    losing water bottles: 20 votes
37. 37.⚙️ What number does this app show?
    let price = 520; // typed by the user
    let off = 30; // typed by the user
    let pay = price - off;
    show(pay);
38. 38.🔢 After an app is released, what comes right after “test it again”? (a) list what to fix (b) release an update (c) fix and improve (d) read user reviews
39. 39.True or false: you spot a problem to solve at the idea stage. (a) True (b) False
40. 40.🗂️ What kind of app is a unit converter? (a) a learning app (b) a game (c) a health app (d) a tool app

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