App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 664 · 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 a button on this screen?
   [title] Add Homework
   [slider] Text size
   [text box] Subject
   [button] Help (a) Subject (b) Help (c) Text size
2. 2.True or false: an app that just says hi solves a real problem. (a) True (b) False
3. 3.🗒️ What is a must-have feature? (a) a nice extra (b) a colour theme (c) one the app cannot skip (d) a sound effect
4. 4.True or false: an app updates from the store. (a) False (b) True
5. 5.🎯 Which app would help this user most: a pupil juggling five projects? (a) a homework planner (b) a water reminder (c) a pocket-money tracker (d) a recipe finder
6. 6.🛠️ At which stage do you write down the bugs? (a) the build stage (b) the release stage (c) the test stage (d) the plan stage
7. 7.Which of these is true of an app? (a) has a web address (b) comes from an app store (c) opens from a link (d) opens in a web browser
8. 8.Which of these app ideas solves no real problem? (a) a lost-and-found board (b) a library due-date alert (c) a medicine reminder (d) a button with no action
9. 9.True or false: a result on screen is processing. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) tapping a button (b) working out a tip (c) checking a password (d) sorting the scores
11. 11.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) show arrival time (b) see where the bus is (c) a dark mode (d) pick your bus stop
12. 12.🧩 In an app, what is a date picker? (a) a screen (b) an input (c) data (d) a button
13. 13.🗂️ What kind of app is a unit converter? (a) a tool app (b) a learning app (c) a health app (d) a game
14. 14.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 81; // typed by the user
    line 2: let friends = 3; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 2 (b) line 1 (c) line 4 (d) line 3
15. 15.👥 A cricket club app has 60 players, 190 coaches and 280 fans as users. Which user group is the biggest? (a) coaches (b) players (c) fans
16. 16.🔢 When you make an app, what comes right after “test the app”? (a) build the app (b) get an idea (c) plan the screens (d) release it
17. 17.Which of these happens at the build stage? (a) try every button (b) write the store text (c) write the code (d) share the download link
18. 18.🗒️ Version 1 of a bus tracker must be ready in 6 days. How many days are left for extras after the must-haves?
    see where the bus is: 2 days
    show arrival time: 1 days
    pick your bus stop: 2 days
19. 19.🧩 Which input is best for choosing a volume level? (a) a slider (b) a switch (c) a title (d) a text box
20. 20.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 3 votes
    losing water bottles: 7 votes
    wasting pocket money: 16 votes (a) losing water bottles (b) forgetting birthdays (c) wasting pocket money
21. 21.💡 An app that tries to do everything at once is usually ___. (a) finished fast (b) very small (c) easy to build (d) hard to use
22. 22.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 45; // typed by the user
    line 2: let qty = 2; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 3 (b) line 4 (c) line 1 (d) line 2
23. 23.Which of these is processing? (a) taking a photo (b) a pop-up message (c) adding up a bill (d) tapping a button
24. 24.📊 Survey: which problem bugs you most? How many students voted in all?
    losing water bottles: 24 votes
    missing the bus: 18 votes
    forgetting birthdays: 19 votes
25. 25.Which of these is true of an app? (a) updates from the store (b) opens from a link (c) needs no installing (d) has a web address
26. 26.📅 An app team plans for 4 days, builds for 8 days, tests for 3 days and releases on 1 more day. How many more days does building take than testing?
27. 27.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) check the answer (b) show the score (c) an avatar shop (d) show a question
28. 28.True or false: an app opens from a link. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) a racing challenge (b) a spelling coach (c) a times-table quiz (d) a flashcard trainer
30. 30.True or false: today’s step count is data. (a) True (b) False
31. 31.🗒️ Version 1 of a homework planner must be ready in 12 days. How many days are left for extras after the must-haves?
    add a homework task: 1 days
    set a due date: 4 days
    see tasks by day: 2 days
32. 32.💡 After a survey, which need should version 1 solve? (a) the most common need (b) the newest trend (c) a random need (d) the rarest need
33. 33.True or false: a spelling coach is a learning app. (a) False (b) True
34. 34.Which of these happens at the idea stage? (a) spot a problem to solve (b) add the buttons (c) write down the bugs (d) let friends try it
35. 35.📱 The word “app” is short for ___. (a) appointment (b) apparatus (c) appetite (d) application
36. 36.🎯 Which app would help this user most: a student who often misses the school bus? (a) a pocket-money tracker (b) a big-text reader (c) a bus tracker (d) a homework planner
37. 37.🎯 Is this a user need or a feature: “I forget my homework”? (a) a feature (b) a user need
38. 38.🧩 Which input is best for typing your name? (a) a switch (b) a picture (c) a text box (d) a slider
39. 39.⚙️ What number does this app show?
    let price = 540; // typed by the user
    let off = 10; // typed by the user
    let pay = price - off;
    show(pay);
40. 40.Which of these is processing? (a) speaking a command (b) taking a photo (c) sorting the scores (d) a beep sound

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