App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 479 · 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.⚙️ What number does this app show?
   let price = 130; // typed by the user
   let off = 20; // typed by the user
   let pay = price - off;
   show(pay);
2. 2.⚙️ In an app, is checking a password an input, processing or an output? (a) input (b) processing (c) output
3. 3.⚙️ Which line does the processing (works out the answer)?
   line 1: let km = 15; // typed by the user
   line 2: let metres = km * 1000;
   line 3: show(metres); (a) line 2 (b) line 1 (c) line 3
4. 4.📅 An app team plans for 2 days, builds for 5 days, tests for 1 days and releases on 1 more day. How many more days does building take than testing?
5. 5.🔢 When you make an app, what comes right after “plan the screens”? (a) release it (b) build the app (c) test the app (d) get an idea
6. 6.🗒️ Version 1 of a bus tracker must be ready in 10 days. How many days are left for extras after the must-haves?
   see where the bus is: 3 days
   show arrival time: 2 days
   pick your bus stop: 3 days
7. 7.Which of these is a button? (a) the log-in page (b) your saved notes (c) the game-over page (d) tap to go Next
8. 8.🔢 After an app is released, which comes first: “release an update” or “fix and improve”? (a) fix and improve (b) release an update
9. 9.📊 Survey: which problem bugs you most? How many more votes did “losing water bottles” get than “missing the bus”?
   missing the bus: 5 votes
   losing water bottles: 8 votes
   forgetting birthdays: 17 votes
10. 10.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) processing (b) output (c) input
11. 11.🎯 Which app would help this user most: a student who often misses the school bus? (a) a pocket-money tracker (b) a homework planner (c) a recipe finder (d) a bus tracker
12. 12.True or false: you sketch the screens at the idea stage. (a) True (b) False
13. 13.Which of these app ideas solves a real problem? (a) a button with no action (b) a blank grey screen (c) an app that just says hi (d) a bill splitter
14. 14.📱 Which one is installed on a phone: an app or a website? (a) an app (b) a website
15. 15.🛠️ At which stage do you write down the bugs? (a) the build stage (b) the release stage (c) the test stage (d) the idea stage
16. 16.🗂️ What kind of app is a spelling coach? (a) a health app (b) a tool app (c) a game (d) a learning app
17. 17.📅 An app team plans for 2 days, builds for 10 days, tests for 1 days and releases on 1 more day. How many days does the whole project take?
18. 18.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [slider] Brightness
    [button] Save
    [text box] Age
    [text box] Due date
    [button] Next
    [button] Help
    [text box] City
19. 19.🧩 In an app, what is tap to go Next? (a) data (b) an input (c) a button (d) a screen
20. 20.True or false: a bill splitter solves a real problem. (a) False (b) True
21. 21.🔢 When you make an app, which comes first: “get an idea” or “plan the screens”? (a) plan the screens (b) get an idea
22. 22.📱 The word “app” is short for ___. (a) appetite (b) apparatus (c) appointment (d) application
23. 23.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) pick a theme colour (b) set a due date (c) add a homework task (d) see tasks by day
24. 24.🗒️ Version 1 of a pocket-money tracker must be ready in 10 days. How many days are left for extras after the must-haves?
    add money received: 1 days
    add money spent: 2 days
    show the balance: 3 days
25. 25.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [button] Start
    [switch] Dark mode
    [button] Back
    [button] Save
    [text box] Name
26. 26.🧩 Which input is best for typing your name? (a) a text box (b) a switch (c) a picture (d) a slider
27. 27.🗂️ What kind of app is an alarm clock? (a) a game (b) a tool app (c) a health app (d) a learning app
28. 28.🔍 Which is the odd one out? (a) taking a photo (b) tapping a button (c) a beep sound (d) speaking a command
29. 29.🌐 Which program do you need to open a website? (a) an app store (b) a web browser (c) a calculator (d) a camera app
30. 30.💡 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
31. 31.💡 Does an app idea like a page of random dots solve a real problem? (a) Yes (b) No
32. 32.🗒️ What is a must-have feature? (a) a colour theme (b) a nice extra (c) a sound effect (d) one the app cannot skip
33. 33.🗒️ You are planning version 1 of a water reminder. Which feature is a MUST-HAVE? (a) see today’s total (b) share your streak (c) water animations (d) custom alert sounds
34. 34.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    wasting pocket money: 5 votes
    forgetting homework: 15 votes
    forgetting birthdays: 7 votes (a) forgetting birthdays (b) wasting pocket money (c) forgetting homework
35. 35.🧩 What do we call one full page of an app? (a) a cable (b) a battery (c) a variable (d) a screen
36. 36.💡 Which app idea solves this problem: bottles go missing at school? (a) a homework planner (b) a lost-and-found board (c) a bill splitter (d) a study-room finder
37. 37.Which of these app ideas solves no real problem? (a) a bill splitter (b) an app that just says hi (c) a library due-date alert (d) a lost-and-found board
38. 38.🔍 Which is the odd one out? (a) write down the bugs (b) write the store text (c) let friends try it (d) try every button
39. 39.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
40. 40.Which of these happens at the build stage? (a) draw the user flow (b) write the code (c) write the store text (d) let friends try it

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