App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 954 · 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.📊 Survey: which problem bugs you most? How many students voted in all?
   forgetting homework: 12 votes
   missing the bus: 15 votes
   wasting pocket money: 16 votes
2. 2.🔢 When you make an app, which comes first: “get an idea” or “release it”? (a) get an idea (b) release it
3. 3.🗒️ Version 1 of a quiz app must be ready in 11 days. How many days are left for extras after the must-haves?
   show a question: 3 days
   check the answer: 4 days
   show the score: 4 days
4. 4.💡 Which is a problem statement? (a) “Use blue buttons” (b) “Kids forget homework” (c) “Make it fast” (d) “Add a logo”
5. 5.🎯 What is the best first step to learn what users need? (a) ask and watch users (b) write the code (c) guess on your own (d) pick the colours
6. 6.📱 Which one has a home-screen icon: an app or a website? (a) a website (b) an app
7. 7.🔍 Which is the odd one out? (a) talk to possible users (b) spot a problem to solve (c) list what users need (d) let friends try it
8. 8.True or false: a website comes from an app store. (a) True (b) False
9. 9.⚙️ What number does this app show?
   let km = 10; // typed by the user
   let metres = km * 1000;
   show(metres);
10. 10.📱 Which one opens from a link: an app or a website? (a) a website (b) an app
11. 11.🗂️ What kind of app is a racing challenge? (a) a game (b) a health app (c) a learning app (d) a tool app
12. 12.🗒️ Version 1 of a homework planner must be ready in 10 days. How many days are left for extras after the must-haves?
    add a homework task: 2 days
    set a due date: 1 days
    see tasks by day: 4 days
13. 13.💡 Which app idea solves this problem: pupils forget due dates? (a) a homework planner (b) a medicine reminder (c) a study-room finder (d) a bill splitter
14. 14.🔢 When you make an app, which comes first: “plan the screens” or “build the app”? (a) build the app (b) plan the screens
15. 15.🔔 What is a message an app shows on your lock screen called? (a) a variable (b) a wireframe (c) a notification (d) a web address
16. 16.🛠️ At which stage do you pick the features? (a) the build stage (b) the plan stage (c) the idea stage (d) the release stage
17. 17.👥 A library app has 100 readers, 75 librarians and 240 volunteers as users. Which user group is the biggest? (a) librarians (b) readers (c) volunteers
18. 18.👥 A library app has 85 readers, 165 librarians and 65 volunteers as users. Which user group is the biggest? (a) volunteers (b) readers (c) librarians
19. 19.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 184; // typed by the user
    line 2: let friends = 4; // typed by the user
    line 3: let share = bill / friends;
    line 4: show(share); (a) line 1 (b) line 2 (c) line 3 (d) line 4
20. 20.🎯 Why learn about users before you build? (a) to pick a logo (b) to make it longer (c) to build what they need (d) to slow it down
21. 21.📅 An app team plans for 5 days, builds for 11 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
22. 22.Which of these is a feature? (a) “I forget my homework” (b) “What should I cook?” (c) a share button (d) “I keep missing the bus”
23. 23.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 14 votes
    forgetting homework: 23 votes
    losing water bottles: 15 votes (a) missing the bus (b) losing water bottles (c) forgetting homework
24. 24.True or false: the settings page is an input. (a) False (b) True
25. 25.🔢 After an app is released, what comes right after “test it again”? (a) read user reviews (b) release an update (c) fix and improve (d) list what to fix
26. 26.True or false: a beep sound is processing. (a) False (b) True
27. 27.👥 A school app has 80 students, 190 teachers and 290 parents as users. How many more parents than students are there?
28. 28.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) see tasks by day (b) set a due date (c) add a homework task (d) pick a theme colour
29. 29.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [text box] Due date
    [slider] Brightness
    [text box] Phone
    [text box] Email
    [button] Save
30. 30.True or false: a times-table quiz is a learning app. (a) False (b) True
31. 31.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting homework: 6 votes
    no quiet study place: 23 votes
    losing water bottles: 17 votes
32. 32.⚙️ What number does this app show?
    let price = 15; // typed by the user
    let qty = 5; // typed by the user
    let total = price * qty;
    show(total);
33. 33.True or false: tapping a button is processing. (a) True (b) False
34. 34.👥 A library app has 35 readers, 275 librarians and 30 volunteers as users. How many users does it have in all?
35. 35.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 60; // typed by the user
    line 2: let qty = 4; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 2 (b) line 4 (c) line 1 (d) line 3
36. 36.🗒️ When should nice-to-have features be built? (a) never (b) on day one (c) after the must-haves (d) before anything
37. 37.Which of these is true of an app? (a) opens in a web browser (b) needs no installing (c) has a web address (d) is installed on a phone
38. 38.📊 Survey: which problem bugs you most? How many more votes did “forgetting birthdays” get than “losing water bottles”?
    losing water bottles: 17 votes
    forgetting homework: 13 votes
    forgetting birthdays: 23 votes
39. 39.True or false: you write the code at the test stage. (a) True (b) False
40. 40.🌐 Which program do you need to open a website? (a) a camera app (b) a calculator (c) a web browser (d) an app store

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