App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 695 · 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.💡 Does an app idea like a free study-room finder solve a real problem? (a) Yes (b) No
2. 2.📊 Survey: which problem bugs you most? Which problem should your app solve first?
   forgetting homework: 3 votes
   wasting pocket money: 4 votes
   no quiet study place: 7 votes (a) forgetting homework (b) no quiet study place (c) wasting pocket money
3. 3.True or false: a slider for volume is an input. (a) True (b) False
4. 4.👥 A school app has 295 students, 55 teachers and 275 parents as users. How many users does it have in all?
5. 5.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
6. 6.🧩 How many buttons does this app screen have?
   [title] New Note
   [button] Save
   [button] Send
   [slider] Volume
   [text box] City
   [button] Next
7. 7.Which of these app ideas solves a real problem? (a) a medicine reminder (b) a page of random dots (c) a button with no action (d) an app that just says hi
8. 8.🧑 Who is an app really made for? (a) its charger (b) its coder only (c) its icon (d) its users
9. 9.🧩 Which of these is a button on this screen?
   [title] New Note
   [button] Done
   [text box] City
   [switch] Remind me
   [button] Start
   [slider] Brightness (a) Brightness (b) Remind me (c) City (d) Done
10. 10.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) change the bus icon (b) a dark mode (c) rate the driver (d) show arrival time
11. 11.📅 An app team plans for 2 days, builds for 5 days, tests for 2 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
12. 12.💡 Which app idea solves this problem: nobody knows whose bag it is? (a) a bill splitter (b) a medicine reminder (c) a lost-and-found board (d) a study-room finder
13. 13.👥 A cricket club app has 205 players, 250 coaches and 275 fans as users. How many more coaches than players are there?
14. 14.👥 A clinic app has 235 patients, 205 doctors and 245 nurses as users. How many users does it have in all?
15. 15.👥 A school app has 265 students, 115 teachers and 160 parents as users. How many users does it have in all?
16. 16.🛠️ At which stage do you write the code? (a) the test stage (b) the build stage (c) the idea stage (d) the release stage
17. 17.💡 Does an app idea like a lost-and-found board solve a real problem? (a) No (b) Yes
18. 18.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [button] Next
    [text box] City
    [button] Start
    [button] Back
19. 19.💡 After a survey, which need should version 1 solve? (a) the rarest need (b) the newest trend (c) a random need (d) the most common need
20. 20.📊 Survey: which problem bugs you most? How many students voted in all?
    no quiet study place: 5 votes
    forgetting birthdays: 13 votes
    forgetting homework: 6 votes
21. 21.🗒️ Version 1 of a bus tracker must be ready in 13 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: 5 days
22. 22.🗒️ The first small, working version of an app is often called an ___. (a) MVP (b) URL (c) CPU (d) FAQ
23. 23.True or false: a homework planner is the best fit for a cook with no idea for dinner. (a) True (b) False
24. 24.Which of these is a user need? (a) a reminder alarm (b) a dark mode switch (c) “I forget my homework” (d) a search bar
25. 25.True or false: sorting the scores is an output. (a) False (b) True
26. 26.⚙️ What number does this app show?
    let price = 15; // typed by the user
    let qty = 2; // typed by the user
    let total = price * qty;
    show(total);
27. 27.📅 An app team plans for 2 days, builds for 12 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
28. 28.👥 A clinic app has 65 patients, 300 doctors and 35 nurses as users. How many users does it have in all?
29. 29.📅 An app team plans for 3 days, builds for 4 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
30. 30.🧩 Which of these is a button on this screen?
    [title] Settings
    [text box] Email
    [button] Save
    [text box] Due date
    [text box] Phone
    [button] Cancel (a) Due date (b) Email (c) Cancel (d) Phone
31. 31.Which of these is a feature? (a) “I forget my homework” (b) “Small text is hard” (c) a dark mode switch (d) “I keep missing the bus”
32. 32.🔍 Which is the odd one out? (a) connect the data (b) sketch the screens (c) write the code (d) add the buttons
33. 33.⚙️ 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 3 (b) line 4 (c) line 1 (d) line 2
34. 34.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 80; // 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 2 (b) line 3 (c) line 4 (d) line 1
35. 35.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) share your streak (b) log a glass of water (c) set a reminder time (d) see today’s total
36. 36.🧩 What do we call one full page of an app? (a) a battery (b) a variable (c) a cable (d) a screen
37. 37.📅 An app team plans for 2 days, builds for 6 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
38. 38.🛠️ At which stage do you connect the data? (a) the plan stage (b) the test stage (c) the release stage (d) the build stage
39. 39.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Sign Up
    [switch] Remind me
    [slider] Volume
    [text box] Email
    [button] Next
    [button] Save
40. 40.📊 Survey: which problem bugs you most? How many more votes did “missing the bus” get than “wasting pocket money”?
    forgetting birthdays: 4 votes
    missing the bus: 12 votes
    wasting pocket money: 5 votes

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