App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 673 · 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 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 2 (b) line 3 (c) line 1
2. 2.Which of these is true of an app? (a) needs no installing (b) opens from a link (c) opens in a web browser (d) has a home-screen icon
3. 3.🧩 In an app, what is a date picker? (a) data (b) a button (c) a screen (d) an input
4. 4.True or false: tap to go Next is a button. (a) False (b) True
5. 5.📲 What happens when you tap an app’s icon? (a) the app opens (b) the app is deleted (c) the phone charges (d) the sound turns off
6. 6.👥 A clinic app has 45 patients, 115 doctors and 295 nurses as users. How many more nurses than doctors are there?
7. 7.🔢 When you make an app, what comes right after “get an idea”? (a) release it (b) plan the screens (c) test the app (d) build the app
8. 8.⚙️ In an app, is a buzz (vibration) an input, processing or an output? (a) processing (b) output (c) input
9. 9.⚙️ Which line does the processing (works out the answer)?
   line 1: let bill = 140; // typed by the user
   line 2: let friends = 2; // typed by the user
   line 3: let share = bill / friends;
   line 4: show(share); (a) line 3 (b) line 1 (c) line 2 (d) line 4
10. 10.True or false: your friends list is data. (a) False (b) True
11. 11.🗂️ What kind of app is an alarm clock? (a) a health app (b) a game (c) a tool app (d) a learning app
12. 12.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “no quiet study place”?
    no quiet study place: 5 votes
    wasting pocket money: 9 votes
    forgetting homework: 23 votes
13. 13.🎯 Which app would help this user most: a teen whose money runs out by Friday? (a) a bus tracker (b) a pocket-money tracker (c) a big-text reader (d) a recipe finder
14. 14.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) confetti effects (c) background music (d) show the score
15. 15.Which of these is a button? (a) your high score (b) tap to Send (c) a slider for volume (d) the settings page
16. 16.🔢 After an app is released, what comes right after “fix and improve”? (a) list what to fix (b) test it again (c) read user reviews (d) release an update
17. 17.🗒️ You are planning version 1 of a homework planner. Which feature can WAIT for a later version? (a) set a due date (b) add a homework task (c) share tasks to friends (d) see tasks by day
18. 18.True or false: a torch is a tool app. (a) True (b) False
19. 19.🎯 A short made-up profile of a typical user is called a ___. (a) pixel (b) password (c) protocol (d) persona
20. 20.🗒️ A to-do app with no “add a task” feature is ___. (a) missing a must-have (b) ready to release (c) well planned (d) a nice extra
21. 21.📱 Which one has a web address: an app or a website? (a) a website (b) an app
22. 22.🛠️ At which stage do you sketch the screens? (a) the idea stage (b) the build stage (c) the plan stage (d) the release stage
23. 23.Which of these is a screen? (a) the home page of an app (b) tap to go Next (c) your saved notes (d) a box to type a name
24. 24.📴 Which of these can often still work with no internet? (a) an installed app (b) a video call (c) a new website (d) an online search
25. 25.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 210; // 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 2 (b) line 1 (c) line 4 (d) line 3
26. 26.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 21 votes
    wasting pocket money: 10 votes
    no quiet study place: 15 votes (a) no quiet study place (b) missing the bus (c) wasting pocket money
27. 27.True or false: you write the store text at the test stage. (a) True (b) False
28. 28.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) pie-chart colours (b) show the balance (c) add money received (d) add money spent
29. 29.🗒️ You are planning version 1 of a quiz app. Which feature can WAIT for a later version? (a) show a question (b) show the score (c) check the answer (d) background music
30. 30.True or false: a puzzle with levels is a tool app. (a) False (b) True
31. 31.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    no quiet study place: 23 votes
    forgetting homework: 7 votes
    missing the bus: 20 votes (a) forgetting homework (b) missing the bus (c) no quiet study place
32. 32.💡 Which app idea solves this problem: a team shares one snack bill? (a) a bill splitter (b) a medicine reminder (c) a lost-and-found board (d) a homework planner
33. 33.👥 A clinic app has 30 patients, 155 doctors and 130 nurses as users. Which user group is the biggest? (a) nurses (b) doctors (c) patients
34. 34.🗒️ In MVP, the M stands for ___. (a) maximum (b) mobile (c) minimum (d) music
35. 35.🎯 Which app would help this user most: a runner who forgets to sip water? (a) a recipe finder (b) a pocket-money tracker (c) a bus tracker (d) a water reminder
36. 36.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 24 votes
    no quiet study place: 18 votes
    forgetting homework: 19 votes (a) missing the bus (b) forgetting homework (c) no quiet study place
37. 37.True or false: a water reminder is the best fit for a student who often misses the school bus. (a) False (b) True
38. 38.📱 Which one is installed on a phone: an app or a website? (a) an app (b) a website
39. 39.🗒️ You are planning version 1 of a bus tracker. Which feature is a MUST-HAVE? (a) rate the driver (b) show arrival time (c) change the bus icon (d) a dark mode
40. 40.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Order Snacks
    [switch] Remind me
    [slider] Text size
    [text box] Age
    [button] Back
    [text box] Name
    [text box] Due date

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