App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 723 · 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 library due-date alert solve a real problem? (a) Yes (b) No
2. 2.⚙️ In an app, is adding up a bill an input, processing or an output? (a) processing (b) input (c) output
3. 3.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
   [title] Settings
   [switch] Show hints
   [text box] Name
   [text box] Notes
   [button] Next
4. 4.🔍 Which is the odd one out? (a) list what users need (b) add the buttons (c) talk to possible users (d) spot a problem to solve
5. 5.📅 An app team plans for 5 days, builds for 9 days, tests for 2 days and releases on 1 more day. How many days does the whole project take?
6. 6.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “missing the bus”?
   forgetting homework: 19 votes
   missing the bus: 14 votes
   wasting pocket money: 20 votes
7. 7.🗒️ Version 1 of a water reminder must be ready in 7 days. How many days are left for extras after the must-haves?
   set a reminder time: 1 days
   log a glass of water: 1 days
   see today’s total: 3 days
8. 8.🎯 Which app would help this user most: a child saving up for a cycle? (a) a big-text reader (b) a homework planner (c) a water reminder (d) a pocket-money tracker
9. 9.Which of these is an output? (a) speaking a command (b) tapping a button (c) typing your age (d) a beep sound
10. 10.True or false: a box to type a name is a screen. (a) True (b) False
11. 11.🗒️ Why keep version 1 small? (a) to look bigger (b) to learn from users soon (c) to confuse users (d) to use up storage
12. 12.Which of these app ideas solves no real problem? (a) a medicine reminder (b) a blank grey screen (c) a lost-and-found board (d) a bill splitter
13. 13.🔍 Which is the odd one out? (a) tapping a button (b) a beep sound (c) a pop-up message (d) a result on screen
14. 14.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [text box] Phone
    [button] Next
    [button] Cancel
    [text box] Name
15. 15.🔢 After an app is released, which comes first: “read user reviews” or “list what to fix”? (a) list what to fix (b) read user reviews
16. 16.💡 How can you check that people really have the problem? (a) pick a colour (b) copy another app (c) just guess (d) ask possible users
17. 17.🗒️ In MVP, the M stands for ___. (a) music (b) maximum (c) mobile (d) minimum
18. 18.🗒️ The first small, working version of an app is often called an ___. (a) URL (b) FAQ (c) CPU (d) MVP
19. 19.🎯 An app for “everyone” with no clear user usually ___. (a) helps nobody well (b) wins every prize (c) is easy to build (d) needs no testing
20. 20.🔍 Which is the odd one out? (a) share the download link (b) write the code (c) put it on an app store (d) write the store text
21. 21.🎯 A short made-up profile of a typical user is called a ___. (a) protocol (b) pixel (c) password (d) persona
22. 22.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 9 votes
    missing the bus: 16 votes
    no quiet study place: 24 votes
23. 23.👥 A school app has 160 students, 255 teachers and 240 parents as users. How many more teachers than parents are there?
24. 24.True or false: a unit converter is a tool app. (a) False (b) True
25. 25.⚙️ What number does this app show?
    let bill = 146; // typed by the user
    let friends = 2; // typed by the user
    let share = bill / friends;
    show(share);
26. 26.True or false: taking a photo is an input. (a) False (b) True
27. 27.True or false: working out a tip is an input. (a) True (b) False
28. 28.👥 A cricket club app has 155 players, 90 coaches and 270 fans as users. How many users does it have in all?
29. 29.True or false: today’s step count is a button. (a) False (b) True
30. 30.💡 Which app idea solves this problem: nobody knows whose bag it is? (a) a homework planner (b) a medicine reminder (c) a lost-and-found board (d) a bill splitter
31. 31.💡 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
32. 32.📱 Which one has a web address: an app or a website? (a) a website (b) an app
33. 33.True or false: a buzz (vibration) is processing. (a) False (b) True
34. 34.🗒️ Version 1 of a water reminder must be ready in 10 days. How many days are left for extras after the must-haves?
    set a reminder time: 1 days
    log a glass of water: 4 days
    see today’s total: 5 days
35. 35.🗒️ You are planning version 1 of a water reminder. Which feature can WAIT for a later version? (a) share your streak (b) see today’s total (c) set a reminder time (d) log a glass of water
36. 36.🧩 Which of these is a button on this screen?
    [title] Add Homework
    [button] Start
    [text box] Subject
    [switch] Sound
    [slider] Text size
    [button] Save
    [text box] Name
    [text box] Age (a) Age (b) Name (c) Start (d) Subject
37. 37.🧩 Which of these is a button on this screen?
    [title] New Note
    [text box] Age
    [text box] Notes
    [slider] Volume
    [button] Cancel (a) Age (b) Notes (c) Cancel (d) Volume
38. 38.📱 Where do people usually download phone apps from? (a) a charger (b) a printer (c) an app store (d) a web server
39. 39.⚙️ What number does this app show?
    let km = 9; // typed by the user
    let metres = km * 1000;
    show(metres);
40. 40.🔍 Which is the odd one out? (a) working out a tip (b) sorting the scores (c) adding up a bill (d) a pop-up message

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