App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 295 · 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 input is best for turning something ON or OFF? (a) a switch (b) a title (c) a text box (d) a slider
2. 2.⚙️ In an app, is a beep sound an input, processing or an output? (a) input (b) processing (c) output
3. 3.🔢 When you make an app, which comes LAST? (a) build the app (b) release it (c) test the app (d) get an idea
4. 4.Which of these is true of a website? (a) is installed on a phone (b) comes from an app store (c) has a home-screen icon (d) needs no installing
5. 5.🎯 Which app would help this user most: a teen whose money runs out by Friday? (a) a big-text reader (b) a bus tracker (c) a pocket-money tracker (d) a recipe finder
6. 6.True or false: a website is installed on a phone. (a) True (b) False
7. 7.📅 An app team plans for 2 days, builds for 10 days, tests for 1 days and releases on 1 more day. Planning starts on day 1. On which day does building finish?
8. 8.🎯 Is this a user need or a feature: a dark mode switch? (a) a feature (b) a user need
9. 9.💡 After a survey, which need should version 1 solve? (a) a random need (b) the most common need (c) the rarest need (d) the newest trend
10. 10.True or false: a water reminder is the best fit for a teen whose money runs out by Friday. (a) True (b) False
11. 11.Which of these is a button? (a) tap to Start (b) your high score (c) the home page of an app (d) your friends list
12. 12.🎯 Which app would help this user most: a reader who finds small print hard? (a) a homework planner (b) a recipe finder (c) a water reminder (d) a big-text reader
13. 13.⚙️ Which line does the processing (works out the answer)?
    line 1: let bill = 52; // 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 4 (c) line 2 (d) line 1
14. 14.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    missing the bus: 13 votes
    losing water bottles: 11 votes
    wasting pocket money: 5 votes (a) losing water bottles (b) wasting pocket money (c) missing the bus
15. 15.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] New Note
    [switch] Remind me
    [text box] Notes
    [text box] Due date
    [button] Next
    [text box] Email
16. 16.True or false: a pocket-money tracker is the best fit for a teen whose money runs out by Friday. (a) True (b) False
17. 17.🧩 How many buttons does this app screen have?
    [title] Edit Profile
    [button] Done
    [text box] Email
18. 18.💡 Does an app idea like a blank grey screen solve a real problem? (a) Yes (b) No
19. 19.True or false: a lost-and-found board solves a real problem. (a) True (b) False
20. 20.👥 A library app has 215 readers, 40 librarians and 270 volunteers as users. How many more volunteers than librarians are there?
21. 21.🎯 Who are the users of an app? (a) only the testers (b) only the coders (c) the app icons (d) the people who use it
22. 22.🔍 Which is the odd one out? (a) a unit converter (b) a calculator (c) a racing challenge (d) an alarm clock
23. 23.🗒️ You are planning version 1 of a pocket-money tracker. Which feature can WAIT for a later version? (a) add money received (b) add money spent (c) export to a file (d) show the balance
24. 24.🧩 In an app, what is the settings page? (a) an input (b) a button (c) data (d) a screen
25. 25.📊 Survey: which problem bugs you most? Which problem should your app solve first?
    forgetting birthdays: 18 votes
    losing water bottles: 20 votes
    wasting pocket money: 6 votes (a) losing water bottles (b) forgetting birthdays (c) wasting pocket money
26. 26.🔍 Which is the odd one out? (a) typing your age (b) adding up a bill (c) speaking a command (d) taking a photo
27. 27.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) add money received (b) export to a file (c) pie-chart colours (d) savings stickers
28. 28.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Settings
    [text box] Notes
    [switch] Show hints
    [text box] Due date
    [text box] Email
    [button] Back
29. 29.🗒️ Version 1 of a quiz app must be ready in 9 days. How many days are left for extras after the must-haves?
    show a question: 1 days
    check the answer: 3 days
    show the score: 4 days
30. 30.🎯 Which app would help this user most: a cook with no idea for dinner? (a) a recipe finder (b) a homework planner (c) a big-text reader (d) a water reminder
31. 31.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) an avatar shop (b) confetti effects (c) show the score (d) background music
32. 32.🎯 Is this a user need or a feature: a share button? (a) a feature (b) a user need
33. 33.👥 A cricket club app has 210 players, 75 coaches and 250 fans as users. How many more fans than players are there?
34. 34.⚙️ In an app, is typing your age an input, processing or an output? (a) input (b) output (c) processing
35. 35.📱 Which one opens in a web browser: an app or a website? (a) an app (b) a website
36. 36.🔢 When you make an app, which comes FIRST? (a) get an idea (b) release it (c) test the app (d) build the app
37. 37.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) see where the bus is (b) a dark mode (c) show arrival time (d) pick your bus stop
38. 38.True or false: tapping a button is an output. (a) True (b) False
39. 39.💡 How can you check that people really have the problem? (a) copy another app (b) pick a colour (c) just guess (d) ask possible users
40. 40.⚙️ Which line does the processing (works out the answer)?
    line 1: let price = 15; // typed by the user
    line 2: let qty = 5; // typed by the user
    line 3: let total = price * qty;
    line 4: show(total); (a) line 1 (b) line 3 (c) line 4 (d) line 2

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