App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 201 · 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 of these is processing? (a) tapping a button (b) working out a tip (c) a pop-up message (d) a beep sound
2. 2.🎯 Is this a user need or a feature: a dark mode switch? (a) a user need (b) a feature
3. 3.⚙️ What number does this app show?
   let km = 12; // typed by the user
   let metres = km * 1000;
   show(metres);
4. 4.Which of these app ideas solves a real problem? (a) a button with no action (b) a blank grey screen (c) a medicine reminder (d) a page of random dots
5. 5.True or false: a bus tracker is the best fit for a parent waiting at the bus stop. (a) False (b) True
6. 6.True or false: the game-over page is a screen. (a) False (b) True
7. 7.True or false: a water reminder is a health app. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) spot a problem to solve (b) let friends try it (c) try every button (d) write down the bugs
9. 9.📱 Which one has a web address: an app or a website? (a) an app (b) a website
10. 10.True or false: an app has a home-screen icon. (a) False (b) True
11. 11.⚙️ In an app, is checking a password an input, processing or an output? (a) input (b) processing (c) output
12. 12.True or false: you draw the user flow at the plan stage. (a) False (b) True
13. 13.🎯 Is this a user need or a feature: a share button? (a) a feature (b) a user need
14. 14.📱 Where do people usually download phone apps from? (a) a printer (b) an app store (c) a web server (d) a charger
15. 15.Which of these app ideas solves no real problem? (a) a blank grey screen (b) a library due-date alert (c) a lost-and-found board (d) a medicine reminder
16. 16.True or false: sorting the scores is processing. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) tapping a button (b) typing your age (c) a pop-up message (d) speaking a command
18. 18.True or false: you share the download link at the plan stage. (a) True (b) False
19. 19.🗒️ Version 1 of a bus tracker must be ready in 9 days. How many days are left for extras after the must-haves?
    see where the bus is: 3 days
    show arrival time: 3 days
    pick your bus stop: 3 days
20. 20.Which of these is true of a website? (a) comes from an app store (b) opens in a web browser (c) updates from the store (d) has a home-screen icon
21. 21.🔍 Which is the odd one out? (a) a pop-up message (b) speaking a command (c) a beep sound (d) a result on screen
22. 22.🧩 What does a button do when you tap it? (a) shows the time (b) changes the phone (c) saves the battery (d) starts an action
23. 23.True or false: you try every button at the test stage. (a) False (b) True
24. 24.📱 Which one needs no installing: an app or a website? (a) an app (b) a website
25. 25.🔍 Which is the odd one out? (a) a unit converter (b) a calculator (c) a torch (d) a spelling coach
26. 26.🗒️ You are planning version 1 of a quiz app. Which feature is a MUST-HAVE? (a) background music (b) an avatar shop (c) show a question (d) confetti effects
27. 27.📊 Survey: which problem bugs you most? How many more votes did “wasting pocket money” get than “forgetting birthdays”?
    forgetting birthdays: 6 votes
    wasting pocket money: 11 votes
    forgetting homework: 12 votes
28. 28.🧩 Which input is best for choosing a volume level? (a) a switch (b) a title (c) a slider (d) a text box
29. 29.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Edit Profile
    [switch] Dark mode
    [button] Save
    [text box] Due date
    [button] Done
    [button] Cancel
30. 30.⚙️ In an app, is taking a photo an input, processing or an output? (a) processing (b) output (c) input
31. 31.⚙️ Which line does the processing (works out the answer)?
    line 1: let km = 2; // typed by the user
    line 2: let metres = km * 1000;
    line 3: show(metres); (a) line 1 (b) line 2 (c) line 3
32. 32.Which of these happens at the plan stage? (a) sketch the screens (b) put it on an app store (c) let friends try it (d) write the code
33. 33.📊 Survey: which problem bugs you most? How many students voted in all?
    forgetting birthdays: 15 votes
    missing the bus: 19 votes
    forgetting homework: 7 votes
34. 34.🧩 How many inputs (text boxes, switches and sliders) does this screen have?
    [title] Add Homework
    [button] Save
    [text box] City
    [switch] Remind me
    [slider] Volume
    [button] Send
35. 35.Which of these is an input? (a) a switch for dark mode (b) your saved notes (c) your high score (d) tap to go Next
36. 36.Which of these is an output? (a) typing your age (b) adding up a bill (c) a buzz (vibration) (d) checking a password
37. 37.Which of these app ideas solves a real problem? (a) a blank grey screen (b) a page of random dots (c) a button with no action (d) a free study-room finder
38. 38.🧩 What do we call one full page of an app? (a) a battery (b) a variable (c) a screen (d) a cable
39. 39.🧩 How many buttons does this app screen have?
    [title] Order Snacks
    [text box] Notes
    [switch] Dark mode
    [button] Cancel
    [button] Next
    [text box] Email
    [slider] Volume
40. 40.🗒️ 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) see where the bus is (d) rate the driver

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