App Dev Worksheet: Part 1 Test

App development lesson 8: What apps are: Part 1 test · Set 309 · 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.⚙️ What number does this app show?
   let bill = 57; // typed by the user
   let friends = 3; // typed by the user
   let share = bill / friends;
   show(share);
2. 2.🔍 Which is the odd one out? (a) write the code (b) try every button (c) connect the data (d) add the buttons
3. 3.🔢 When you make an app, which comes first: “get an idea” or “build the app”? (a) build the app (b) get an idea
4. 4.📅 An app team plans for 4 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?
5. 5.🎯 What is a user need? (a) a type of button (b) a phone setting (c) a colour theme (d) a problem a user has
6. 6.True or false: a bill splitter solves no real problem. (a) False (b) True
7. 7.👥 A school app has 210 students, 290 teachers and 60 parents as users. How many more teachers than students are there?
8. 8.True or false: you spot a problem to solve at the release stage. (a) True (b) False
9. 9.⚙️ Which line does the processing (works out the answer)?
   line 1: let price = 100; // typed by the user
   line 2: let off = 50; // typed by the user
   line 3: let pay = price - off;
   line 4: show(pay); (a) line 4 (b) line 3 (c) line 2 (d) line 1
10. 10.True or false: tap to Start is a screen. (a) False (b) True
11. 11.⚙️ What number does this app show?
    let bill = 285; // typed by the user
    let friends = 5; // typed by the user
    let share = bill / friends;
    show(share);
12. 12.📴 Which of these can often still work with no internet? (a) an online search (b) a video call (c) an installed app (d) a new website
13. 13.Which of these is true of a website? (a) is installed on a phone (b) opens from a link (c) comes from an app store (d) updates from the store
14. 14.Which of these is a feature? (a) “I forget my homework” (b) a share button (c) “Small text is hard” (d) “I keep missing the bus”
15. 15.🧩 Which of these is a button on this screen?
    [title] Edit Profile
    [text box] Subject
    [button] Cancel
    [slider] Text size
    [button] Next
    [switch] Remind me (a) Next (b) Remind me (c) Subject (d) Text size
16. 16.🔍 Which is the odd one out? (a) write down the bugs (b) try every button (c) list what users need (d) let friends try it
17. 17.🔍 Which is the odd one out? (a) speaking a command (b) typing your age (c) taking a photo (d) working out a tip
18. 18.🌐 Which program do you need to open a website? (a) a web browser (b) a calculator (c) an app store (d) a camera app
19. 19.🗒️ You are planning version 1 of a bus tracker. Which feature can WAIT for a later version? (a) show arrival time (b) see where the bus is (c) pick your bus stop (d) rate the driver
20. 20.⚙️ What number does this app show?
    let price = 55; // typed by the user
    let qty = 3; // typed by the user
    let total = price * qty;
    show(total);
21. 21.💡 Does an app idea like an app that just says hi solve a real problem? (a) Yes (b) No
22. 22.🔍 Which is the odd one out? (a) taking a photo (b) tapping a button (c) typing your age (d) a beep sound
23. 23.Which of these is an output? (a) taking a photo (b) a beep sound (c) sorting the scores (d) tapping a button
24. 24.👥 A cricket club app has 300 players, 225 coaches and 165 fans as users. How many more players than fans are there?
25. 25.🧩 Which of these is a button on this screen?
    [title] New Note
    [text box] Phone
    [slider] Text size
    [button] Help
    [text box] Age
    [text box] Name (a) Phone (b) Age (c) Name (d) Help
26. 26.Which of these is an input? (a) tap to Start (b) a slider for volume (c) the settings page (d) tap to go Next
27. 27.💡 Does an app idea like a free study-room finder solve a real problem? (a) No (b) Yes
28. 28.⚙️ In an app, is working out a tip an input, processing or an output? (a) input (b) output (c) processing
29. 29.Which of these is true of an app? (a) opens from a link (b) opens in a web browser (c) comes from an app store (d) has a web address
30. 30.📱 Which one comes from an app store: an app or a website? (a) a website (b) an app
31. 31.Which of these is an input? (a) checking a password (b) a beep sound (c) taking a photo (d) a buzz (vibration)
32. 32.🗂️ What kind of app is a unit converter? (a) a game (b) a tool app (c) a health app (d) a learning app
33. 33.🧩 How many buttons does this app screen have?
    [title] Settings
    [button] Send
    [button] Done
    [button] Next
    [text box] Email
    [slider] Brightness
    [text box] Phone
    [text box] Subject
34. 34.📱 The word “app” is short for ___. (a) application (b) appointment (c) apparatus (d) appetite
35. 35.True or false: a step counter is a game. (a) False (b) True
36. 36.🗒️ You are planning version 1 of a homework planner. Which feature is a MUST-HAVE? (a) share tasks to friends (b) pick a theme colour (c) add a homework task (d) earn stickers
37. 37.🧩 In an app, what is the log-in page? (a) a screen (b) an input (c) a button (d) data
38. 38.🎯 A short made-up profile of a typical user is called a ___. (a) persona (b) protocol (c) password (d) pixel
39. 39.🗒️ You are planning version 1 of a pocket-money tracker. Which feature is a MUST-HAVE? (a) pie-chart colours (b) savings stickers (c) add money received (d) export to a file
40. 40.🎯 Why learn about users before you build? (a) to slow it down (b) to make it longer (c) to build what they need (d) to pick a logo

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